LT1-LT4 Modifications 1993-97 Gen II Small Block V8

homemade turbo kit...

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Old Feb 6, 2006 | 02:10 PM
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Default homemade turbo kit...

Just some pics of some garage work...it will go on a 383 LT1...Precision T76 Q trim w/ 40mm gate. Half was welded with fluxcore, half with gas. Had issues with my welder before.

It consists of 2.5" logs with 1.75" primaries. The DP will be 3"... looking for 700rwhp thru M6...

Feel free to comment or post questions/advice.












Last edited by RealQuick; Feb 9, 2006 at 09:50 PM.
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Old Feb 6, 2006 | 02:26 PM
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Nice setup

I hope to see that at new england dragway.
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Old Feb 6, 2006 | 02:35 PM
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Originally Posted by chevy94c
Nice setup

I hope to see that at new england dragway.
Thanks Mike. I actually made this for a board member, so I'll be living vicariously thru his dyno numbers and trak times
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Old Feb 6, 2006 | 03:47 PM
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think you'll ever finish a turbo project for yourself??

looks good.
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Old Feb 6, 2006 | 03:59 PM
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Originally Posted by RoAdRaGe912
think you'll ever finish a turbo project for yourself??

looks good.
[Chapelle]"Cold blooded"[/Chappelle]... That hurt man. You cut me deep. Seriously, I got about $8k more to spend on my car, so I will do this to help generate modding income.
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Old Feb 6, 2006 | 08:58 PM
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Hey, a little off topic but I noticed you guys are from Mass. Do you happen to know of anywhere that dyno tunes LT1s?
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Old Feb 6, 2006 | 09:43 PM
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Originally Posted by Dimitriz28
Hey, a little off topic but I noticed you guys are from Mass. Do you happen to know of anywhere that dyno tunes LT1s?
pm me your year car and what mods.
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Old Feb 6, 2006 | 10:51 PM
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I am trying to figure this setup out. It looks like you have no room for plugs and wires without getting them fried. Also, since the passenger side pipe is coming under the oil pan to the driver side log, how are you going to keep from boiling the oil?
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Old Feb 7, 2006 | 07:37 AM
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The crossover pipe is going right where the stock y-pipe would be so that's not an issue with boiling oil. And the driver's side manifold has all the piping up high at the exhaust ports and the plugs and wires are below that so there should be no problem with burning wires. The only thing I don't like is that "Y" section isn't as smooth a transition as I would like to see. Is that pipe all stainless?
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Old Feb 7, 2006 | 08:27 AM
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Originally Posted by JL8Jeff
The crossover pipe is going right where the stock y-pipe would be so that's not an issue with boiling oil. And the driver's side manifold has all the piping up high at the exhaust ports and the plugs and wires are below that so there should be no problem with burning wires. The only thing I don't like is that "Y" section isn't as smooth a transition as I would like to see. Is that pipe all stainless?
You are right on the plugs and wires. I suggest runing wire sleeves anyway, but plugs are lower than the header and evenly spaced around that crossover pipe that comes up (you put an ctual plug socket on each plug without hitting the pipe. The first pic shows the driver's side #5 and #7 plugs. Picture the cossover piece exactly in the middle between the two plugs.



The y-piece is about as nice as you can get...exactly even x sections. I anted to merge it before it turned 90 degrees to go into the turbo. All the pipe is mild steel 16ga.


Last edited by RealQuick; Feb 7, 2006 at 10:18 AM.
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Old Feb 9, 2006 | 09:49 PM
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a few plug clearance pics on the driver's side:





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