hey guys i have a warhead evo that ive had for about 6 months now... i got it really cheap from a friend and i figured id mess around with it... i know alot of people think they are total junk and to not even mess with it but ive had pretty good luck with it.. only problems ive had is that it doesnt hold a tune very well and i ran it into a sucker rod fence and broke a shock tower.... im looking to swap the motor to mayb an axial .28 or something about the same size... what do you all reccomend? i also have a tmaxx 3.3 and a nitro sport that i mess around with. my maxx is definitely my favorite but my buddy has a savage 25 and i wanna racing him with my warhead... thanks