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Old 12-12-2012, 08:36 PM
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While the thumper cam is a bit big for those heads it'll run just fine. The compression is what worries me, even on 93 octane that compression with those heads will be hard to pull off. I hope you have a lot of gear and a light car.

Dropping the compression down to 9.5:1 would be ideal if you plan on running 87 octane.
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