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Ecotec I4 in a 3rd-Gen Camaro

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Old 03-15-2013, 07:15 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Just tuning in but reading back to beginning of this thread, glad to see you're still at it. The ecotec is a great little engine. My Dad has a 59 (I think) Austin Healey Bug Eyed Sprite that's been torn apart and in storage since the mid-70's. My brother and I occassionally ask if he'll sell to us b/c we think it would be a wicked ride with a SC'd Ecotec in it but he's not budging as of yet...
Keep the updates coming!
Old 03-15-2013, 09:44 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Ed1LE
Just tuning in but reading back to beginning of this thread, glad to see you're still at it. The ecotec is a great little engine. My Dad has a 59 (I think) Austin Healey Bug Eyed Sprite that's been torn apart and in storage since the mid-70's. My brother and I occassionally ask if he'll sell to us b/c we think it would be a wicked ride with a SC'd Ecotec in it but he's not budging as of yet...
Keep the updates coming!
Thanks, man, and I also think that Sprite would make an awesome home for a supercharged Ecotec. Good luck on getting your dad to sell.
Old 04-01-2013, 04:09 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Subed...

@Fallen2603

I commend you for sticking with this project and for how you've handled some of the feedback received from the community for doing it. It's understandable for somebody to wonder why you'd even want to do this but to those of us Educated in the Ecotec world, it's equally understandable as to why you would. I am doing a similar swap in a 3rd gen firebird.

What throttle body do you plan to use to be able to connect the cable or are you changing out the pedals? Also, which power steering pump assembly do you plan to use?

I originally bought a new LNF longblock with harness and ECM that I wanted to use in the car but after waiting forever for a standalone solution and/or still waiting to find a wrecked LNF car I can source, I've decided I may source a LE5 Solstice/Sky instead to get this project moving forward.
Old 04-01-2013, 04:40 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
Subed...

@Fallen2603

I commend you for sticking with this project and for how you've handled some of the feedback received from the community for doing it. It's understandable for somebody to wonder why you'd even want to do this but to those of us Educated in the Ecotec world, it's equally understandable as to why you would. I am doing a similar swap in a 3rd gen firebird.

What throttle body do you plan to use to be able to connect the cable or are you changing out the pedals? Also, which power steering pump assembly do you plan to use?

I originally bought a new LNF longblock with harness and ECM that I wanted to use in the car but after waiting forever for a standalone solution and/or still waiting to find a wrecked LNF car I can source, I've decided I may source a LE5 Solstice/Sky instead to get this project moving forward.
Thanks a bunch, man!

I'm currently planning on using an L61 throttle-body (probably a bored-out unit) attached to an LNF intake-manifold with an adapter between the throttle-body and the intake-manifold. I'm unsure on throttle-cable routing as of right now, and I may end up using a different throttle-body in the end. As for power-steering, I'll probably be using the power-steering, alternator, and their bracket off of an LHU. That'll put both the alternator and the power-steering on the driver's side of the engine, and should clear the K-member.

The LNF is a great engine, but the huge fuel-pump provision on the back of the cylinder-head will require you to cut and relieve the firewall or mount the engine further forward in the engine-bay. If I were to start this project from the beginning, I'd start with an LE5 and AR5 transmission out of a Solstice/Sky. That would require a drive-by-wire throttle pedal, or an LE5 ECU tuned for no drive-by-wire input. They are available, but are pricey. You'd need to fabricate a custom cross-member, but it would probably still be a good bit cheaper than the route I've gone.

Feel free to PM, man. I'm more than willing to offer any help I can. Cheers!
Old 04-06-2013, 04:54 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

@Fallen2603

I wanted to finish reading this thread and some at the other communities before I responded again so that I could get up to speed. I think you're an absolute stand up guy that has spent a great deal of time on this project, and I'd really like you to be the first, but I can't hold out any longer...lol..I brought my car home last weekend and it's time to begin.

I do intend to move the engine forward for my swap but I can also weld and fabricate pretty much anything I will need which will cut my costs down significantly. I like the LE5 ECU compared to that of the LSJ, you have much more control when tuning.

I don't want to jack your thread so I'll spare you the details unless you ask for them but my power goals are much higher...lol

Good luck buddy! I'm rooting for you.
Old 04-06-2013, 05:46 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
I wanted to finish reading this thread and some at the other communities before I responded again so that I could get up to speed. I think you're an absolute stand up guy that has spent a great deal of time on this project, and I'd really like you to be the first, but I can't hold out any longer...lol..I brought my car home last weekend and it's time to begin.

I do intend to move the engine forward for my swap but I can also weld and fabricate pretty much anything I will need which will cut my costs down significantly. I like the LE5 ECU compared to that of the LSJ, you have much more control when tuning.

I don't want to jack your thread so I'll spare you the details unless you ask for them but my power goals are much higher...lol

Good luck buddy! I'm rooting for you.
Thank you for the compliment, man. The feeling is mutual.

LOL! No problem. I don't mind being surpassed. C'est la vie.

I sent you a PM a few days ago. Feel free to fill me in on your project goals that way. Hell, make your own thread here, too. I don't mind sharing!

Good luck with your project, too. I'm rooting for you, as well!
Old 04-11-2013, 03:38 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

@Fallen2603

Maybe you'll be the first to do this swap after all.

