O-ringing?

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Jan 21, 2003 | 10:15 AM

rob-ss

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Launching!

Joined: Mar 2002

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From: Bel Air, Md.

O-ringing?

At what hp/compression level does it become necessary to o-ring an ls1 block? Thanks.

Jan 21, 2003 | 11:30 AM

ls1290

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From: Colorado

Re: O-ringing?

I believe that it is not a issue of hp or compression level, but rather one of cylinder pressure. Increased cylinder pressure from FI or N2O usually needs the heads or block to be O-ringed.

Jan 21, 2003 | 01:20 PM

HITMANSS

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From: Gambrills, MD

Re: O-ringing?

One reason to o-ring the block/head is to avoid blowing head gaskets. Unfortunately, the next thing to go is the ring lands. So, I would use forged pistons too.

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