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Old Apr 11, 2016 | 02:23 AM
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C6 Curtis's Avatar
C6 Curtis
Burning Brakes
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Joined: Jan 2012
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From: Orlando FL
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Originally Posted by winters97gt
I'm curious how the 58.6 heads will do. I'm thinking less timing. I've decided to run a 3.125 pulley on the car for now and take the 2.85 off. I'll put the 2.85 back on it when the air cools back down and see if I can't crack off some 9.50's.

Thanks for the replies.
I ran 10* on 6 psi made 837. On 8* it made 791 if that gives you an idea. I'm sure we could've added more timing and made gobs more power on the same psi but since I'm on the stock bottom end we kept the timing conservative.

-Curtis
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