I picked up the Firebird two weekends ago and finally found time to diagnose it Monday. I paid $1200 for the car with a "buy it now" on Ebay. Knowing it didn't run, I assumed it would need a new motor and trans which is why I decided to go for the Ecotec swap. The seller left some things out such as the cracked windshield but also said it needed a new door but it can be fixed. As it turned out, the starter was fried and 3 injectors were bad. I found a starter for $50 and a complete set of injectors online for $180 and the car runs great. The fuel filter, spark plugs, wires, cap&rotor, alternator, battery had already been replaced by the PO and the exhaust is fairly new too. My guess is they must of replaced just about everything except what was actually wrong with it. Anyway, now I'm thinking I may need to boost that 3.1 v6 until I blow it up and then do the swap. So you will have more time to be the first...
Old 04-11-2013, 11:10 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
@Fallen2603

Maybe you'll be the first to do this swap after all.

I picked up the Firebird two weekends ago and finally found time to diagnose it Monday. I paid $1200 for the car with a "buy it now" on Ebay. Knowing it didn't run, I assumed it would need a new motor and trans which is why I decided to go for the Ecotec swap. The seller left some things out such as the cracked windshield but also said it needed a new door but it can be fixed. As it turned out, the starter was fried and 3 injectors were bad. I found a starter for $50 and a complete set of injectors online for $180 and the car runs great. The fuel filter, spark plugs, wires, cap&rotor, alternator, battery had already been replaced by the PO and the exhaust is fairly new too. My guess is they must of replaced just about everything except what was actually wrong with it. Anyway, now I'm thinking I may need to boost that 3.1 v6 until I blow it up and then do the swap. So you will have more time to be the first...
LOL! With how slow my project is going, you may still beat me!

I got nothing against boosting a V6, though. Should provide plenty of grins before she blows. The V6 Board is a great place.

Cheers!
Old 04-26-2013, 01:42 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Wish I had time and a place to do a swap like this think it would make an awesome daily driver with plenty of power under the right foot specially with a manual behind it and a good posi rear
Old 04-26-2013, 07:38 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

I wish I had more time, too, man.

That's the plan, and thanks for the kind words!
Old 04-26-2013, 09:35 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

keep up the good work slow but still keep at it. I am just trying to finish everyone elses projects to get to mine and im just a fuel pump away from having just about everything I need
Old 04-26-2013, 03:57 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Yeah, doing the slow and steady thing, but not liking it too much. School and work aren't giving me much time, currently. That should change in a couple weeks, though, when summer break starts and my schedule loosens up.

Oh, did manage to scrounge a Tial MVS wastegate and 50mm Q blowoff valve. Slightly used at a good price.

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Old 04-27-2013, 10:23 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

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Old 04-28-2013, 10:54 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Fallen2603
Yeah, doing the slow and steady thing, but not liking it too much. School and work aren't giving me much time, currently. That should change in a couple weeks, though, when summer break starts and my schedule loosens up.
Slow and steady is ok. It gives us time to discuss it as you go. Did you mount the engine back that far because you felt it was necessary or was it for weight distribution? I look under the hood of my bird and slap myself silly when thinking about putting an Ecotec in the car instead of a V8.

The Ecotec swaps are becoming more and more popular. Vince (@Trifecta) can reprogram the LNF ECM to run standalone so I may end up using mine after all. This means no need for the BCM and that a direct injected VVT Ecotec can be a candidate for a swap too. I think it would be fun to spend a day at the track with a 550-600WHP cammed Ecotec in a third gen. The exhaust note isn't too bad with a decent turbo on there. If an LSJ Cobalt can break into the 11's on a stock motor with a ZZP turbo kit making around 400WHP or so, a 550+WHP gen 3 of the same weight and RWD is going to do much better. You own a Cobalt, you know how bad 1st gear sucks.

GM Sport Compact Performance build book... 1000HP anyone?

http://www.sixthsphere.com/storage2/...34ogo32ore.pdf

http://www.sixthsphere.com/storage2/...xs2cru3p4y.pdf
Old 04-28-2013, 12:50 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Brando5641
subbed
Welcome aboard.

Originally Posted by Boosted_Ecotec
Slow and steady is ok. It gives us time to discuss it as you go. Did you mount the engine back that far because you felt it was necessary or was it for weight distribution? I look under the hood of my bird and slap myself silly when thinking about putting an Ecotec in the car instead of a V8.

The Ecotec swaps are becoming more and more popular. Vince (@Trifecta) can reprogram the LNF ECM to run standalone so I may end up using mine after all. This means no need for the BCM and that a direct injected VVT Ecotec can be a candidate for a swap too. I think it would be fun to spend a day at the track with a 550-600WHP cammed Ecotec in a third gen. The exhaust note isn't too bad with a decent turbo on there. If an LSJ Cobalt can break into the 11's on a stock motor with a ZZP turbo kit making around 400WHP or so, a 550+WHP gen 3 of the same weight and RWD is going to do much better. You own a Cobalt, you know how bad 1st gear sucks.

GM Sport Compact Performance build book... 1000HP anyone?

http://www.sixthsphere.com/storage2/...34ogo32ore.pdf

http://www.sixthsphere.com/storage2/...xs2cru3p4y.pdf
Weight distribution was one of the reasons I mounted the engine as far back as possible, without hacking up the firewall. As the engine sits now, the car might be considered front-mounted-mid-engine, technically.

It took me a while to get over the Not-A-V8-Phobia, but it passed and the my mental disorder took over.

I didn't know Vince had finally cracked the LNF ECM to run standalone. Learn something new everyday. That means virtually any Ecotec could be a viable swap candidate, then. I think the Ecotec and 3rd-Gen combination will make a fun combination, even at the piddly ~425WHP I'm planning on running. If the results are as good as I'm hoping/expecting, this swap will be more than fun. I can't even really imagine a 600WHP combination.

