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

Shim Gasket Pics

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Old 05-26-2011, 10:20 PM
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The heads are off... i already had the gaskets chillin in the closet from when i was going to use them on my bolton build so as far as wasted money that isnt a factor. I wouldnt go and tear a running car apart to throw these on for sure.
Old 05-26-2011, 10:34 PM
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pretty sure a shim is .015 thickness last time i checked. And if that's the case that compression doesn't become a factor, why does lloyd ask for compression ratio when picking out a cam, and when he does he trys to use thinner gaskets to get more compression for the cam. If i thought it was worth my time id dig through emails to show what he has to say about that kind of stuff. Daves compression is a little down because he had to swap blocks (original was decked) and heads have a slightly larger combustion chamber then expected with that said his tune/cam/head set up was set up for a certain number when moe did the tune, and lloyd spec'd the cam. The easiest way at this point to get that lost compression back is to use a shim.
Old 05-26-2011, 10:51 PM
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I'm lost so I gotta ask. OP what exactly are you trying to do? Are you running a LT1 w/ LT1 style heads?

Just trying to get things sorted out here.
Old 05-26-2011, 11:00 PM
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LT1 with TFS 195 Heads. The .15 shim is a SBC head gasket.(They dont make one that thin for LT1'S) I can use them with a little trimming to make them match. SOOOO all i was asking was if some people who HAVE done this took pics so i could get a general idea. YES ive already traced the diff part when matched up. But its always nice to double check.
Old 05-26-2011, 11:05 PM
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OK I was confused. I didn't know anyone had modified a SBC head gasket for a LT1.

Wouldn't it be easier to have the heads shaved some more? I'm just asking don't hate. LOL.
Old 05-26-2011, 11:10 PM
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Originally Posted by LilJayV10
I'm lost so I gotta ask. OP what exactly are you trying to do? Are you running a LT1 w/ LT1 style heads?

Just trying to get things sorted out here.

Are we sorted out boss man? lol The shim gasket is all metal and should hold up better with a 200 hp shot of NOS.
Old 05-26-2011, 11:12 PM
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Originally Posted by LilJayV10
OK I was confused. I didn't know anyone had modified a SBC head gasket for a LT1.

Wouldn't it be easier to have the heads shaved some more? I'm just asking don't hate. LOL.
Not good at reading huh? the heads are shaved to the max
Old 05-26-2011, 11:15 PM
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Yeah sorry. Sorry I opened this thread.
Old 05-26-2011, 11:15 PM
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Originally Posted by Dave357LT1
Heads are shaved as much as CFM was comfortable doing and the motor is in the car so shaving the deck is out of the question.
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