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Formed-in-place Gasket

A gel-like material that forms a gasket when clamped between two surfaces.

Forming

Making any change in the shape of a metal piece that does not intentionally reduce the metal thickness and produces a useful shape.

Forming Charge

The initial charge applied to a new battery before use.

Formula Car

A single-seal, open-wheeled race car built to a particular set of specifications.

Formula Ford (FF)

An entry level, highly competitive class of racing car with a stock 1,600 cc engine.

Formula Libre

A type of road racing open to all without any limitation or restrictions on engine size, bodywork, or other design features.

Formula One

A single-seat, open-wheeled car for international Grand Prix racing.

Forward Bias

Current flow in normal direction.

Forward Clutch

A clutch that is engaged whenever the vehicle moves forward, controlled by the valve-body forward circuit.

Forward Rake

A car having a lower front than rear, to create an extra down fore at high speeds.

Forward Sensor

A sensor used in air-bag restraint systems.

Forward Shoe

A term used for leading shoe.

Forward Voltage

A voltage applied across a semiconductor junction in order to permit forward current flow through the junction and the device.

Fossil Fuels

Fuels formed underground from animal and plant matter by chemical and physical change, such as coal, petroleum, and natural gas.

FOTCC

An acronym for Fixed orifice tube cycling clutch.

Foul

To leave before the green light in drag racing and be disqualified.

Four Banger

1. A four-cylinder engine. 2. A vehicle equipped with a four-cylinder engine.

Four By

A term used for 4x4.

Four Cammer

A V-type engine with dual overhead camshafts on each cylinder bank.

Four Cycle

A term used for four-stroke cycle.