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Thread: what gasket material?
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06-17-2009 #1
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what gasket material?
it looks like i'll be pulling my crank. (now stop laughing
) and i wanted to find out what are the best water pump, timing cover, front seal, and rear main (2pc) seals?
also, i have clevite 77 bearings, should these be upgraded? (they only have a few hundred miles on them, but i'm not sure how good they are.)
thanks
work in progress--for the next 10 years.
1987 monte carlo ss 383ci, 9.7:1, xe274 cam, vortec heads, 200r4, 3.73 posi.
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06-17-2009 #2
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I dont know anyone that has had problems with the felpro gaskets for those areas (maybe there is a better rear main, I have horrible luck with them)
As for the bearings, I guess the question is, Why are you pulling the crank?
06-18-2009 #3
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well, even amongst the fel-pro there's different materials (and i think that's what's in there) and i'm not sure if there's a real advantage to one. i'm mostly concerned about the rear main.
the crank is coming out because it looks like when speed-o-motive machined it, they didn't take enough off of the flexplate flange and it's giving me starter problems. everything else checks out. the bearings only have a couple hundred miles on them, i'm just wondering if they aren't the greatest material or something like that.
thanks for the help. work in progress--for the next 10 years.
1987 monte carlo ss 383ci, 9.7:1, xe274 cam, vortec heads, 200r4, 3.73 posi.
06-20-2009 #4
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Gaskets
Fel Pros are fine, so are gasket kits from GM Performance Parts, the GM stuff is available from suppliers such as Scoggin Dickey, just make sure that you follow the mfgs. instructions for the rear main seal, use RTV on all of the pan gaskets and Gasgacinch sealer for the rest of the gaskets, Gasgacinch is available either through auto parts dealers such as AutoZone, Advance, NAPA ect. Edelbrock also carries it
Dale
06-20-2009 #5
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for the rear main, should i go with flouroelastomer or silicone?
for the timing cover i've got the choices of composite, fiber, blue stripe cork/rubber, cork, steel core rubber, cork, composite/rubber seal, rupper, paper, and cellulose/nitrile.what's the best and the second best? work in progress--for the next 10 years.
1987 monte carlo ss 383ci, 9.7:1, xe274 cam, vortec heads, 200r4, 3.73 posi.
06-20-2009 #6
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Gaskets
Viton rear main seal, blue stripe timing cover gasket, these are the best and are available so you should forget about second best. As for the bearings, what you have will work fine as long as they are not damaged
Dale
__________________Last edited by Pro Stock; 06-20-2009 at 04:03 PM. Reason: Add info, grammer
06-20-2009 #7
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sweet! thanks
where do i find viton seals? i can't find them on summit for a chevy. ('72 block 2pc rear main, 4bolt) work in progress--for the next 10 years.
1987 monte carlo ss 383ci, 9.7:1, xe274 cam, vortec heads, 200r4, 3.73 posi.
06-21-2009 #8
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Gaskets
Jegs item # 829-21105, this is a SCE Gaskets Viton rear main seal, $26.99 in Jegs catologue.
DaleLast edited by Pro Stock; 06-21-2009 at 08:58 PM. Reason: Wrong info
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