Also... there could be a different problem.
1) If the drivetrain (Tranny, tight gear mesh, seized wheel bearing...) is binding somewhere it could heat the motor from it being overworked.
2) If you have you have an extremely tight race car (pushing in the turns) you can overwork the motor also.
3) Remember, tire size changes your gear ratio.
It all works together, don't just think of each problem on a separate basis.
Last edited by Brian F; July 13th, 2013 at 10:53 AM.