Well i got her on the road now. My first 2 passenger 12 mile run with small hills and alot of stop signs. I am running 6 group 27s , altrax 450 and the stock 36 volt motor with 8 to 1 gear set . i got home and found the motor case was about 150F . how bad is that for the motor. but i got 39 mph flatland . anyone out there with similar problems