Online tools for motorists

Calculate an engine's displacement based on the number of cylinders, bore size and stroke length.

Calculate the amount of power a vehicle has in relation to it's weight.         

Convert torque to horsepower by providing the engine speed (RPM) and torque (lb-ft).

Calculate the required turbo boost pressure for your engine by providing the engine's naturally aspirated power and your target horse power.

Calculate the top speed for each gear by providing the gear ratio, engine speed (RPM) and tyre size.

Visualise different wheel and tyre options by considering the tyre size, wheel width and wheel offset.