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Idk if this is a dumb question but what is the difference between the lightweight STANDARD and UNDER DRIVE pulleys by stillen?
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03-13-2010, 11:59 PM
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#1 (permalink) |
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A True Z Fanatic
Join Date: May 2009
Location: Kennesaw, GA
Posts: 1,109
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Pulley question...
Idk if this is a dumb question but what is the difference between the lightweight STANDARD and UNDER DRIVE pulleys by stillen?
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2011 WRX STICobb Accessport, Nameless Performance exhaust, COBB SF Intake, COBB downpipe, 20% tint, Work Emotion XD9's |
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03-14-2010, 12:33 AM
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#2 (permalink) |
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Enthusiast Member
 Join Date: Feb 2009
Location: Washington State
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Drives: 370Z Tour MT w/Spt
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The lightweight standard pulley is the same size as the stock pulley but lighter. The underdrive pulley is both lighter and smaller and reduces power to accessories by 20%.
Last edited by jpit; 03-14-2010 at 12:36 AM. |
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03-14-2010, 12:48 AM
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#3 (permalink) | |
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The370Z.com Sponsor
Join Date: Dec 2008
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Quote:
Underdrive pulleys are good unless you're planning to supercharge, then stick with the standard size (or you'd be spinning the blower slower), or if you have some monster sound system, and needed every possible amp out of the alternator, although we haven't seen anyone have any issues with upgraded audio. |
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03-14-2010, 01:16 AM
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#4 (permalink) |
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A True Z Fanatic
Join Date: May 2009
Location: Kennesaw, GA
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Drives: 11 STI Sedan
Rep Power: 18 |
alright cool thanks to both of you for the help +rep
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2011 WRX STICobb Accessport, Nameless Performance exhaust, COBB SF Intake, COBB downpipe, 20% tint, Work Emotion XD9's |
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03-16-2010, 09:48 PM
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#5 (permalink) |
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NOT AN ACTIVE VENDOR
Join Date: Aug 2009
Location: USA
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For a GREAT deal of info on pulley kits, how they work, and what they do for the 370Z, please check out the following thread...
NST (NonStopTuning) 370Z VQ37HR Pulley Kit Review w/ Dyno Charts 
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www.NonStopTuning.com Offering the best in Pulleys, Clutches & Flywheels, Coilovers, and more. Be sure to keep up with us on the NST blog! |
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