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Old 12-03-2007, 01:34 PM   #1
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Default Alternator differences between 2000+ W-body and H/G-Body

So yeah, are there any differences between the alternator, say on a GP, Monte Carolo, and Impala vs. a Bonneville? I'm speaking of a non-supercharged engine here, just the basic L36.

And if there are differences, what are they?

Thanks.
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Old 12-03-2007, 01:49 PM   #2
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not to my knowledge......the GP Alt Bracket and the Bonne Bracket i know are the same
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Old 12-03-2007, 01:57 PM   #3
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Hmm... ok. Thats what I was figuring.

The parts store has them listed as different prices and different model #'*. If I can save a few bucks, I'm going to do so.
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Old 12-03-2007, 04:31 PM   #4
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Check the amp ratings...H-body'* may have come with a higher rating than W-body.
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Old 12-03-2007, 09:43 PM   #5
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Yeah, the H'* are 105, the W'* are 102.

But... I can get an aftermarket HO alternator for much less if listed under a W than an H. Not sure the reasoning on this, however.
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Old 12-03-2007, 09:46 PM   #6
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what about the clocking, is that the same?
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Old 12-03-2007, 09:50 PM   #7
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Quote:
Originally Posted by samueljackson
what about the clocking, is that the same?
Not a clue. Thats why I'm hoping someone might know, mainly becaue I really just hate to return things.
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Old 12-03-2007, 09:54 PM   #8
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Quote:
Originally Posted by slick94prix
Quote:
Originally Posted by samueljackson
what about the clocking, is that the same?
Not a clue. Thats why I'm hoping someone might know, mainly becaue I really just hate to return things.
i would think them to be the same, but i m not sure

you could compare at ur local parts store
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Old 12-03-2007, 09:57 PM   #9
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Quote:
Originally Posted by samueljackson
Quote:
Originally Posted by slick94prix
Quote:
Originally Posted by samueljackson
what about the clocking, is that the same?
Not a clue. Thats why I'm hoping someone might know, mainly becaue I really just hate to return things.
i would think them to be the same, but i m not sure

you could compare at ur local parts store
IMO, I just couldn't see them changing an alternator on the same engine from platform to platform, it would just make no sense.

I guess I should just run into the parts store and compare the two.
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Old 12-03-2007, 11:19 PM   #10
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Quote:
Originally Posted by slick94prix
IMO, I just couldn't see them changing an alternator on the same engine from platform to platform, it would just make no sense.

I guess I should just run into the parts store and compare the two.
but being on the same eng isnt surefire that theyre the same. cuz its still 2 different bodies all together. the eng harness' are different, so the output wire and regulator harness may need to be in a different location. but as far as the actual mounting, same casing.

so ya, best thing to do atr this point would be to compare ones at the parts store.

and should it happen to be a different clocking, take note of the location on the wire locations.

cuz i have 140 from a cadillac on my olds that has a different clocking than the original. but the harness had plenty of room to safely connect.
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