Originally Posted by
sschultz
Your inconsistent idle might require a hotter glow plug. Or it could be crappy fuel. Your tune might have caused your engine to run in reverse. It can happen....

fair enough then ill invest in to a hotter glow-plug any suggestions/ links?
also any thoughts on
(when the truggy is OFF and i mean the servos it will "free roll" but when i turn ON the servos its like there is a brake that is on until i hit the throttle then it frees up. But as soon as i let the throttle off its like the brakes are on again )