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Re: New project
Heads were unshrouded to 4.100 for 4.125 bore and we used 4.060 gaskets . Smallest was 4.070 so fire ring was in chamber . Once it got enough heat to break the fire ring it pushed compression passed the sealer part of the gasket . Each hole had marks from the chamber edge in the ring . TO get the quench correct we ordered 4.165" .029 . This will be more than enough and only lose 1 CC per hole . Head and block is good . I am about to pull the passenger side head . Ill try and get pics together.
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