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Old 07-09-2026, 11:02 AM
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Quote:
Originally Posted by SD455DJ View Post
Then 350 had its own unique head gasket for the smaller bore diameter. I don't have any information on the thicknesses unfortunately.

Dennis
The 350 block has chamfered cylinders for the large valve heads. That may be contributing to the actual/calculated compression ratios, as well as necessitating the special head gasket.
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