C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Who has installed underdrive pulleys? How much and did it make a difference?

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Old 08-05-2001, 08:11 PM
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Wordguy
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Default Who has installed underdrive pulleys? How much and did it make a difference?

Also where would you get these?
Old 08-05-2001, 08:39 PM
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18carfan
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Default Re: Who has installed underdrive pulleys? How much and did it make a difference? (Wordguy)

Me and none - IMO. Luckily, a friend gave them to me so they didn't cost a dime. I suppose that theoretically, there had to be some power increase but I didn't notice it at all. The do look a lot nicer than my old pulleys ;) . -Jeff
Old 08-05-2001, 10:47 PM
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65Z01
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Default Re: Who has installed underdrive pulleys? How much and did it make a difference? (Wordguy)

I installed the crank pulley only from the March 3-piece set and knocked .1sec off my ET.

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