Quote Originally Posted by pat mccarthy View Post
with 510 your with 1.6 rocker would be 034or so 544 lift watch you push rods slots or holes in the head that they will not hit with the 1.6 arms your spring rate could need to be move up
Realy I didn't think it would increase it that much. If it wouldn't increase the hp/tq that much I think I would stick with the 1.5.

Oh my lift right now is only 436 the 510 is what the heads support.