1977 Pontiac Lemans Alternator

Tiny
77CANAM
  • MEMBER
  • 1977 PONTIAC LEMANS
  • V8
  • 2WD
  • AUTOMATIC
  • 67,000 MILES
Can I replace my 63amp alternator with a 100amp? I have a after market stero system installed but it does' nt draw very much. Can this change hurt anything?
Thursday, May 20th, 2010 AT 7:38 AM

1 Reply

Tiny
JIM SHIRRON
  • MECHANIC
  • 77 POSTS
If your 100 amp alternator will fit the original brackets OK, and the belt lines up, there shouldn't be any problem. It only has extra capacity when needed. I would probably make the change myself. There's nothing wrong with a little extra juice on hand.
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Sunday, June 20th, 2010 AT 6:18 AM

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