Underdrive pulley

12-14-2011, 09:02 PM

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Underdrive pulley

Anybody have any experience with dyno numbers going from a stocker to a UD pulley on like a heads/cam car? Any benefits really?

12-15-2011, 12:13 AM

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mmmm according to your sig, you already have full bolt-ons of which an underdrive pulley is one.
5hp+ It all adds up in the end.