She's got some power on 12s! You can go with 15s though, controller has enough voltage headroom to bump it up with cells at nominal volt.

u rite mate.... aircraft esc brake ' suck.... wat u see in vids...is mech brake

I did flat the motor shaft....and changed the pinion + spur gears ( 43t with 25t) ...I have just got my Savage run with 6S A123... follow is vid... will have it run on 12S next time..

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at the end..spur gear stripped... bolt loose

Why are you selling the Savage?

well...just got fired...need cash only.....

by the way...last test... truck was up to 85kph.... gud enough to me....

That explains it, sorry to hear about the job, but it's a beauty of a truck and you will miss it when it's gone.