View single post by chris

Posted: Wed Jun 24th, 2020 03:52 am

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chris
Wrench spinner

Joined: Thu Oct 5th, 2017

Location: Leigh On Sea

Posts: 635

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I only use Payen (Felpro) composite gaskets, never had an issue, even on 11 to 1 CR race engines.

The rust on the fire ring suggests to me that either the head was not torqued down correctly or the block surface is not flat. I always have the block and heads skimmed flat when rebuilding or replacing head gaskets and always with a grinder, not a flycutter.

Put a straightedge across here and see if there is light under it in this area -

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