Yeah, the Cobalt SS/SC 1st-gear ratio really should've been more around 3.00, and not 3.38. I think that ratio would have been a lot more usable and practical, in my opinion.
Old 04-28-2013, 05:39 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

I wonder how a stock 2.2 would perform just as a daily driver? Looks like our cars have about 300 more pounds than the 2 door cobalt, but i bet that number would be closer to the same when you get the 4 cyl in the engine bay. I was kinda worried weight would be an issue and kill mileage but it looks like a stock 2.2 could push the camaro fine and still get 30mpg.
Old 04-28-2013, 06:11 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Brando5641
I wonder how a stock 2.2 would perform just as a daily driver? Looks like our cars have about 300 more pounds than the 2 door cobalt, but i bet that number would be closer to the same when you get the 4 cyl in the engine bay. I was kinda worried weight would be an issue and kill mileage but it looks like a stock 2.2 could push the camaro fine and still get 30mpg.
Going off of just the numbers, I don't think a naturally aspirated 2.2L L61 Ecotec would have any problem moving a 3rd-Gen. With the Ecotec swap, I can see the weight of the 3rd-Gen easily approaching the same weight of a Cobalt. With the right transmission, probably a Solstice/Sky box, and the right rear gear ratio, I think an Ecotec 3rd-Gen could provide a decent fuel-efficient commuter. Hell, even the Solstice and Sky are about 3,000lbs stock, and even the naturally aspirated Solstice and Sky are quick-ish.

For further consideration, the power/torque numbers from V6's that came in 3rd-Gen's range from 102-135HP and 150-165lb-ft of torque. A naturally aspirated 2.2L L61 Ecotec has power/torque numbers ranging from 140-148HP and 142-155lb-ft of torque. However, it appears the torque peak occurs about 500RPM later with the Ecotec compared with the V6's.

Last edited by Fallen2603; 04-28-2013 at 06:19 PM.
Old 05-02-2013, 09:36 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

My 91 Firechicken ratings are 140 hp @ 4400 rpm and 180 ft-lbs. @ 3600 rpm and (cty/hwy): 16/25 mpg from the automatic. You can feel the torque when you floor it in first for almost a full second but the car becomes a pig from there. I would imagine a lighter windshield, hood, and even the weight differences between the two engines should put the two cars in close proximity to one another. Surprisingly however, the LNF setup I ordered came in at 725lbs in the crate. This included a drop in ready motor with all accessories, G85 trans, ECM, axles, and the charge pipes and what not.

HPTuners has finally released VCM suite 2.2.4 and it officially supports the 09-10 LNF so I may be able to make this thing run on my own now. I know VATS gets in the way and there are a few other things that need to be disabled but this is great news for anyone with HPT.

I averaged 40mpg driving from San Diego to San Clemente in my LSJ driving 60mph in the rain on bald tires. The 2.2 with a 5-speed should be able to get that from a 3rd gen if you keep your foot out of it. I rented a 2.2 Cobalt a couple of years ago and it was surprisingly fun to drive for an automatic. Sure it wasn't my LSJ but it was impressive for what it was.
Old 05-02-2013, 09:39 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

So. Figured I'd post back here.

This Ecotec swap should come in around the 3200lb range at the highest. The engines pretty damn light.

My new Focus ST has a 250hp turbo charged 2.0L. It has NO problems making the Focus ST scoot down the track with trap speeds around the 98-101mph range. Comes in at 3130lbs. ET's suck because its a FWD car, but thats expected. 252hp @ 5500rpm, and 270lb/ft @ 2500rpm-4500rpm. Its a pleasure to drive. In fact I think the Turbo is too small, I'd accept a little lag (it has absolutely ZERO lag above 1900rpm) for more top end. Heck, cruise control can make boost at highway speeds in 6th.

And a thirdgen with that amount of weight taken off the front end should handle like God is straightening out the roads for you instead of making you turn.

I'd totally drop a modded Ecotec into a thirdgen. Would make an epic Auto-X car.
Old 05-02-2013, 09:50 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
Surprisingly however, the LNF setup I ordered came in at 725lbs in the crate. This included a drop in ready motor with all accessories, G85 trans, ECM, axles, and the charge pipes and what not.
Seriously that heavy?

Crazy. I would have thought an aluminum block/head thats half the size of a SBC would have come in much lighter than that. I'w was thinking more like the 400lbs range assembled minus trans.
Old 05-02-2013, 11:13 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
My 91 Firechicken ratings are 140 hp @ 4400 rpm and 180 ft-lbs. @ 3600 rpm and (cty/hwy): 16/25 mpg from the automatic. You can feel the torque when you floor it in first for almost a full second but the car becomes a pig from there. I would imagine a lighter windshield, hood, and even the weight differences between the two engines should put the two cars in close proximity to one another. Surprisingly however, the LNF setup I ordered came in at 725lbs in the crate. This included a drop in ready motor with all accessories, G85 trans, ECM, axles, and the charge pipes and what not.

HPTuners has finally released VCM suite 2.2.4 and it officially supports the 09-10 LNF so I may be able to make this thing run on my own now. I know VATS gets in the way and there are a few other things that need to be disabled but this is great news for anyone with HPT.

I averaged 40mpg driving from San Diego to San Clemente in my LSJ driving 60mph in the rain on bald tires. The 2.2 with a 5-speed should be able to get that from a 3rd gen if you keep your foot out of it. I rented a 2.2 Cobalt a couple of years ago and it was surprisingly fun to drive for an automatic. Sure it wasn't my LSJ but it was impressive for what it was.
How was all that 725lbs?! Was that the weight they charged you for? Or, is that what everything weighed, in the crate, on the scale? That number seems extremely high. The largest number I've seen for a naturally aspirated Ecotec motor "fully dressed" is 310lbs. Okay, add the turbo, at most 50lbs. The tranny should have weighed at most 120lbs. Axles and charge pipes should be at most 100lbs. Unless that crate weighed 150lbs, I think someone was trying to pad their bill. And that's using what I consider pessimistic numbers.

