well its a hundred either way if you trade in a .15 or a 2.5 or even a broke 3.3 well mine is 110 w/ pullstart but my friend got rusty 3.3 oh man what a blast its amazing but i think it is worth it but if you do, do a 3.3 conversion you might wanna gear it up real high like 75/24 Integy makes the 75spur but mine will be a little rustler 3.3 friday wen i get PAID