Thread: 427 heads
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Old 04-30-2013, 07:26 AM
bill37341 bill37341 is offline
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Join Date: Feb 2012
Location: Harrison, TN
Cobra Make, Engine: Scratch-built 427 MR
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You can decrease compression with a Cometic gasket. I used an .073 gasket to reduce my '27 medium riser to 10.3. Forgot the numbers on my heads, but my block had been cut slightly after being sleeved. The gaskets are expensive, but you can "customize" the compression with them. Good luck, Bill.
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