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 ...

However, a 7.17 gear set is not as strong as a 4.56 set, or any higher ratio for that matter. If high horsepower and high rpm are used in ... to know your tire size. True tire size is usually ...

Correcting the gear ratio for compatibility with tire size allows engine speed to return to the proper rpm range and the transmission into the correct gear for the speed being traveled (like stock).

The tire size is P245/55R19 Bridgestone Dueler ... The car drove very smooth, and the manual transmission gear ratio kept the engine at the proper RPM range. The clutch pedal was very easy ...

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 ...