The electrical devices and circuits (typically a rectifier / regulator and stator) that produce and deliver the electricity to charge a motorcycle battery. Read More »
Downforce
The distribution of air pushing down on a race car. The more downforce, the faster it goes. Read More »
Facia Or Fascia
The dashboard of an automobile. Read More »
Factory Options
Optional equipment installed at the factory, as opposed to dealer-installed or ‘aftermarket’ equipment. Read More »
International Motorsports Association (IMSA)
Sanctioning body of sports car prototype racing in the United States. Current categories include World Sports Cars (WSC) a series for purpose-built race cars, GTS-1 for vehicles resembling street cars but which have custom-made chassis and highly modified engines and GTS-2 which are race cars made from street cars but with modified engines, transmissions and suspensions. Major events sanctioned by ... Read More »
Lubrication
Four-stroke engines continuously circulate oil which lubricates and cools the engine. Two-stroke engines use separate oil to lubricate the transmission and the crankcase/piston. Read More »
Master Cylinder
Holds the brake fluid for a disc brake system. Read More »
Open-Ended Lease
A lease in which the lessor is not responsible for the value of a vehicle when the lease is done. Under this arrangement the lessee is responsible for the difference between the current actual market value at the end of the lease and the residual value. Also known as a “finance” lease. Read More »
Pit Stop
When drivers maneuver their racecars into the pit area for fuel, tires and mechanical adjustments during a race. Read More »
Posi (or Positraction)
GM’s designation for their various Limited Slip Differentials. Became almost generic and was applied to different technologies. Not very active in current models. Read More »
