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Underdrive Pulley: Useless?

Originally Posted by conquistador I went against my ole man's recommendation and bought UD Stillen from Elmo370z http://www.the370z.com/parts-sale-pr...ml#post3064080 I hope my harmonics aren't affected It's not a matter of "it

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Underdrive Pulley: Useless? Underdrive Pulley: Useless?
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Old 12-23-2014, 08:20 PM   #16 (permalink)
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Originally Posted by conquistador View Post
I went against my ole man's recommendation and bought UD Stillen from Elmo370z

Stillen U.D. Crank pulley

I hope my harmonics aren't affected
It's not a matter of "it might affect".... it will absolutely be affected

All lightweight crank pullies completely remove the harmonic dampener. It's a bad idea
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Old 12-23-2014, 10:43 PM   #17 (permalink)
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It's not a matter of "it might affect".... it will absolutely be affected

All lightweight crank pullies completely remove the harmonic dampener. It's a bad idea


Lightened pullies are a bad idea if this a motor that is used for any period of time. Perhaps if they made Titanium pullies that retained the dampener, I would consider it. Otherwise, no thanks. Turboes, Intake/Exhaust, Cams, Tuning are all better options than pullies to me.............
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