Quote:

How about Diamond making pistons for the 4.15" crank?

I.e. a 470? Forget the 431!

CH w/4.15" arm and 6.385" short rod is: 1.547".

PERFECT!



Will that work?
with the short rod(6.385) and a big stroke(4.15"-4.25") the pistons might come to far out of the bottom of the bore.