Quote:
Originally Posted by lincpimp
You can run smaller pinions, but you may find the motor undergeared, and it may run warm because of that. Otherwise it should be fine. If I were to buy a savage flux I would run 5s lipo and regear it to do around 42-45mph. That would most likely mean dropping 2 teeth on the pinion to a 23t. You can run it however you want, just take temps regularly and you will see what is not working. If you plan to run 6s, I would gear down a few teeth. Then keep an eye on the batts and if they get too hot you will need to drop a few more teeth. A MT on 6s that is geared for more than 55mph is generally a handful. That is why most of us gear for 45mph or so.
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The Flux already does 41mph on 4S with a 20T pinion and a little tire ballooning. Going to 5S, you'll want to drop 2T-3T from the 20T to get back down in the mid 40mph range if you account for ballooning.