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Old 01-24-2002, 04:14 PM   #1
pxcr_600
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Join Date: Nov 2001
Location: Elk River, MN
Posts: 44
Default underdrive pullies

Hey guys, would adding underdrive pullies to my 85 GT make a big difference? HOw about a good intake? How much would these things cost and how much HP would i gain? Mine is stock and my goal is about 300 HP. Any idea's, exlude the NO2. I will save that for later.
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