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Search: Posts Made By: cardo0
Showing results 1 to 50 of 479
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Forum: Tech / General Engine
05-02-2020, 10:10 PM
Replies: 175
Views: 14,757
Posted By cardo0

Re: Vortec engine build dyno numbers. How'd I do and what next?

Well I know I'm late to the party here but from what I can see on the dyno graphs is the power curve is nearly flat once the rpm/motor is "up on the cam". It would be nice to read the RPM on the...
Forum: TPI
05-02-2020, 10:07 PM
Replies: 4
Views: 1,608
Posted By cardo0

Re: horsepower from vortec combo

wrong forum
Forum: Tech / General Engine
01-26-2020, 12:17 PM
Replies: 13
Views: 1,048
Posted By cardo0

Re: Intermittent misfire

If it was electrical or electronic most likely the ECM would throw a fault code. Have you checked or tested your fuel injectors?
Forum: Tech / General Engine
01-15-2020, 11:30 PM
Replies: 11
Views: 809
Posted By cardo0

Re: Add EGR back in?

Well if you lived in a hot location I would say the EGR might have a cooling benefit while cruising as its function is to make the cylinder run cooler by diluting the air/fuel charge.

If you...
Forum: Tech / General Engine
12-25-2019, 08:10 PM
Replies: 55
Views: 20,399
Posted By cardo0

Re: Thirdgen Smog Pump as Vacuum pump?

Something that gets overlooked is installing a drain back line from the bottom of the catch can to the oil pan. It should have a check valve in the drain back line but I believe it would work...
Forum: Tech / General Engine
12-20-2019, 12:29 PM
Replies: 2
Views: 335
Posted By cardo0

Re: Help identify cnc Lt1 heads

The first pic of the end looks like a stock casting. Not many head porting vendors support the GEN II LT1 series anymore even if they did so at one time. You would have to do a lot of calling or...
Forum: Tech / General Engine
12-14-2019, 12:49 PM
Replies: 55
Views: 20,399
Posted By cardo0

Re: Thirdgen Smog Pump as Vacuum pump?

How 'bout attach a propeller to the pump and hang it out in the windstream? Steal a prop from a drone or RC model and mount the pump right on the front of the car. Hey it won't cost a thousand bucks...
Forum: Tech / General Engine
11-26-2019, 12:14 PM
Replies: 113
Views: 32,067
Posted By cardo0

Re: 334 TPI Stroker - Dyno Results Are In!!! What Next?

Nice times and you should be proud of making the 12's. Must be a lot of fun to drive on the street.

Those 700R4 trans are plenty in the bone yards if you need a new trans bad enough and most can...
Forum: Tech / General Engine
11-21-2019, 10:56 PM
Replies: 7
Views: 667
Posted By cardo0

Re: Engine vibration looking for advice

Well if you eliminated the flywheel and everything behind it it's now engine related. Remove the fan belts or serpetine belt and check for vibration to rule out the accessories.

If not an...
Forum: Tech / General Engine
10-23-2019, 12:32 PM
Replies: 113
Views: 32,067
Posted By cardo0

Re: 334 TPI Stroker - Dyno Results Are In!!! What Next?

If your looking for a restriction in the air inlet try using a vacuum gauge to measure the pressure loss. At idle with the throttle blades closed you should have zero vacuum (atmospheric pressure) ...
Forum: Tech / General Engine
10-17-2019, 12:42 PM
Replies: 20
Views: 1,954
Posted By cardo0

Re: For a mild street build are all harmonic dampers created equally?

I put a FluidDampner on my C3 Corvette and it's a nice piece but hindsight tells me a nice large OEM style form someone like Pioneer would have worked just as well and saved me at least a 100 bucks....
Forum: Tech / General Engine
10-13-2019, 11:58 PM
Replies: 27
Views: 4,929
Posted By cardo0

Re: Best Compression Tester? Tips and Tricks?

Well where on the learning curve do you think he is? Right now he's having trouble finding a good gauge. You have a better description of his experience? Let's hear it?

And why do you...
Forum: Tech / General Engine
10-13-2019, 08:49 PM
Replies: 27
Views: 4,929
Posted By cardo0

Re: Best Compression Tester? Tips and Tricks?

https://cimg7.ibsrv.net/gimg/www.thirdgen.org-vbulletin/2000x1504/img_0498_29c285de497826daf34e289c150ab309e4d62318.jpg
My WiFi Oscilloscope using a laptop for display.
Well thanks for sharing that...
Forum: Tech / General Engine
10-09-2019, 12:47 PM
Replies: 27
Views: 4,929
Posted By cardo0

Re: Best Compression Tester? Tips and Tricks?

