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Author Topic: Alt pulley swap?  (Read 574 times)

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Complete Loser

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Alt pulley swap?
« on: March 23, 2010, 11:54:53 AM »
I just picked up a 130amp alt from Grand rebuilders from ebay. (Awesome folks).

Anyways, it has a slightly larger dia pulley on it than my stock 2.5 alt. Should i swap them, or just leave it?
It seems about 0.15" larger or so.
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Offline Jeffy

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Re: Alt pulley swap?
« Reply #1 on: March 23, 2010, 12:42:52 PM »
Swap them, it's not hard to do.
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Offline Bounty Hunter

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Re: Alt pulley swap?
« Reply #2 on: March 23, 2010, 03:55:54 PM »
The smaller pulley will spin faster and up the alternators output at a given RPM.  They're easy to swap.

If the rib count is the same, it's not that you 'have' to swap, it's still optional.
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Complete Loser

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Re: Alt pulley swap?
« Reply #3 on: March 23, 2010, 09:52:50 PM »
Thanks for the replys. Its a diff rib count also.
I figured i would get more output from the alt from switching, but not sure if the alt would be happy with that.

I will switch it. :)  :thumbsup:
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