I got a traxxas revo with a OS. 21 and I can not get the truck to run more than 8 minutes before the glow plug Burns out the tune is good lots of smoke on take off and high speed I am not running at wot for more than 100 Feet is the motor getting to hot if so how do you make it run cooler o it dose ...

I have a revo with a OS. 21 and was wondering if the motor was to big to race at your track on race night if so what motor would I have to get