Another name for a viable racing lane on the race track. Read More »

Gross Vehicle Weight Rating refers to the maximum loaded weight of a vehicle, including fuel, fluids, and full payload. Read More »

Electric elements that heat up the cylinders of a diesel engine to assist cold starting. Turning the ignition to “on” switches on the glow plugs, which usually need between two and ten seconds to operate, depending the temperature of the engine and the outside air. Read More »

The relationship of engine revolutions to drive-wheel revolutions, expressed as a ratio. The transmission allows gear ratios to be changed, while gearing at the differential (called the “final drive ratio”) is constant. Gearing is expressed as a ratio, such as 3:1 (three input revolutions for every one output revolution). The higher the first number, the lower the gearing. Low gearing ... Read More »