i just had a question on the truck not steering straight. does the truck on takeoff do the rear wheels sink down and the front lift off the ground with one wheel off the ground higher than the other? if so then you need to adjust the angle that the wheels sit(/ \, or \ /) while the front of truck is off the ground. i have a truck simmilar and the truck would tork roll to the left, after about a week of adjustments to the front end i finally got it to go straight. the truck still turns a little to the right just not as bad and it is steerable.