Come to think of it, those lifters did clear on my old 360 block but not on the mag roller block.

Id have yours rebuilt as you mentioned.




Originally Posted By Bad340fish
I have a 360 with those lifters in it. It didn't require any clearancing but it is tight, no problems though. My cam is .640ish lift and I had to tube the block.

The lifters BPE mentioned are supposed to be nicer, and the moved link bar obviously helps.