Unorthodox Racing Underdrive Crank Pulley

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Sep 1, 2004

cubanmike26

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Unorthodox Racing Underdrive Crank Pulley

Does anyone here have the Unorthodox Underdrive Crank Pulley installed on his/her Civic? I saw it the other day at a local shop and I was wondering on the performance of this product. Supposedly you can gain up to 5-7 HP with it. Any feedback is appreciated

Sep 1, 2004

streetglower

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Search next time please, this has been covered before

http://www.7thgencivic.com/forums/sh...ve+crank+pully

Sep 1, 2004

cubanmike26

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You are right, forgot to do that. Thanks for the link.
Mike.

Last edited by cubanmike26; Sep 1, 2004 at 04:48 PM.

Sep 13, 2004

jdm_bb

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yes i have the crank pulley installed, and it does make more torque.

Sep 13, 2004

FuzzBeC00L

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u dont need it man

Sep 13, 2004

gearbox

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BAD BAD BAD!!!!! DO NOT get any aftermarket crank pulley if you value your engine.

Sep 16, 2004

cubanmike26

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yeah I've read on other threads that you can really mess up your engine with this pulley. Forget it, not worth the risk.

Sep 16, 2004

4drcivic2k1

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the way the crank pullies work on the D series motors is that they have the harmonic damper built into it. What this does is dampen the vibrations in the crankshaft and if you dont have anything to do this you have the possibility of making your oil pump become unfriendly with itself.