Damn, now HPTuners supports the LNF? Well, took them long enough, but I wasn't even sure they'd ever bother with it. In all honesty, I'm thinking of going with MicroSquirt ECM for this build. HPTuners with the J-body L61 ECM just doesn't seem to have enough capability to really run my combination right. We'll see...

Originally Posted by Thirdgen89GTA
So. Figured I'd post back here.

This Ecotec swap should come in around the 3200lb range at the highest. The engines pretty damn light.

My new Focus ST has a 250hp turbo charged 2.0L. It has NO problems making the Focus ST scoot down the track with trap speeds around the 98-101mph range. Comes in at 3130lbs. ET's suck because its a FWD car, but thats expected. 252hp @ 5500rpm, and 270lb/ft @ 2500rpm-4500rpm. Its a pleasure to drive. In fact I think the Turbo is too small, I'd accept a little lag (it has absolutely ZERO lag above 1900rpm) for more top end. Heck, cruise control can make boost at highway speeds in 6th.

And a thirdgen with that amount of weight taken off the front end should handle like God is straightening out the roads for you instead of making you turn.

I'd totally drop a modded Ecotec into a thirdgen. Would make an epic Auto-X car.

Seriously that heavy?

Crazy. I would have thought an aluminum block/head thats half the size of a SBC would have come in much lighter than that. I'w was thinking more like the 400lbs range assembled minus trans.
The Ford Focus ST is pretty impressive. Only things I have against it are that there isn't a two-door hatchback version, and they don't have a proper LSD. Using the brakes as a make-shift LSD just doesn't seem like a great idea to me. With any luck, Ford Racing Performance or SVT will come out with a compressor upgrade for the turbo in the Focus ST to make more power while keeping spool times low. Several companies do that for LNF Ecotec's.

Exactly my thoughts, too. I can't wait to see how this car does on Auto-X track. Should handle quite epically.
Old 05-03-2013, 10:25 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Thirdgen89GTA
Seriously that heavy?

Crazy. I would have thought an aluminum block/head thats half the size of a SBC would have come in much lighter than that. I'w was thinking more like the 400lbs range assembled minus trans.
Originally Posted by Fallen2603
How was all that 725lbs?! Was that the weight they charged you for? Or, is that what everything weighed, in the crate, on the scale? That number seems extremely high. The largest number I've seen for a naturally aspirated Ecotec motor "fully dressed" is 310lbs. Okay, add the turbo, at most 50lbs. The tranny should have weighed at most 120lbs. Axles and charge pipes should be at most 100lbs. Unless that crate weighed 150lbs, I think someone was trying to pad their bill. And that's using what I consider pessimistic numbers.
Imagine my surprise when I showed up to get it and the cost was 35% more than anticipated. I made them put the package back on the scale to verify before I paid for it and also took my Duramax to our local dump to weigh the package for myself and the numbers are correct. Keep in mind that this is pretty much everything under the hood down to the AC compressor, DP, and on a wooden crate. I couldn't believe it either.


Originally Posted by Fallen2603

Damn, now HPTuners supports the LNF? Well, took them long enough, but I wasn't even sure they'd ever bother with it. In all honesty, I'm thinking of going with MicroSquirt ECM for this build. HPTuners with the J-body L61 ECM just doesn't seem to have enough capability to really run my combination right. We'll see...
HPtuners now supports all of the 2.0T models and much more. I know what you mean about the L61 ECM but even the LSJ ECM is limited when you compare it to that of the LE5. You have much more control with the tune. I am also concerned about the longevity of the Gen 2 block for my power goals from this car. I have some information regarding the weakness of this block when you compare it to that of the Gen1 and Gen3.

A buddy of mine really wants my LNF setup for his Cobalt so I've given him a little more time to come up with the cash.

Check it out....





Old 05-03-2013, 02:38 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
Imagine my surprise when I showed up to get it and the cost was 35% more than anticipated. I made them put the package back on the scale to verify before I paid for it and also took my Duramax to our local dump to weigh the package for myself and the numbers are correct. Keep in mind that this is pretty much everything under the hood down to the AC compressor, DP, and on a wooden crate. I couldn't believe it either.
Yeah, that's pretty much everything, and that's more than I though would be in there. Still, that number seems high to me. Oh, well...

Originally Posted by Boosted_Ecotec
HPtuners now supports all of the 2.0T models and much more. I know what you mean about the L61 ECM but even the LSJ ECM is limited when you compare it to that of the LE5. You have much more control with the tune. I am also concerned about the longevity of the Gen 2 block for my power goals from this car. I have some information regarding the weakness of this block when you compare it to that of the Gen1 and Gen3.
Factory ECM re-tuning options can only take things so far. What's this information you have on the weakness of the Gen 2 block? All the information presented to me has indicated the Gen 2 is stronger than the Gen 1. Obviously, a girdled Gen I or a stock Gen 3 block would be much stronger. I'd still like that information. If I were looking to make as much power as you, I'd definitely go the route of a girdled Gen I or a stock Gen 3 block.
Old 05-03-2013, 08:39 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Fallen2603
What's this information you have on the weakness of the Gen 2 block? All the information presented to me has indicated the Gen 2 is stronger than the Gen 1.
Gen 2 blocks are prone to failure and should not be used for high HP builds. Check out the description, additional information, and other resources.

http://shop.zzperformance.com/store/...lock-Gen3.aspx

"......Gen2 block that has had a lot GM block failures. The failures were due to GM attempting to "improve" the cooling passages in the block, but all they ended up doing was removing aluminum around the coolant passages and causing cracks."
Old 05-03-2013, 09:43 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Hmmm...that whole thing has me confused, now. Up until now, all the information I've gathered has indicated that the Gen 2 blocks ('07 and later L61, LAP, LE5, and LNF) were stronger due to reinforcements in the block. I do know that Gen 2 blocks with aftermarket sleeves are a terrible idea, but this is the first that I've heard Gen 2 blocks were bad for high power builds. What do they consider a "high power build" anyways?

