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under run pulleys

990 Views 4 Replies 4 Participants Last post by  Scotty1
Hey, I purchased an under run pulley set, for the 5.0. It came with an under-run crank, an OVER-run water pump, and a stock sized alt. Is this correct, or should I do some complaining? Thank You.
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Just replace the crank and water pump pulley. Dont even think about changing the alternator pulley if your car has the stock alternator (87-93)
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