Alternator - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**old51sedan** · 08-16-2020, 10:23 AM

I'm installing VA in my truck, and VA told me I need to update my Alt. It has a 30 or 37 amp on it now, was told I should go to at least a 60 Amp. Andy 4639 was just talking on another post about a Alt from an 85 Buick which would also eliminate my Voltage reg. I curious how many amps that would be and if that would bolt right up (mine has a double pull) line up with my other pulleys. Sounds like I could end up with a better system all the way around. My truck is running and charging fine at the moment, but have not run the air yet.

08-16-2020, 10:23 AM	#1
old51sedan Senior Member Join Date: Oct 2015 Location: Williamston, Mi Posts: 878	Alternator I'm installing VA in my truck, and VA told me I need to update my Alt. It has a 30 or 37 amp on it now, was told I should go to at least a 60 Amp. Andy 4639 was just talking on another post about a Alt from an 85 Buick which would also eliminate my Voltage reg. I curious how many amps that would be and if that would bolt right up (mine has a double pull) line up with my other pulleys. Sounds like I could end up with a better system all the way around. My truck is running and charging fine at the moment, but have not run the air yet.



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