Also, how do you girdle a Gen 3 block? Those are the sleeveless closed-deck blocks with plasma-sprayed bores that are 2011 and later Ecotec's, I thought.

I might have to get more information from them. A lot of this is going against two plus years of information gathering...

Last edited by Fallen2603; 05-03-2013 at 10:12 PM.
Old 05-06-2013, 01:42 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Fallen2603
Hmmm...that whole thing has me confused, now. Up until now, all the information I've gathered has indicated that the Gen 2 blocks ('07 and later L61, LAP, LE5, and LNF) were stronger due to reinforcements in the block. I do know that Gen 2 blocks with aftermarket sleeves are a terrible idea, but this is the first that I've heard Gen 2 blocks were bad for high power builds. What do they consider a "high power build" anyways?

Also, how do you girdle a Gen 3 block? Those are the sleeveless closed-deck blocks with plasma-sprayed bores that are 2011 and later Ecotec's, I thought.

I might have to get more information from them. A lot of this is going against two plus years of information gathering...
I would talk to Zoomer over at ZZP. He told me they still girdle the Gen 3 block but it isn't needed for builds under 500WHP. Apparently all direct injected 2.4 engines are actually Gen 3. ZZP said not to push an LE5 block beyond 350WHP. IF you happen to have a girdled Gen 2, your power goals should be safe but you may want to ask him about that as well if it's an LE5 because the larger bore means even less material.
Old 05-06-2013, 04:10 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Fallen How good are you with wireing and computers becuase I am sure you can use a holley HP EFI but will have to wire and program all the sensors but can be done for roughly 1000 dollars with boost control wide band O2 all in one ecu.
Old 05-06-2013, 06:13 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
I would talk to Zoomer over at ZZP. He told me they still girdle the Gen 3 block but it isn't needed for builds under 500WHP. Apparently all direct injected 2.4 engines are actually Gen 3. ZZP said not to push an LE5 block beyond 350WHP. IF you happen to have a girdled Gen 2, your power goals should be safe but you may want to ask him about that as well if it's an LE5 because the larger bore means even less material.
Okay, this is getting even more confusing. The general rule of thumb for most Ecotec builders has been that Gen 2 blocks, both the LE5 and LNF, are good until about 500WHP. Several builds have seen this much power on a regular basis. There is no less material in the block of an LE5 compared to the LNF. There is less material in the sleeve, but the blocks are identical. Hell, for almost a year and half, ZZP was saying a girdled Gen 2 block was the best thing since ********, and now they're saying they're not even worth girdling? WTF?

This girdled Gen 3 block is confusing, too. I've seen what most Ecotec-er's consider the Gen 3 block to be a closed-deck block with plasma-sprayed bores instead of a steel liner. You can't girdle a closed-deck block. I think ZZP is calling something else a Gen 3, and I don't know what that is...

I can understand that 350WHP power limit on a Gen 1 Ecotec, since most people are hesitant to hit 400WHP, but many LSJ builds, which are a Gen 1 block, have seen a hell of a lot more than that.

Considering how many other LE5 builds I've seen go into the 500WHP area, with aftermarket internals, I doubt I'll have an issue.

Originally Posted by lunati397
Fallen How good are you with wireing and computers becuase I am sure you can use a holley HP EFI but will have to wire and program all the sensors but can be done for roughly 1000 dollars with boost control wide band O2 all in one ecu.
I'm not a master, but I am pretty good. The MicroSquirt I'm looking at has all the features I'm looking for at a price about a quarter of the HP EFI. Also, I'm not sure the HP EFI can read a 7X crank ignition output that I'll be running. Most of them seem meant for 58X/60-2. If I were running that kind of crank, or wanted to run a crank-mounted reluctor-wheel, that would be an option. I'll look into it.
Old 05-06-2013, 06:48 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
I would talk to Zoomer over at ZZP. He told me they still girdle the Gen 3 block but it isn't needed for builds under 500WHP. Apparently all direct injected 2.4 engines are actually Gen 3. ZZP said not to push an LE5 block beyond 350WHP. IF you happen to have a girdled Gen 2, your power goals should be safe but you may want to ask him about that as well if it's an LE5 because the larger bore means even less material.
Okay, I think we found our source of confusion. If you look on ZZP's "Ecotec Forged Short Block" option, they have in the engine options that the LE5 and LNF are a Gen 3 block. I don't know why they've decided to call them a Gen 3, instead of the more widely accepted Gen 2 classification. I don't even know what they consider a Gen 2 anymore...
Old 05-07-2013, 07:30 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Fallen2603
Okay, I think we found our source of confusion. If you look on ZZP's "Ecotec Forged Short Block" option, they have in the engine options that the LE5 and LNF are a Gen 3 block. I don't know why they've decided to call them a Gen 3, instead of the more widely accepted Gen 2 classification. I don't even know what they consider a Gen 2 anymore...

I contacted ZZP about this and they no longer offer Gen 2 blocks (LNF or LE5) because they are prone to cracking. ZZP will girdle a LSJ block for an LNF application but they will no longer touch a Gen 2 LNF or LE5 block.

According to ZZP, all direct injected 2.4's are Gen 3 (LAF & LUK), not Gen 2, and that Regal 2.0's are Gen 3 as well. I can't find any other information other than Wikipedia and it contradicts what ZZP says when it comes to the classification between the two generations. Whatever the actual classification is, ZZP says the newer blocks are different.

