Main issue is what width belt, so all pulleys need to match up. I'm running alternator on my 261, not an issue but make sure you know how to wire it up to existing wiring. Alt will have a narrow belt/pulley.

Last edited by JiMerit Boltr#43; 04/29/2014 12:56 AM.
It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed