Originally Posted By vc360
Originally Posted By RAY1969CARS
Originally Posted By vc360
I have one and it's been making between 750 and 800 aspirated, it's a little thin at 4.100.


Wow that's a lot of power was it a 48° block or 59


Its an R block first generation 48 with W9's. Its been 139 at 3520.



Did you push the lifter boars ??? I was told not to do it that they were to thin