You should email them for more information. Perhaps act as if you're interested in purchasing a Gen 3 block from them and see what they say. I had quite a few LNF owners interested in an LSJ block I had for sale awhile back.
Old 05-07-2013, 09:46 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
I contacted ZZP about this and they no longer offer Gen 2 blocks (LNF or LE5) because they are prone to cracking. ZZP will girdle a LSJ block for an LNF application but they will no longer touch a Gen 2 LNF or LE5 block.

According to ZZP, all direct injected 2.4's are Gen 3 (LAF & LUK), not Gen 2, and that Regal 2.0's are Gen 3 as well. I can't find any other information other than Wikipedia and it contradicts what ZZP says when it comes to the classification between the two generations. Whatever the actual classification is, ZZP says the newer blocks are different.

You should email them for more information. Perhaps act as if you're interested in purchasing a Gen 3 block from them and see what they say. I had quite a few LNF owners interested in an LSJ block I had for sale awhile back.
Yeah, ZZP is definitely saying some weird stuff these days. I did e-mail them, and it almost sounds like they are confused. They told me they have it wrong on their site, but that's about it. I e-mailed them back to hopefully get more info. Like I said, they're saying some weird stuff that goes against many a well-accepted fact in the Ecotec world. Hopefully, we'll get to the bottom of this...

Last edited by Fallen2603; 05-07-2013 at 06:53 PM.
Old 05-07-2013, 07:02 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
I contacted ZZP about this and they no longer offer Gen 2 blocks (LNF or LE5) because they are prone to cracking. ZZP will girdle a LSJ block for an LNF application but they will no longer touch a Gen 2 LNF or LE5 block.

According to ZZP, all direct injected 2.4's are Gen 3 (LAF & LUK), not Gen 2, and that Regal 2.0's are Gen 3 as well. I can't find any other information other than Wikipedia and it contradicts what ZZP says when it comes to the classification between the two generations. Whatever the actual classification is, ZZP says the newer blocks are different.

You should email them for more information. Perhaps act as if you're interested in purchasing a Gen 3 block from them and see what they say. I had quite a few LNF owners interested in an LSJ block I had for sale awhile back.
Okay, it's really getting hard for me to think of ZZP as a viable source of information. At first, they were unsure about whether or not an LE5 is a Gen 2 Ecotec, and it clearly is. Now, they're now telling me that Gen 1 blocks are stronger than the Gen 2 block. That's RIDICULOUS. Pretty much everything they're saying, and that you've told me they conveyed to you, goes against every piece of information in the entire Ecotec community. I don't know what to tell you, man. I'd look elsewhere for better information, if I were you.
Old 05-07-2013, 08:25 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Fallen2603
Okay, it's really getting hard for me to think of ZZP as a viable source of information. At first, they were unsure about whether or not an LE5 is a Gen 2 Ecotec, and it clearly is. Now, they're now telling me that Gen 1 blocks are stronger than the Gen 2 block. That's RIDICULOUS. Pretty much everything they're saying, and that you've told me they conveyed to you, goes against every piece of information in the entire Ecotec community. I don't know what to tell you, man. I'd look elsewhere for better information, if I were you.
I doubt ZZP was ever unsure of an LE5 being a Gen 2 block. Is that what you got from them? They are selling a Gen 3 block for the LE5 but the block does not come from an LE5 rather an LAF & LUK. From a business standpoint it doesn't make sense to stop selling Gen 2 LE5/LNF blocks unless the failures they have reported are true. GM did change the block again after all.

I don't know man, I'm not trying to defend them but at the same time they have accomplished more out of the Ecotec's than anyone else I am aware of. Since they won't girdle my LNF block I have no choice but to send them my LSJ block. I'm not going to trust a Gen 2 at 600WHP without a girdle.

Just out of curiosity. Why do you find it hard to believe that the LSJ block is stronger than the LNF? It's stronger than the LE5 block and the only out of the 3 that I know of to hit almost 900WHP and still going.
Old 05-07-2013, 09:01 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
I doubt ZZP was ever unsure of an LE5 being a Gen 2 block. Is that what you got from them? They are selling a Gen 3 block for the LE5 but the block does not come from an LE5 rather an LAF & LUK. From a business standpoint it doesn't make sense to stop selling Gen 2 LE5/LNF blocks unless the failures they have reported are true. GM did change the block again after all.

I don't know man, I'm not trying to defend them but at the same time they have accomplished more out of the Ecotec's than anyone else I am aware of. Since they won't girdle my LNF block I have no choice but to send them my LSJ block. I'm not going to trust a Gen 2 at 600WHP without a girdle.

Just out of curiosity. Why do you find it hard to believe that the LSJ block is stronger than the LNF? It's stronger than the LE5 block and the only out of the 3 that I know of to hit almost 900WHP and still going.
Direct quote from the e-mail they sent me: "I don’t think we have it quite right on the site. I think you’re correct that an LE5 is a gen 2." They shouldn't have to "think" that an LE5 is a Gen 2. They should KNOW this. That seems confused to me.

I don't know why they stopped girdling Gen 2 blocks. Like I said, for about a year and a half, their site said the girdled Gen 2 was the ultimate option. Maybe certain parts of the block won't go past 500WHP, but other parts will. I do know that the Gen 2 has enlarged coolant passages, but it also has more structural reinforcement at the mains and other portions of the block. Maybe something about their girdling process weakens another portion of the block. They aren't exactly bombarding me with information.

I'm not trying to attack them, and I don't blame you for wanting to defend them. Even I have held them as an Ecotec authority for many years. They have done a lot of great stuff with Ecotec's, but there are just some major holes here that I can't ignore.

