Pontiac Firebird 1967-2002 Birds of a feather flock together

underdrive pulley

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Old 08-12-2004, 03:08 PM
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Default underdrive pulley

i want to install an underdrive pulley on my 2000 pontiac Trans Am. Can anyone recommend a good brand at a good price and who can install it
Old 08-13-2004, 07:10 AM
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take a look at www.thunderracing.com
Old 09-01-2004, 10:14 AM
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slp. they just came out with a new crank pulley that gives 10 rwhp.
Old 09-01-2004, 12:45 PM
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^ Do you have any dyno graphs or tests on it? If that's true, then I really wouldn't mind looking into that one.

I just hear too many horror stories about underdrive pullies to really have me convinced to even TRY one, cuz they aren't cheap and aren't fun to install/uninstall.
Old 09-01-2004, 01:30 PM
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A March or ASP will work.



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