Tootie, if you want an accurate gauge you only need to have yours calibrated. If you Google calibration services for Los Angeles you will find a large number of those companies that can help you and...
Forum: Tech / General Engine
10-08-2019, 12:21 PM
Replies: 27
Views: 4,929
Posted By cardo0

Re: Best Compression Tester? Tips and Tricks?

While there's nothing wrong with suggesting innovation it's actually malicious to suggest highly expensive equipment and extensive skills while a simple accurate gauge was requested. Your point now...
Forum: Tech / General Engine
10-08-2019, 03:09 AM
Replies: 27
Views: 4,929
Posted By cardo0

Re: Best Compression Tester? Tips and Tricks?

That's a mountain of disinformation. That PicoScope starter kit is $1700. And still doesn't measure compression pressure. It uses math calculations from the ignition to make relative comparrisons...
Forum: Tech / General Engine
10-05-2019, 10:50 PM
Replies: 27
Views: 4,929
Posted By cardo0

Re: Best Compression Tester? Tips and Tricks?

I have to say that long before anyone could get a transducer setup ready to use a good old gauge would have it done and for less $$. I'd like to see the circuit the promoter here uses to convert a...
Forum: Tech / General Engine
10-02-2019, 12:53 PM
Replies: 27
Views: 4,929
Posted By cardo0

Re: Best Compression Tester? Tips and Tricks?

Stay away from Hobo Fake tools for anything that needs accuracy! I had one of their fuel pressure gauges that would stick mid-range right where I needed to use it. Also got rid of their torque...
Forum: Tech / General Engine
09-04-2019, 02:04 PM
Replies: 20
Views: 4,896
Posted By cardo0

Re: Head gasket oil leak??

The oil returns from the cylinder heads are on the intake side of the heads and are not pressurized meaning any oil on the separation line between the head and block is dripping there from above and...
Forum: Tech / General Engine
08-31-2019, 12:55 PM
Replies: 17
Views: 3,397
Posted By cardo0

Re: Basic engine rebuild questions

My vote is just have the motor re-ringed and re-bearinged (if that's actually a word). I say this because you are not sure what you want to do and stroking the motor is going to require large dish...
Forum: Tech / General Engine
07-24-2019, 07:16 PM
Replies: 336
Views: 112,305
Posted By cardo0

Re: 383 GEN I SBC Build. 500HP goal... (Can I retain the TPI Intake?)

Interesting as I've been considering a dual plane to MPI EFI conversion for my LT1. The more I read of a dry flow dual plane EFI the more sense it makes for a street motor. Didn't know Mercruiser...
Forum: Tech / General Engine
06-24-2019, 01:41 PM
Replies: 4
Views: 1,598
Posted By cardo0

Re: Undocumented washer from tilt steering column

Try a few U-tube videos on GM steering columns. They maybe bad quality videos but you get a good look at how things come apart and go back together.
Forum: Tech / General Engine
06-20-2019, 10:47 PM
Replies: 13
Views: 3,515
Posted By cardo0

Re: OBD1 readers

If you don't like paper clips then this will work for only 45 bucks: https://actron.com/content/obd-i-code-scanner-gm

Good luck.
Forum: Tech / General Engine
06-15-2019, 11:13 AM
Replies: 14
Views: 2,038
Posted By cardo0

Re: Starter laboring and will not idle

How old is the battery? If over 5 years replace it.
Forum: Tech / General Engine
06-02-2019, 03:14 PM
Replies: 24
Views: 3,334
Posted By cardo0

Re: Heat Soak due to Bad Battery Bolts?

Puma your posts are pretty detailed but I skimmed over a lot of the content because I recently had a similar maybe the same problem with battery bolts. I got a new battery at Sam's club and let the...
Forum: Tech / General Engine
05-05-2019, 09:54 PM
Replies: 4
Views: 574
Posted By cardo0

Re: Need help with my GTA and 383 I built

You say hitting the valves at 12 o'clock but the rocker arms have marks on the inside body where the arm ends and the body housing the fulcrum begins. Yes? If so you should verify your roller tip...
Forum: Tech / General Engine
04-26-2019, 02:14 PM
Replies: 113
Views: 32,067
Posted By cardo0

Re: 334 TPI Stroker - Dyno Results Are In!!! What Next?

Awesome effort devwolf! That's something to be proud of. I'm in the process of grinding out the lifter valley on my LT1 block and I can only do so much of that in one shot. But looking at the...
Forum: Tech / General Engine
04-24-2019, 01:51 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

Bok, bok, bok, bok! Yes I'm chicken. I just had the heads rebuilt with over $800 in them. Carve up the chambers with the old valves in them before rebuild would make sense. Don't want to test my...
Forum: Tech / General Engine
04-19-2019, 12:32 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

I'm targeting dynamic compression ratio of 8.25 using the IVC degrees on common cams. I look at DCR with 3 different calculators to verify result. On-line DCR calculators are so fast and easy to...
Forum: Tech / General Engine
04-17-2019, 09:29 AM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

Block huggers give you good clearance and low restriction too. IMHO much better than any stock cast manifold and a good choice for a daily driver. They just don't have a tuned length at modest RPM...
Forum: Tech / General Engine
04-16-2019, 05:29 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

I got computer locked piston shopping and compression ratio crunching. I found good looking Speed Pro pistons for under 100 bucks but will have to leave the stroke at 3.48". Shame I have to cut the...
Forum: Tech / General Engine
04-16-2019, 10:28 AM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

Thank you very much for the reply. At worst it will be trial and error but I see now something that does work and the w/p drive can stay off.

