Originally Posted By fbs63
I always thought the lifter bores needed to be spot faced on the bottom for mushroom tappets?



My 440 block didn't but I tend to spend a few days deburing and grinding on my engine blocks before assembly and like I said mine was only around 695 or so lift

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time