JohnL455 Messages: 4447 Registered: October 2006 Location: Woodstock, IL
Karma:
Senior Member
Good to know on the 78s as higher output. We had the large frame alternator which was avaliable on GM cop cars and if you checked HD alternator in the days of ordering cars. I have a 76 Grand Lemans we ordered with HD alternator and it uses the same large frame 80A