Best Brand for a Head Gasket??
Best Brand for a Head Gasket?? Own a 2000 Trans Am and I am completeing a LS6 conversion...243 heads, LS6 intake, long tubes with an MS4 Cam. I am currently trying to understand what head gasket to go with. I hear that Fel-pro is not a very good choice and that cometic is OK.
Is there a better gasket than cometic?
Is there a better gasket than cometic?
Last edited by Texas-Firehawk; Feb 20, 2011 at 11:00 AM. Reason: Stock Bore for LS1 is 3.898.
Either will work fine for your application Fel Pro is an excellent gasket manufacturer they say the MLS gaskets are the choice too have,But Cometics are great too so your kind of splitting hairs!!
GM did there homework when the made the LSX motors, and did not skimp on the head gaskets. if you are not trying to bump the compression any then i would use the Stock GM MLS .051 head gasket. if you want more compression then use the Cometic MLS head gaskets.
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Either GM MLS or dum dum dum Fel-pro MLS. They do make those. Everyone associates Fel-pro with the crappy silver head-gaskets but thats not all they do folks.
Let me add another tidbit. You need to have the heads milled flat. MLS gaskets are less forgiving to wavy surfaces. Lots of people say cometics leak....the reason is bc they are excessively thin and MLS style gaskets. Makes it very hard for them to do their job. Don't wanna mill flat? Use the shitty silver $10 gaskets. They will forgive you.
Let me add another tidbit. You need to have the heads milled flat. MLS gaskets are less forgiving to wavy surfaces. Lots of people say cometics leak....the reason is bc they are excessively thin and MLS style gaskets. Makes it very hard for them to do their job. Don't wanna mill flat? Use the shitty silver $10 gaskets. They will forgive you.
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