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Old 07-13-2017, 12:14 PM   #1
smokepole
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Join Date: Sep 2016
Location: upstate NY
Posts: 15
Alternator clutch

I picked up an extra 78 amp alternator at the local pick-a-part and have been searching / checking prices to rebuild and upgrade to 100 amps. While looking at replacing the pulley, I noticed most new vehicles use a slip or one way clutch to drive the alternator with the serpentine belt. My truck has a Muncie PTO pump drive on it and squeals for a minute after starting.
Does anybody use a newer alternator with a pulley clutch or would it be possible to retrofit one to my 12SI ?
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