Underdrive pully?
Posted: Thu Jan 01, 2009 11:04 pmHas any one used one of these and did it really make a difference?
If you can get a used one cheap though, go for it.
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Posted: Thu Jan 01, 2009 11:04 pmPosted: Thu Jan 01, 2009 11:30 pmAny gains will be seen on a dyno, but not felt.
If you can get a used one cheap though, go for it.
If you can get a used one cheap though, go for it.