undeerdrive pulleys or mass air senor

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July 27th, 2007, 11:41 AM

silverado01

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undeerdrive pulleys or mass air senor

Im tryin 2 fig out what one for my 01 silverado. witch one give more Hp& tor

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July 27th, 2007, 2:27 PM

donvier

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RE: undeerdrive pulleys or mass air senor

are you running an aftermarket stereo? From my understanding a UDP will hurt the performance of it.

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July 30th, 2007, 4:55 PM

silverado01

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RE: undeerdrive pulleys or mass air senor

yea a big one

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