any warhead owners have trouble breaking n there super tiger 4.4 engine? i am it wont stay running and one pull on throttle kills my glow plug (ive been through 4 plugs already) i havent been through one tank yet! ( i use traxxas top fuel 20%) any suggestions would be greatly apprecated. i need to get this running i have a friend with a savage that wants me to teach him how to go fast, but its not going at all yet. anyway, help me.