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2013-14 Shelby GT500
2013 GT500 black upper pulley?
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<blockquote data-quote="PistolWhip" data-source="post: 12300871" data-attributes="member: 30361"><p>I've seen numerous accounts of weighing the balancers and the results have always been as blackshelby listed. I've never heard anyone other than IW claim that the IW pullies are lighter than the stock one. </p><p>I don't think the minimal amount of weight we're talking about is going to have a dramatic affect on power either way; I think the fact that you get more surface area for the belt to wrap onto coupled with the higher rate of acceleration from the larger lower pulley is what creates your torque increase. 3 lbs is 3 lbs, but 3 lbs faster and earlier in the RPM range means more power across the board and more importantly more torque in the lower RPM range where a roots/twinscrew blower shines.</p></blockquote><p></p>
[QUOTE="PistolWhip, post: 12300871, member: 30361"] I've seen numerous accounts of weighing the balancers and the results have always been as blackshelby listed. I've never heard anyone other than IW claim that the IW pullies are lighter than the stock one. I don't think the minimal amount of weight we're talking about is going to have a dramatic affect on power either way; I think the fact that you get more surface area for the belt to wrap onto coupled with the higher rate of acceleration from the larger lower pulley is what creates your torque increase. 3 lbs is 3 lbs, but 3 lbs faster and earlier in the RPM range means more power across the board and more importantly more torque in the lower RPM range where a roots/twinscrew blower shines. [/QUOTE]
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2013-14 Shelby GT500
2013 GT500 black upper pulley?
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