The motor is a tmaxx 2.5 its broken in but this is the thing i went on vacation last week came back. And my lil cousin messed with all the needles i got it all to factory settings hsn and idle but i forgot to tune the lsn but any way i have to stay on the throttle or else it will die and then the plug burns out the bottom of the plug looks like wat it looked like brand new im using 20% nitro plzz help