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

Felpro gaskets at Discount Auto? Are they .039's?

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Old Jun 11, 2004 | 01:02 PM
  #1  
ZDriver96's Avatar
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Felpro gaskets at Discount Auto? Are they .039's?

Im fairly sure felpro only makes .039 thick replacement gaskets for our Camaro z28s. The guy at discount didnt know the specs on it.

impala = .029
felpro = .039
stock = .051

right?
Just want to make sure i got the .039 thick gaskets. Not sure which is the part number on here.. there are lots of numbers.. if anyone knows the .039 thick gasket number could u post it? thanks.
Old Jun 11, 2004 | 01:24 PM
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felpro 1074?
btw what are "440hp LE Heads"?
Old Jun 11, 2004 | 01:28 PM
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These say

Gm products V8
350 (5.7L) Engine 1992-1996
Replaces No. 12551488


9966PT

10094
020628
Old Jun 11, 2004 | 03:04 PM
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i dont know man..just order Felpro 1074 if you want .039 gasket.
Marcin
Old Jun 11, 2004 | 03:07 PM
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I called up Fel Pro.. The ones I have are .049 thick and are not 1074's..

THe guy on the phone tried telling me that .039 thick gaskets on a 11.3:1 engine will cause it to detonate on pump gas 93.

I dont think so.. Im going with .039 felpros. He must be confused or unaware of reverse cooling, aluminum heads and better quench for atomization of fuel..
Old Jun 11, 2004 | 05:21 PM
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just some info 9966pt are stock replacment( dont go over 11:1 the 1074 are .031 thick i use the 1074 on my 13.6:1 396 lt1 and they work good for na applications if using n20 you need cometic and they run $65 ea
Old Jun 11, 2004 | 05:32 PM
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Originally posted by amean94ta
just some info 9966pt are stock replacment( dont go over 11:1 the 1074 are .031 thick i use the 1074 on my 13.6:1 396 lt1 and they work good for na applications if using n20 you need cometic and they run $65 ea


1074 is not .031 its .039. And no you dont need cometic gaskets to run n2o
Old Jun 12, 2004 | 08:51 PM
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the ones i got are .031 and you cant use n20 with the 1074 if you dont belive me call felpro and ask them
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