People have gone 600WHP on stock Gen 2 blocks, and haven't had problems. However, they're not racing the **** out of them all the time. I don't know what kind of abuse you're expecting to put your future motor through. In your shoes, I would feel better with a girdled block, especially at that power level. There are other companies that do girdled Ecotec's. FSMR comes to mind, and they'll girdle almost any Ecotec block.

Until recently, they had those 898WHP numbers classified as the "Fastest LNF" and not the "2.0 Liter LSJ." They have 710WHP for their "Fastest LNF" which still is nothing to sneeze at, and also goes against their current recommendations and information they're giving you and me. Also, I'm sure both of those engines holding these records and titles for their products are girdled.

All in all, man, I don't know what to tell you. ZZP isn't exactly giving me a lot to work with, and a lot of what they're saying doesn't sound right or goes against the rest of the Ecotec community. Take everything with a grain of salt, I suppose...
Old 05-08-2013, 12:01 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Fallen2603
Direct quote from the e-mail they sent me: "I don’t think we have it quite right on the site. I think you’re correct that an LE5 is a gen 2." They shouldn't have to "think" that an LE5 is a Gen 2. They should KNOW this. That seems confused to me.

I don't know why they stopped girdling Gen 2 blocks. Like I said, for about a year and a half, their site said the girdled Gen 2 was the ultimate option. Maybe certain parts of the block won't go past 500WHP, but other parts will. I do know that the Gen 2 has enlarged coolant passages, but it also has more structural reinforcement at the mains and other portions of the block. Maybe something about their girdling process weakens another portion of the block. They aren't exactly bombarding me with information.

I'm not trying to attack them, and I don't blame you for wanting to defend them. Even I have held them as an Ecotec authority for many years. They have done a lot of great stuff with Ecotec's, but there are just some major holes here that I can't ignore.

People have gone 600WHP on stock Gen 2 blocks, and haven't had problems. However, they're not racing the **** out of them all the time. I don't know what kind of abuse you're expecting to put your future motor through. In your shoes, I would feel better with a girdled block, especially at that power level. There are other companies that do girdled Ecotec's. FSMR comes to mind, and they'll girdle almost any Ecotec block.

Until recently, they had those 898WHP numbers classified as the "Fastest LNF" and not the "2.0 Liter LSJ." They have 710WHP for their "Fastest LNF" which still is nothing to sneeze at, and also goes against their current recommendations and information they're giving you and me. Also, I'm sure both of those engines holding these records and titles for their products are girdled.

All in all, man, I don't know what to tell you. ZZP isn't exactly giving me a lot to work with, and a lot of what they're saying doesn't sound right or goes against the rest of the Ecotec community. Take everything with a grain of salt, I suppose...
I've been in the Ecotec game for years. I bought my first LSJ in 05 and traded it for an LNF in 08 only to sell the LNF in 2010 to seek another LSJ as nice as my first one. I found it in 2010 and never looked back. I build & tune myself but ZZP has some good stuff. Their cams are better!

I find it unlikely that their girdling process somehow weakens a Gen 2 block yet is still offered for an LSJ. This makes no sense unless the Gen 2 block is in fact weak, which is why I'd bet you they get their Gen 3 blocks directly from GM. It's not like there's a plethora of busted up cars with Gen 3 blocks in them at their disposal and they've been offering them since last fall. You were completely oblivious to the potential weakness until I brought it up. You may want to do a little more research yourself.

I contacted Zoomer again and he confirmed pretty much everything we've discussed here. I'm not sure where you're getting your info but the LSJ is the 898WHP mark even if there was a typo at some point. Unless you have a link to something faster, I have to give it to them. Nothing personal.


Old 05-08-2013, 12:28 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
I've been in the Ecotec game for years. I bought my first LSJ in 05 and traded it for an LNF in 08 only to sell the LNF in 2010 to seek another LSJ as nice as my first one. I found it in 2010 and never looked back. I build & tune myself but ZZP has some good stuff. Their cams are better!

I find it unlikely that their girdling process somehow weakens a Gen 2 block yet is still offered for an LSJ. This makes no sense unless the Gen 2 block is in fact weak, which is why I'd bet you they get their Gen 3 blocks directly from GM. It's not like there's a plethora of busted up cars with Gen 3 blocks in them at their disposal and they've been offering them since last fall. You were completely oblivious to the potential weakness until I brought it up. You may want to do a little more research yourself.

I contacted Zoomer again and he confirmed pretty much everything we've discussed here. I'm not sure where you're getting your info but the LSJ is the 898WHP mark even if there was a typo at some point. Unless you have a link to something faster, I have to give it to them. Nothing personal.
You're right, I was oblivious to the potential weakness of the Gen 2 blocks because this is the first time ANYONE in the Ecotec community has been told that the Gen 2 blocks are weaker than the Gen 1 blocks. It's been a widely accepted notion that the Gen 2 blocks are stronger than the Gen 1 blocks. Gen 1 L61's and LSJ's have had sleeves busted for years, but no one complains of this issue with the Gen 2's. If this is some bit of revolutionary data, then please urge ZZP to release their findings to all of the Ecotec communities so that their information can be further analyzed and processed. ZZP isn't saying much of anything to me, so maybe they'll talk to you and spread the word about the NEW information.

I don't take it personal at all, man. I'm just not seeing the proof, yet. They're the only company to make this statement, and they're not stating it that loud and keeping it almost entirely to themselves.

Do what you're going to do, man, and good luck to you.
Old 05-11-2013, 12:38 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

@Fallen2603,

I have more information about the GEN 2 block. "It was thought that the Gen 2 block would be better to girdle because it would provide support from both top to bottom. Unfortunately, the failures are in the new coolant passages within these blocks and cannot be reinforced."

