INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

.045" head gasket choice?

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Old 05-10-2006, 11:05 AM
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it works for me lol. its what i'm running now. they have been in there since feb of last year.
Old 05-10-2006, 11:23 AM
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Originally Posted by Zick
So I guess with the slighter bigger bore gasket but being that its a little thinner, it should about equal out the same.


So now the real question is, since the Fel-Pro's are basically the same price as Cometics. Which would be the better choice?
If I had to do it over I would try the Fel-pros. Cometics can be a little finicky with their sealing, and I found out the hard way. Do a search on ls1tech and you will see.
Old 05-10-2006, 12:29 PM
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Originally Posted by tdrumm
If I had to do it over I would try the Fel-pros. Cometics can be a little finicky with their sealing, and I found out the hard way. Do a search on ls1tech and you will see.

I know and thats why I don't know who to go with. Cometics used to be considered the best gasket known to man, but lately theres been "cometics are leaking" threads. Now granted this will be going on a 05' (1500 miles) block along with brand new Patriots, so there should be no problem with flat surfaces...
I haven't been able to find many people using the MLS Fel-pro gaskets yet.
Old 05-10-2006, 03:16 PM
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Well in light of some new info; https://ls1tech.com/forums/showthread.php?t=504665

It looks like I will be going with the Cometics after all.
Thanks for the help guys.
Old 05-10-2006, 03:43 PM
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Even though Cometic doesn't recommend it, invest in some copper gasket spray. It seems to be what everyone uses to help them seal better. I wish I had known that before trying to use them. I'd also recommend ARP head bolts. Much eaiser to torque them than trying to stretch stock bolts to the correct degree.
Old 05-10-2006, 04:09 PM
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Originally Posted by tdrumm
Even though Cometic doesn't recommend it, invest in some copper gasket spray. It seems to be what everyone uses to help them seal better. I wish I had known that before trying to use them. I'd also recommend ARP head bolts. Much eaiser to torque them than trying to stretch stock bolts to the correct degree.
Yeah I was thinking about doing the copper spray too and I already got a set of ARP head bolts.

Now I just have to find someone who has the gaskets in stock for a decent price. SDPC only had 1 left when I just called them and Texas wants like $20 to ship.
Old 05-11-2006, 03:16 PM
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Well I ended up calling Texas after all since nobody else had any in stock. Turnes out shipping was less than what their website listed, it only was about $15 to ship. But they had them and are on their way.

Hey tdrumm, can you pickup that copper spray anywhere or is it a special kind?
Old 05-12-2006, 06:41 AM
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Originally Posted by Zick
Hey tdrumm, can you pickup that copper spray anywhere or is it a special kind?
My dad had a couple of cans lying around because he uses it on his old Mopars. The stuff he had was from Permatex. I imagine any decent parts store would carry it.
Old 05-12-2006, 01:14 PM
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Originally Posted by tdrumm
My dad had a couple of cans lying around because he uses it on his old Mopars. The stuff he had was from Permatex. I imagine any decent parts store would carry it.

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