LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Copper head gasket or what?

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Old 10-25-2009, 03:54 PM
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Default Copper head gasket or what?

Looking a few months ahead, 383 running 12ish:1 Compression with a lot of spray. What head gaskets to use on a Non O-ringed Head. I was thinking copper but what other options are there? Ive heard of Cosmetic gaskets leaking coolant. Any suggestions?
Old 10-25-2009, 09:19 PM
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Originally Posted by waltsfastz
Looking a few months ahead, 383 running 12ish:1 Compression with a lot of spray. What head gaskets to use on a Non O-ringed Head. I was thinking copper but what other options are there? Ive heard of Cosmetic gaskets leaking coolant. Any suggestions?
I'm using the .029 GM gaskets and am planning on a 200 shot. Depending on your definition of "alot of spray," you might not need much more than that, IMO.
Old 10-26-2009, 12:33 PM
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350, Maybey 400 Shot
Old 10-26-2009, 12:50 PM
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I use a special copper head gasket with the coolant passage seals (built-in). My block is o-ringed and my heads have a recieving groove. Works well with no leaks.
Old 10-26-2009, 01:39 PM
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A stock gm gasket will suffice either the .029 or even a smaller one depending on ur setup.
Old 10-26-2009, 02:49 PM
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Originally Posted by robsquikz28
A stock gm gasket will suffice either the .029 or even a smaller one depending on ur setup.
Not for a 350 shot!
Old 10-26-2009, 04:04 PM
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I Have the SCE Titan self sealing sopper gaskets.. A++++
Old 10-26-2009, 04:27 PM
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I just hate to send the heads off(cause on one around here has the machinary to do it) and oring the heads and block to run wire. Im hoping a good soft copper gasket will seal. Thing of copper it wont blow but they are sometimes hard to seal.
Old 10-26-2009, 04:33 PM
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My cometics never leaked. I will likely be going back with another set of cometics with the new setup.

On the stock gaskets...no sir. Mine were wasted after about 10 hits on the 200 shot.
Old 10-26-2009, 05:07 PM
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with the gaskets i got you dont have to run an O-ring
Old 10-27-2009, 06:46 AM
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Good deal. Ill look into SCe titian gasktes, as well as cosmetic.
Thanks fellas



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