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Old 12-06-2012, 04:22 PM
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Quote:
Originally Posted by 601HP View Post
Mine:
11.0 to 1.
.639" lift on the intake.
.667" lift on the exhaust.
252 & 262 duration at 0.050".

It ain't much at 2,000 rpm, but hold on and make certain you're facing straight ahead at 4,000!

David
10.33:1, .613" / .633", 244-255 @ .050".
Same characteristics...

OP-if you scrimp on the heads, you shoot the combination. The only grunting you'll have is wishing you had made an efficient combination.
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