LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

The LSX Swap Build Thread

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Old 09-21-2019, 08:36 PM
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Re: The LSX Swap Build Thread

Nice!
Old 09-25-2019, 02:05 PM
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Re: The LSX Swap Build Thread

Bump.

Last edited by BADMAN; 09-25-2019 at 02:10 PM.
Old 09-25-2019, 02:08 PM
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Re: The LSX Swap Build Thread



Car in paint booth for exterior paint. A week or two and it will be complete. 😁
Old 09-28-2019, 02:18 PM
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Re: The LSX Swap Build Thread




Some more paint pics. I'll post better pics on Monday.
Old 09-30-2019, 02:32 PM
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Re: The LSX Swap Build Thread





More pics. Body needs final color/wet sanding and buff. Better than I expected. Underside appears white in pic but is actually a grey color.

Last edited by BADMAN; 09-30-2019 at 08:46 PM.
Old 09-30-2019, 08:54 PM
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Re: The LSX Swap Build Thread


FOX Body? LOL.
Old 10-02-2019, 06:40 PM
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Re: The LSX Swap Build Thread

This will be one gorgeous build.
Old 10-02-2019, 09:37 PM
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Re: The LSX Swap Build Thread

Thanks.
Old 10-08-2019, 11:57 AM
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Re: The LSX Swap Build Thread



Hood and fender color sanded and buffed.
Old 10-15-2019, 12:57 PM
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Re: The LSX Swap Build Thread





Car back on transportation dolly. Hood, fenders, rear hatch, doors, and glass to be reinstalled this week. Maybe ready by the weekend. Pics really don’t show how good this paint job is.
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Old 10-15-2019, 02:34 PM
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Re: The LSX Swap Build Thread

Originally Posted by BADMAN
Pics really don’t show how good this paint job is.
Nor the remarkable progress.
Well done all involved.
Old 10-15-2019, 04:06 PM
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Re: The LSX Swap Build Thread

Originally Posted by BADMAN




Car back on transportation dolly. Hood, fenders, rear hatch, doors, and glass to be reinstalled this week. Maybe ready by the weekend. Pics really don’t show how good this paint job is.
you can tell this is going to be a fine work of art,all the right stuff is being done and will go into it.i can see the excellence in what has been done so far
Old 10-15-2019, 04:25 PM
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Re: The LSX Swap Build Thread

Don't envy you to keep that clean once it is assembled and actually driven
Old 10-17-2019, 09:11 PM
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Re: The LSX Swap Build Thread

Originally Posted by scooter
Don't envy you to keep that clean once it is assembled and actually driven
Only drive on sunny dry days on paved roads. LOL.
Old 10-17-2019, 09:12 PM
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Re: The LSX Swap Build Thread

Originally Posted by skinny z
Nor the remarkable progress.
Well done all involved.
Old 10-19-2019, 12:24 PM
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Re: The LSX Swap Build Thread

Facebook Post

Video of paint. Paint and body by Houston Corvette Service.

Last edited by BADMAN; 10-19-2019 at 12:27 PM.
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Old 10-23-2019, 02:57 PM
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Re: The LSX Swap Build Thread

Awesome build!
Old 10-25-2019, 10:23 PM
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Re: The LSX Swap Build Thread

Picking up car next week. 😁
Old 11-05-2019, 01:59 PM
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Re: The LSX Swap Build Thread

Can’t load pics today. Anyone know why?
Old 11-05-2019, 02:31 PM
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Re: The LSX Swap Build Thread


Done. Headed home.
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Old 11-05-2019, 04:09 PM
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Re: The LSX Swap Build Thread


Last edited by BADMAN; 11-05-2019 at 04:12 PM.
Old 11-05-2019, 04:12 PM
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Re: The LSX Swap Build Thread

Pics don’t do the paint job justice.

