Originally Posted by
arm2storm
I'm sure it's just an air leak these engine in general are black and white.
Your not the only one believe me i remember quad racer shutting off in the main a couple times when i raced in ohio. he was standing next to me on the stand.
I had ghost flames going on with mine. Live and ya learn. It works for some people.
A friend of mine got a speed and the case cracked first time on the track and they said we'll sell you another for 300. That's just the way it is though with engines.