Originally posted by lt1s10
pro, i think youll need 4" to 4.5" from the tip of the crankshaft. looks like you have 4.5 from the block. i dont have anything to go by right now but far as i know the belt pulley will be flush with the end of the crank and then the 3" blower pulley will bolt to that
I'm close, little more rearranging is in order.