Quote:
Originally Posted by 601HP
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.