Wow,thanks guys. That is some great info. I never thought or heard of fan speed before. I was going to use the pump (short shaft) off my 51, 235. I have not bought an adapter yet. I will also check the balancer today to see what size it is. Thx for now.

Glenn,

Scootin thru with a 52,
Good, Economic and Classic
1952 Chevy 1/2-Ton