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Old 12-15-2009, 09:21 PM   #9
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Join Date: Oct 2008
Location: San Diego
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Quote:
Originally Posted by Adam
Did you happen to take a picture of the new and old pulley next to each other or weigh them?
Nope.

Quote:
Originally Posted by Adam
Is there a reduction in size, weight or both?
Both. I bet you're gonna ask me to quantify it for you, but I can't.

Quote:
Originally Posted by Adam
Why only change the crank pulley and not all the accessary pullies, seems like there would be a more profound effect and free up some more hp?
I'm not sure how much you can underdrive each specific system - but underdriving the crank pulley does them all at once, rather than having to replace each accessory pulley. I'll have to defer to the experts - like Jaay, Jake, and others - I'm just a guy who bought one and installed it.
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1999 Carrera 4 • Aero kit • 4" UD Pulley
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