Join Date: Jun 2001
Location: Cedar Rapids, IA
alternator pulley sizes
I'm installing a new crank alternator pulley. I'm replacing a 4.5 inch with a 6.5 inch. The 4.5 inch wasn't driving the alternator fast enough at an idle. What would be a good size alternator pulley? What's a max rpm for an alternator?
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67 Camaro, 454, TH400, 9" 4.11's
Last edited by camaro man; Mar 19th, 08 at 06:23 PM.