You could have the cast iron manifolds welded but I...
Forum: Tech / General Engine
04-11-2019, 01:14 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

So I'm reading about another Gen II owner that can't get a double roller set to fit under the Gen II timing cover. Though I didn't get to see it for myself he said his Gen II timing cover hit the...
Forum: Tech / General Engine
03-24-2019, 05:27 PM
Replies: 20
Views: 1,202
Posted By cardo0

Re: Upgrades and Intake GIVEAWAY

Nice of you. Cheers to your build!:thumbsup:
Forum: Tech / General Engine
03-23-2019, 04:11 PM
Replies: 3
Views: 339
Posted By cardo0

Re: Vortec valve question.

Lapping is not a substitute for cutting valves seats. Freshen up a valve & seat already ground correctly yes lapping will restore or improve a valve and seat grind. Now to make things more...
Forum: Tech / General Engine
03-20-2019, 09:08 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

I'll try and wait to hear from you on your electric water pump results. I want to use the Summit pump too but would like to hear from your experience. Also found a $25 "delay after break" relay to...
Forum: Tech / General Engine
03-13-2019, 10:26 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

I think I see the valves have been unshrouded. I know you said you were installing larger valves and I regret not opening up the chambers for larger valves. And your larger intakes reach the edge...
Forum: Tech / General Engine
02-28-2019, 02:38 PM
Replies: 102
Views: 9,119
Posted By cardo0

Re: No oil psi

There is one plug in a oil passage that is not visible on the outside of the motor and frequently gets over looked. It's under the rear main cap and prevents oil from bypassing the oil filter. You...
Forum: Tech / General Engine
02-25-2019, 09:41 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

Then how could anyone use a reduced base circle cam then? But it's done all the time. And as far as I know there ain't no retro-roller lifters sized just to match the "pad height". Lifter...
Forum: Tech / General Engine
02-25-2019, 09:31 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

Below 270 degrees duration a flat tappet doesn't give anything to a roller. And if your really want to get the valve moving fast mushroom lifters will do it.

Glad to see your moving along with...
Forum: Tech / General Engine
02-24-2019, 09:34 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

It reads like you missed the point of the reduced base circle cam dropping the OEM roller lifter. And after reading Skinny's post - looking at his table - it doesn't look possible. No I don't want...
Forum: Tech / General Engine
02-24-2019, 12:20 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

I haven't done it but I have seen someone drill and tap the cam tunnel for this. I think they used some sort of spacer also to raise the spider.
Forum: Tech / General Engine
02-23-2019, 11:52 AM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

Thx for the table Skinny. I can estimate I could drop lifter only like a tenth inch on a cam with a common 0.5" valve lift. Not much for what I think is needed here to use dog bone rollers.
Forum: Tech / General Engine
02-23-2019, 11:13 AM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

Hmm! Has anyone used a reduced base circle cam to run OEM roller lifters (dog bone style) in a non-roller block? Problem has been lifter sticks up/out to high to work correctly. Curious how far a...
Forum: Tech / General Engine
02-22-2019, 02:04 PM
Replies: 23
Views: 7,753
Posted By cardo0

Re: Ls7 lifters max lift?

Which sbc? '87 and later roller blocks - yes. Earlier blocks - no!
Forum: Tech / General Engine
02-08-2019, 12:15 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

Yes, the machine shop didn't want my old pink rods. And the cheapest aftermarket rods look so much better that it doesn't make sense to recondition the stock rods to save only 20 bucks. What kills...
Forum: Tech / General Engine
02-07-2019, 01:38 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

Looked at that assembly on Summit racing. That's dirt cheap for a balanced assembly!
Forum: Tech / General Engine
02-07-2019, 01:15 PM
Replies: 190
Views: 10,879
Posted By cardo0

Re: Rebuild time

You already know my answer. :)
Forum: Tech / General Engine
02-06-2019, 08:37 PM
Replies: 7
Views: 1,093
Posted By cardo0

Re: Lt1 tuning?

Yes, that's it. The '95 and later transmission used pulse width modulation PWM AND THE '94 4L60E doesn't. Sorry but I don't the fix for that or if there is one other than replace the transmission.
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