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Old 06-12-2012, 07:03 AM   #246
58mm of Bliss
PEI330Ci's Avatar
Join Date: Jul 2003
Location: PEI,Canada
Posts: 4,369
My Ride: 330i, 330Ci
So I'm at my shop this morning digging through my shelves for a part....and I find a custom ATI Harmonic damper I had built for the race car. Here's the thing, it has a 6.8" 6 rib pulley on it.

If you run into issues with belt slip on the SC.....give me a shout. Changing to a larger crank pulley will allow you to run a larger SC pulley which will help with belt slip. I've also got the drive mandrel for a dry sump pump that mates to the ATI damper as well....
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