Old 11-05-2019, 04:16 PM
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Re: The LSX Swap Build Thread



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Old 11-06-2019, 06:44 AM
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Re: The LSX Swap Build Thread

Looks great! I'm looking forward to watching this car being put together.
Old 11-26-2019, 07:35 PM
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Re: The LSX Swap Build Thread

Been in a holding pattern waiting on some parts. Bought new tank and it was damaged. waiting on replacement. Always something.
Old 11-26-2019, 07:55 PM
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Re: The LSX Swap Build Thread

I would absolutely suggest a 4th gen plastic tank,unless you have the budget to buy whatever new part that suits you

Last edited by 1986BANDIT; 11-27-2019 at 04:08 PM.
Old 11-27-2019, 06:16 AM
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Re: The LSX Swap Build Thread

Originally Posted by 1986BANDIT
I would absolutely suggest a 4th gen plastic tank,just a thought
X2
Old 11-27-2019, 09:42 AM
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Re: The LSX Swap Build Thread

Originally Posted by 1986BANDIT
I would absolutely suggest a 4th gen plastic tank,just a thought
I would actually recommend the new tank from Aeromotive. For the 4th gen tank to work, you either have to find one with the original pump bucket in it still (this is the only bucket design that can be converted to the thirdgen gauge sender) or you have to use aftermarket gauges that will work with the 4th gen sender.
Old 11-27-2019, 12:18 PM
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Re: The LSX Swap Build Thread

The Aeromotive is the one I’m waiting on.
Old 11-27-2019, 04:04 PM
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Re: The LSX Swap Build Thread

im one of those poor saps that can't just buy the latest and greatest of everything,EVER.
ive always had to find a way to be economically frugal for every single solitary purchase.
so unless the new aeromotive tank is under $100 i wouldn't be buying it.

that's probably why i like realistic "budget builds" as i can totally relate.
im building an engine and so far the only new parts are the gaskets.
by the end the only new parts will be the gaskets,the bearings and
the very bare necessities.
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Old 11-27-2019, 04:29 PM
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Re: The LSX Swap Build Thread

I don't think junkyarding a 20 year old plastic fuel tank is appropriate for this car.

Nice thing about the 4th gen tank is that it carries the charcoal canister. You can vent the tank through the canister and it won't smell up the garage. Otherwise there's no advantage because all the guts of the stock fuel system has to be thrown away at his power level.

Only reason I am limping along my 4th gen fuel system is because I already had it in the car. Otherwise I would be looking very hard at the Aeromotive tank.
Old 12-04-2019, 07:38 PM
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Re: The LSX Swap Build Thread

Still waiting on fuel tank. DeWitts radiator on the way. Building wiring harnesses. Rebuilding A/C box. Lots to do.
Old 12-09-2019, 12:45 PM
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Re: The LSX Swap Build Thread

Still waiting on some items to be delivered. Most likely won't be posting any pics till after first of the year. Stay tuned.
Old 01-04-2020, 07:30 AM
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Re: The LSX Swap Build Thread

Most parts in, ready to get started. Stay tuned. Unless something else comes up. 😳
Old 01-27-2020, 12:04 PM
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Re: The LSX Swap Build Thread



Wegner Motorsports Front Drive installed. More parts coming today. Getting restarted finally.
Old 01-27-2020, 01:03 PM
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Re: The LSX Swap Build Thread

Wheels to match those pulleys would be pretty spiffy.
Old 01-27-2020, 08:14 PM
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Re: The LSX Swap Build Thread

Some of you may have heard of the explosion of a business in Houston. The shop that painted my car was across the street and was destroyed. https://abc13.com/5877954/
Old 01-27-2020, 09:22 PM
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Re: The LSX Swap Build Thread

Oh wow. How sad that just destroyed his entire business. I hope him the best in his rebuilding his shop.
Old 01-28-2020, 07:33 AM
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Re: The LSX Swap Build Thread

Whoa! That is really tough. I've been following your thread and I thought they did an amazing job on your car! I really hope the owner has enough insurance to get him back on his feet - hate to see a great small business gone from something that wasn't even their fault.
Old 01-28-2020, 08:50 AM
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Re: The LSX Swap Build Thread

Owner has more buildings down the street. Going to move mechanical shop there, which is what was destroyed. Body shop was not damaged.
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Old 02-04-2020, 06:22 PM
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Re: The LSX Swap Build Thread

Getting steel braided hoses made for fuel tank and hard lines being installed. Pics to follow.
Old 02-11-2020, 04:55 PM
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Re: The LSX Swap Build Thread

Fuel tank in. Aeromotive Stealth with 340lph pump. Made my own harness and instead of OEM bulkhead, using a Seals-it grommet. Used braided lines in -6an and using adapters to go to OEM style new stainless fuel lines. Both 3/8” for feed and return. Rubber hose for fuel tank relief valve. Will finish all connections tomorrow and final mounting clamps on hard lines.




