LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Who makes thicker head Gasket!

Old Nov 19, 2004 | 08:47 PM
  #16  
CCCCCYA's Avatar
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Joined: Oct 1999
Posts: 356
From: Oakland City, IN
Re: Who makes thicker head Gasket!

Originally Posted by kmook
As far as I know (which may be incorrect)
GM stocker @ .049

Fel-pro 1074 @ .039

GM Impy @ .029

Mr Gasket 5716 @ .026

Thats why I asked for someone to correct me Man, I sure thought the factory LT1 gasket was .051. Wonder where I got that? Hmmm

Oh well.. I tried

Dave C.
Old Jan 23, 2005 | 01:23 AM
  #17  
Rob(94Hawk#319)'s Avatar
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From: San Diego, CA
Re: Who makes thicker head Gasket!

Sorry to rehash this old thread, but are all the gasket bores the same? ie: 4.125"
Old Jan 23, 2005 | 04:34 PM
  #18  
Lonnie Pavtis's Avatar
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From: Perryopolis, Pa
Re: Who makes thicker head Gasket!

The1074 is not a round bore gasket....it is slightly "D" shaped.
Not sure of the other ones.

I would closely compare the volume of the gasket, not the thickness, if you are trying to correct compression.
Old Jan 23, 2005 | 05:02 PM
  #19  
Rob(94Hawk#319)'s Avatar
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From: San Diego, CA
Re: Who makes thicker head Gasket!

No, I'm not trying to correct for compression, just figure it out as close as possible with the exsisting non-cometic gaskets. If the bore of the gasket is 4.125, and the bore of the cylinder is 4.030 then there is a bit of area left (shrouded by cyl head and block as it may be), is still area to be considered for figuring out static compression.
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