well we figured out why the blaster hasent been running right the rings are worn out we found that out last night at the race (by the way i came in 2nd out of 5 racers) but we were parked on a hill so i could watch people race and i had to scotch the wheels so the bike wouldent roll down while its in 1st gear and the hill wasent very steep at all so im probably gonna be building it my dad was talking about a 240 kit