Old 02-11-2020, 05:30 PM
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Re: The LSX Swap Build Thread

Looks great. I ordered mine 4 months ago. After many calls and cancelled orders, summit is finally shipping me one. What did you do for the vent? Did it come with a new one?
Old 02-11-2020, 10:27 PM
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Re: The LSX Swap Build Thread

Originally Posted by ShiftyCapone
Looks great. I ordered mine 4 months ago. After many calls and cancelled orders, summit is finally shipping me one. What did you do for the vent? Did it come with a new one?
I’m using my original vent valve. Took it apart and cleaned it. I ran a hose from barb on tank to it. Pic of top of tank where hose goes for vent. Not running vapor line or canister as I have no emissions testing where I live.

Old 02-13-2020, 02:49 PM
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Re: The LSX Swap Build Thread





Have a question. I have my car on a 2-post lift with the arms extended to the ends of the frame on all 4 points. Car is very stable. All doors, hood, rear deck and front/ rear windshields are on car. Only thing I’ve installed is the fuel tank and lines. I now want to install rear end with disc brakes to car along with attaching suspension parts. Shocks, springs, panhard, etc. So,does anyone feel this will put too much weight on rear of car and possibly tilt and become unstable? Has anyone with a lift had any issues of this nature? Or do I need to do engine/trans first?

Last edited by BADMAN; 02-13-2020 at 03:15 PM.
Old 02-13-2020, 03:29 PM
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Re: The LSX Swap Build Thread

Originally Posted by BADMAN




Have a question. I have my car on a 2-post lift with the arms extended to the ends of the frame on all 4 points. Car is very stable. All doors, hood, rear deck and front/ rear windshields are on car. Only thing I’ve installed is the fuel tank and lines. I now want to install rear end with disc brakes to car along with attaching suspension parts. Shocks, springs, panhard, etc. So,does anyone feel this will put too much weight on rear of car and possibly tilt and become unstable? Has anyone with a lift had any issues of this nature? Or do I need to do engine/trans first?
It's too much. Too risky. These cars are incredibly light with no drivetrain and one side will be completely off balance. The front end is super light, so much so I could lift mine off Jack stands when mine was down to a shell.
Old 02-14-2020, 07:53 PM
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Re: The LSX Swap Build Thread

I think I would get all the wring plumbed through the car, brake lines ran. shocks and struts mounted to the body.. so on and so forth, then lower the car onto the k-member (with motor) and rear end... that's a incredible build sir. im in Houston as well. cant wait to se it finished. great work!
Old 02-14-2020, 10:32 PM
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Re: The LSX Swap Build Thread

Currently building a carriage for the engine and trans assembly and lowering the car down to it. Tested putting the rear end and rear suspension on and it will make the car unstable. After engine/trans install weight will be more evenly divided.
Old 02-16-2020, 11:41 AM
  #149  
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Car: 1985 Iroc-Z
Engine: 440LSX
Transmission: l460e
Axle/Gears: 3.55 Wavetrac
Re: The LSX Swap Build Thread

Originally Posted by ShiftyCapone
It's too much. Too risky. These cars are incredibly light with no drivetrain and one side will be completely off balance. The front end is super light, so much so I could lift mine off Jack stands when mine was down to a shell.
Thanks. I took all opinions into consideration and yours was spot on.
Old 02-16-2020, 03:00 PM
  #150  
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Car: 91 Camaro RS
Engine: LS6
Transmission: M12/T56
Axle/Gears: 3.42
Re: The LSX Swap Build Thread

Did you use the aeromotive wiring kit? Any pics of it ran through the car? Curious on your routing.


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