Underdrive Pulleys

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Rinx
E30 Zone Newbie
E30 Zone Newbie
Posts: 68
Joined: Thu Jan 05, 2012 11:00 pm

Mon Dec 14, 2020 4:22 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.
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