03-13-2012, 08:06 PM
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#1 (permalink)
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A True Z Fanatic
Join Date: Dec 2011
Location: Maryland
Posts: 1,112
Drives: 2010 370Z NAG 7AT
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Quote:
Originally Posted by kcquinn49
I read that too, Sixpax. It was in the weight reduction thread, which I've read a few times now. It was for overall weight, and is like you said, equivalent to HP gain but not actually a gain.
For rotational mass reduction though, it will also have the equivalent gains due to lower weight, but also - from what I've read - will actually deliver more HP to the wheels. And at a better ratio than 10 to 1. Nobody though has posted before and after numbers. I may have to be the first to try it.
The lightweight pulleys are about 4 pounds less weight and deliver about 5 more HP to the wheels.
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My bad ... I finally focused on your "rotational mass" reference ... I was hung up on any weight loss ... seems easy to test if you dyno with the rear wheels you have, and then slap some lighter ones on.
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