head gasket
#4
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#8
Originally Posted by ou812sm
How about cosmic gasket

I like the GM MLS gaskets myself, and my second choice would be the thinner, more expensive Cometics. If it's an eary 5.3, the GM MLS's won't work as there is a notch or something in the head that will leak if the factory graphite gaskets aren't used. Not sure what years/casting numbers this applies to, but I know that this info is floating around here somewhere.
#9
Thread Starter
Joined: Jul 2008
Posts: 434
Likes: 1
From: new bedford mass.
How about fel pro perma torque mls head gasket are they or cosmetic head gasket better I would be using the new head gasket on ly6 (6.0) I want to use a .40 ths gasket
#10
I believe you guys mean "Cometic" gaskets 
I like the GM MLS gaskets myself, and my second choice would be the thinner, more expensive Cometics. If it's an eary 5.3, the GM MLS's won't work as there is a notch or something in the head that will leak if the factory graphite gaskets aren't used. Not sure what years/casting numbers this applies to, but I know that this info is floating around here somewhere.

I like the GM MLS gaskets myself, and my second choice would be the thinner, more expensive Cometics. If it's an eary 5.3, the GM MLS's won't work as there is a notch or something in the head that will leak if the factory graphite gaskets aren't used. Not sure what years/casting numbers this applies to, but I know that this info is floating around here somewhere.

I do that every time. My phone doesn't like the word Cometic.
My '02 had MLS gaskets, so it would of had to of been earlier than that for the graphite gaskets.




