I,m only 5.8 and the seat has to be a minimal 6 inches from the backbar(also attached to the seat)as rules state when going faster than 10.99.Will I go faster?Still to be seen,but plan on running mid 10,s with this engine/tranny combo.I,m sure I,ll start out in the mid low 11,s til getting the feel of the car.I,ll be finding out this month hopefully!I have very minimal stuff left to do.:cheers: