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10.18.2007, 07:22 PM
Well, what are you shooting for speed-wise? And what is the approximate weight?
Truggies have larger tires, which is like adding a tooth or two. And since you're running a 46T spur, that makes for fairly tall gearing for a truggy. So, I'd start with 12-13T pinion and see how things go. Watch temps and adjust accordingly.
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