Take it or leave it man. I doubt you'll get any more out of them. ZZP has the WORST customer service out of any company/vendor I have dealt with in my entire life. They must be making a killing to be able to respond to questions as poorly as they do.

Good luck on your build man. I hope it finds you well.
Old 05-11-2013, 11:31 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
@Fallen2603,

I have more information about the GEN 2 block. "It was thought that the Gen 2 block would be better to girdle because it would provide support from both top to bottom. Unfortunately, the failures are in the new coolant passages within these blocks and cannot be reinforced."

Take it or leave it man. I doubt you'll get any more out of them. ZZP has the WORST customer service out of any company/vendor I have dealt with in my entire life. They must be making a killing to be able to respond to questions as poorly as they do.

Good luck on your build man. I hope it finds you well.
LOL! Yeah, their customer service leaves a lot to be desired. They make some fantastic parts, though. Got more than a few of them on my Cobalt SS/SC.

Right now, I'll still search for more corroboration of this claim, but my plan still stands.

On a side-note, I still appreciate you bringing something like this to my attention. Your motives were pure. Thanks!
Old 05-22-2013, 03:46 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Fallen2603
LOL! Yeah, their customer service leaves a lot to be desired. They make some fantastic parts, though. Got more than a few of them on my Cobalt SS/SC.

Right now, I'll still search for more corroboration of this claim, but my plan still stands.

On a side-note, I still appreciate you bringing something like this to my attention. Your motives were pure. Thanks!
Old 05-27-2013, 08:45 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Have you seen the latest? Ever since our discussion it would seem that they have changed the information on their site. Check out additional information and other resources as well.

The Gen 3 block is a huge improvement for GM and solves previous shortcomings of the Gen 1 & 2 versions of the Ecotec motor. In fact, the Gen 3 block supports over 500WHP in stock form.

Improvements include:
-Cylinder wall bracing that prevents sleeves from breaking out in high HP applications
-Sand casting which removes porosity found in the older foam cast blocks
-5 pounds of additional aluminum adding internal structural support and solves the coolant jacket leakage issues with Gen 2 blocks


http://shop.zzperformance.com/store/...ort-Block.aspx

BTW. We sort of got into a discussion but I meant to see how it was coming the last time I posted. Where are you at with this? It seems like such a bad idea that I want to get started soon...
Old 05-28-2013, 07:36 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec
Have you seen the latest? Ever since our discussion it would seem that they have changed the information on their site. Check out additional information and other resources as well.

The Gen 3 block is a huge improvement for GM and solves previous shortcomings of the Gen 1 & 2 versions of the Ecotec motor. In fact, the Gen 3 block supports over 500WHP in stock form.

Improvements include:
-Cylinder wall bracing that prevents sleeves from breaking out in high HP applications
-Sand casting which removes porosity found in the older foam cast blocks
-5 pounds of additional aluminum adding internal structural support and solves the coolant jacket leakage issues with Gen 2 blocks


http://shop.zzperformance.com/store/...ort-Block.aspx

BTW. We sort of got into a discussion but I meant to see how it was coming the last time I posted. Where are you at with this? It seems like such a bad idea that I want to get started soon...
I wish I could say that surprised me, but it doesn't. It seems they're getting their site a little bit better all the time...just really slowly. They probably just get tired of people like us asking them questions attempting to achieve an answer more than five words long.

Haven't really done much lately, and I haven't snagged any great deals recently, either. Spring semester has been over for a little while, now, and my summer semester should be pretty lax in comparison. As soon as I take care of some bullshit responsibilities, I should be making more steam on this soon.

I'm hoping to have everything welded in, the car flipped on the rotisserie, full under-coating, interior-coating, and body-wiring done by the end of the summer. We'll see how it goes...
Old 05-28-2013, 05:19 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by Boosted_Ecotec

-Sand casting which removes porosity found in the older foam cast blocks
I realize this is a copy and paste from that website, but "Lost Foam Casting" takes a foam replica of the block and puts it in casting sand, the molten metal vaporizes the foam and fills the space created by the foam in the sand. Just so you know.
Old 05-28-2013, 05:56 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Originally Posted by ssrogers
I realize this is a copy and paste from that website, but "Lost Foam Casting" takes a foam replica of the block and puts it in casting sand, the molten metal vaporizes the foam and fills the space created by the foam in the sand. Just so you know.
Thanks, man. There are days I wish I could be an engineer...
Old 04-23-2014, 10:29 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

in for updates
Old 04-24-2014, 01:21 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Unfortunately, this project is in a financially-induced coma. Still alive, but not going anywhere at the moment.
Old 05-05-2014, 04:29 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

I've checked in on this on and off through the years. Can't wait to see how this goes once finished.

Hopefully it gets back up and going soon!
Old 05-05-2014, 05:26 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

You and I are in the same boat, Jimmy. Thanks for the kind words.
Old 11-03-2015, 04:57 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

So is this still happening?
Old 11-03-2015, 11:33 PM
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Re: Ecotec I4 in a 3rd-Gen Camaro

That's the plan, man.

Had a bout of poverty not long ago. Not fun. However, since then I've graduated with my bachelor's and got a full-time job paying $25 an hour...and I've already started to buy more parts.

Even found a better, more conventional method of mounting the engine that doesn't require any permanent modification to the car itself.

May start an entirely new thread to start fresh...
Old 11-05-2015, 07:25 AM
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Re: Ecotec I4 in a 3rd-Gen Camaro

Congrats on graduating and the new job. Be sure to post a link here of the new thread if you start one so we stay in the loop!


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