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Underdrive pullies

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Old 08-23-2006, 08:25 AM
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Default Underdrive pullies

Do you guys think they are worth the money? I think its the only bolt on that i havent done yet. I found a set on ls1 speed for about 220 which gives me a crank and alt pulley. Whats do you guys think?
Old 08-23-2006, 08:57 AM
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Underdrive pullies will net you about 8-10 rwhp, if it's the only bolt-on your missing I say do it.
Old 08-23-2006, 08:43 PM
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hp gains vary depending on stock to modded motor. greater gains when stock. i think 220 could be put towards better things.




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