38 ford

Is the 454 crank pulley on a 71 with power steering and air a two or a three groove pulley? What I have now is a two groove with a 1/2 inch spacer between it and the crank. The belts still need another 1/2 inch to line up properly.
Thanks for any help!
Jim

GDaina

go to Factory Correct and post the your question there

Larry B.

You need a three groove pulley on the crank.