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Subject From UUC's site a maker of pulley's for BMW's >>
     
Posted by SlicktopTT on January 23, 2009 at 9:00 AM
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In Reply To Actually, most of the power gained is from the weight posted by BigTDogg (MA) on January 22, 2009 at 05:57 PM
     
Message "WARNING: Some companies have been marketing replicas of UUC's original pulley design, but advertising them as superior due to "light weight". This clearly shows these replica manufacturers do not have an understanding of the underdrive concept... weight reduction is not a factor in producing power with underdrive pulleys... the gain comes from reducing the accessory speed, not from less rotating mass."

I also found this article with dyno results of just a lightened pulley. Gained only 2hp with a 4lb loss in weight.

[ http://www.importtuner.com/tech/powerpages/0702_impp_honda_fit_performance_modifications/unorthodox_crank_pulley.html ]

So somebody is wrong. I'd be pisse if I spent that kind of money on a lightened pulley and only got 2hp.

     
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