Quote:
Originally Posted by 907dave
FWIW I had a set of MARCH underdrive pulleys on my F-150 (5.0) and hated them. Alternator wouldn't hardly charge at idle, parking lots were a pain because of the reduced power steering assist, so I ended up giving them away. Just sayin........
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That's a good point also.
Some of the udp kits out there are a little bit to much underdriven.