i ive been having this problem with acceleration.
i have a hot bodies .18 engine with a 20 tooth bell and
a 66t spur. at first when i had these problem i had the replace the gear in my tranny. so they are new. but now, when i accelerate, the engine is about 1/3 rpm, then it gradually takes off. it will sit there and rev for a minute...... then slowly take off. its weird. any comments. i can give yall more info if needed, im stumped.