Quote Originally Posted by erik erikson
Pat,you are right about the 565.
The 4.600 bore really helps to un-shround the valves.
I.M.O.,the BMF are some of the very best out there.
Why do they call them BMF any-way???
BIG mother fukers they get some big numers out of them heads.i work on a 632 with a set on it. but it is not running but should be BAD