At one time it wasn't unusual for a hot rod's emphasis to be strictly based on performance; the goal may have been top speed on the dry lakes, or a low elapsed time at the dragstrip, but proper ...

Nelson Ireson October 18, 2011 Comment Now! The Shelby Supercars Tuatara is steadily progressing through its development process, with the latest work being done on selecting the final gear ratios for ...

Vehicle speed (mph), engine speed (rpm), tire diameter (inches), trans gear ratio, and rear axle gear ratio are all interrelated. If you know four out of five of these values, you can determine what ...