If you order your cam and heads from Dave , he will suggest a safe compression ratio, quite often these "85cc heads" are just a starting point. He may mill them to adjust compression ratio.
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466 Mike Voycey shortblock, 310cfm SD KRE heads, SD "OF 2.0 cam", torker 2
373 gears 3200 Continental Convertor
best et 10.679/127.5/1.533 60ft
308 gears best et 10.76/125.64/1.5471
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