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04.26.2007, 10:04 AM
i agree with newe.
even if you're running a 72t spur, a 15t pinion is pushing it. there have been too many stories of the hv system blowing with overgearing. i'm not taking any chances at all, and am running 70/12... which on a light truck could be undergeared (my motor was running about 140 degrees and the ESC was only about 85) but have since added a LOT of aluminum.
whatever gearing you use, just monitor your temps closely with a temp gun.
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