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Underdrive Pulleys question

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Old 05-04-2007, 02:29 AM
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svt_97cobra
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Default Underdrive Pulleys question
I am looking at some bbk aluminum underdrive pulleys for my mom's 02 gt, and someone asked if they were the piggyback style, What does that mean?
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Old 05-04-2007, 02:32 AM
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Nitti00GT
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Default RE: Underdrive Pulleys question
Dude idk, it might have been me asking that. I just got mine along with LTs and you sure do feel the difference.
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Old 05-04-2007, 02:34 AM
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newb2000GT
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Default RE: Underdrive Pulleys question
Piggyback means you need to use the stock harmonic balancer bolted to the new pulley or "piggybacked" on it.

Non-piggyback styles like Steeda are a complete replacement as they have the piece integrated into the new part and is a direct swap for the old unit.
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Old 05-04-2007, 02:34 AM
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Default RE: Underdrive Pulleys question
Stay away from Piggyback style UDP's. Good read on the subject :

http://www.miracerros.com/mustang/pulley_tech.htm


E.

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Old 05-04-2007, 02:35 AM
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Nitti00GT
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Default RE: Underdrive Pulleys question
Ok gotcha, that's what I was thinking. Which is better though?
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Old 05-04-2007, 02:46 AM
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svt_97cobra
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Default RE: Underdrive Pulleys question
Ok thanks
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Old 05-04-2007, 03:45 AM
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CoolAid
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Default RE: Underdrive Pulleys question
ORIGINAL: 00TropicGreenStang

Which is better though?
Steeda FTW, Period dot.
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Old 05-04-2007, 06:52 AM
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white venom
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Default RE: Underdrive Pulleys question
steeda ftw!!! i own em my self
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Old 05-04-2007, 09:17 AM
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lizzyfan
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Default RE: Underdrive Pulleys question
UDP=waste of money!
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Old 05-04-2007, 01:43 PM
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wildazme
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Default RE: Underdrive Pulleys question
piggy backs are fine had them on my car for years and no problems
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