On every backdrop except the garage, in the right bottom hand corner is a tiny icon of a piston. If you click this, a switch panel will come up, allowing you to change the height of your car. Lowering the front & raising
the rear drasticly improves drag racing performance.
To get way cool cheat cars, type in random words as the vehicle identification number.
Hint: a good one to try is 'COMPUTERGAME'.