Originally Posted by inferno13

ive been racing for 4 years, not really new to nitro, thats all i run, but learn somthing new everyday! no air leaks, i have had 4 differnt new tanks, headbolts tight, i have done absolutly everything! i have tried lean hsn rich hsn, have read through the go support page listed a few pages back. im stumped!!! still has great compression, im going to throw a differnt carb on it tomorrow and see if that does anything. thanks