Hello all i am running a stock 3908 with 20/68 gearing with . . . 5000 mah 2 s lipos and my top speed is 24.8 Mph using a garmin etrex 10 gps for speed checking , the traxxas site says i should be getting 40 + mph this is way off any help would be greatly appreciated i also have full telemetry setup but cannot figure out the final drive ratio!
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