Anyone know the amp rating of a stock alternator?
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Joined: Jun 2001
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From: Enumclaw, WA USA
Car: '96 M3
Engine: 3.2L V-6
Transmission: 5-sp
Anyone know the amp rating of a stock alternator?
Specifically I'm inquiring about a stock alternator for a '91 RS 3.1, but if someone knows all of the available amp ratings for different models, that would be great.
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
if the car has air conditioning, it should be somewhere between 94 and 104 amps.
Thread Starter
Senior Member
Joined: Jun 2001
Posts: 818
Likes: 0
From: Enumclaw, WA USA
Car: '96 M3
Engine: 3.2L V-6
Transmission: 5-sp
Cool, thank Jim. I was trying to figure out if I could get away with a 80 amp battery isolator or if I had to get the 200 amp model.
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