Underdrive Pulleys
Moderator: martauto
-
Rinx
- E30 Zone Newbie

- Posts: 68
- Joined: Thu Jan 05, 2012 11:00 pm
Is anyone running underdrive pulleys on a M52 here? Just wondering if they are worth the $$$ and what sort of gains they provide. I already have a lightened flywheel so it revs up nice and freely so I expect the pulleys will not really help much if at all.
