Troyer pulleys - Power Hungry Performance Forum

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Troyer pulleys

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2004 to 2008 F-150 and Mark-LT
4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs.

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Sat, July 9th, 2011, 07:17 PM

Longshot270 Longshot270 is offline

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Quote:

Originally Posted by gusto

whats an overdrive pulley and where do i get one. what changes do i have to make to accommodate this overdrive pulley

It is the opposite of an underdrive pulley. Rather than make the alternator shaft spin slower (reducing load) it makes it spin faster. It basically cancels out the underdrive pulley kit's effect on the alternator so no adjustment will be needed.

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