D_Eclipse9916 Posted May 17, 2011 Share Posted May 17, 2011 According to the rules im allowed a final drive ratio modifcation. There is also a +1 modification for 5) Changed or modified limited slip differential (or welded/locked OEM LSD) +1. I assume if I changed my rear differential from 3.23 to 3.64, would that count? Id also be getting new clutch packs in it (aka a rebuild). Its a 99 M3 so its already got the stock LSD, but I would be changing the ratio. Quote Link to comment Share on other sites More sharing options...
obzezzed350 Posted May 17, 2011 Share Posted May 17, 2011 The gear ratio change is 0 points. If the clutch packs are OEM or equivalent, then I would see that as simple maintenance, so no +1 there. Quote Link to comment Share on other sites More sharing options...
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