Al,
My KB has a 45* lifter angle and is a raised cam +.250". They are the stock spacing.
I was told by Larry Olson (EPD) it would help to have the 45* angle with the Predator valve layout.

Mike at Muscle Motors also said it would be better with a 45* angle.


Last edited by Biginchmopar; 05/06/14 01:29 AM.