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Eng

An abbreviation for engine.

Engage

The mechanical or automatic coupling of two members, like the driving flywheel and pressure plate, to rotate and drive the driven disc of a clutch.

Engagement Chatter

A shaking, shuddering action that takes place as the driven disc makes contact with the deriving members caused by a rapid grip and slip action.

Engine

A device that burns fuel to produce mechanical power; to convert heat energy into mechanical energy.

Engine Bay

The area in a vehicle occupied by the engine.

Engine Block

A term used for cylinder block.

Engine Block

A metal form that contains an engine's cylinders, as well as provisions for a cooling system on street vehicles. The various other engine components are attached within the block (e.g., the crankshaft, pistons and connecting rods) or bolted onto the block (e.g., the intake manifold and cylinder heads). Almost all factory engines for street-driven vehicles feature a cast-iron block, but some race engines use an aluminum block.

Engine Block Heater

A device to bring an engine up to operating temperature as quickly as possible, for use in extremely cold climates.

Engine Configuration

Relating to the style and type of engine, such as V-8, pancake, and so on.

Engine Cooling Fan

A term used for cooling fan.

Engine Cooling System

A term used for cooling system.

Engine Displacement

The volume swept within an engine as its cylinders make one stroke, generally expressed in cubic inches, cubic centimeters, or liters.

Engine Dynamometer

Device to measure engine horsepower at the flywheel.

Engine Dynamometer

A machine that measures an engine's horsepower and torque output, as well as a wide variety of other variables. Dynamometers commonly are used to tune an engine, as well as to test various components on an engine, to produce the optimal power at a given rpm or over the entire powerband of the engine.

Engine Dyno

A term used for engine dynamometer.

Engine Fan

A bladed device found at the front of the engine used to draw air through the radiator and across the engine.

Engine Identification Number (EIN)

A code to identify the type of engine found stamped on the cylinder block.

Engine Idle Compensator

A thermostatically controlled device on the carburetor that prevents stalling during prolonged hot weather periods, while the air conditioner is operated.

Engine Management Computer

An on-board computer that receives input from numerous sensors all over the vehicle and uses that information to maintain and adjust engine performance, as well as signal the driver if there is a problem (usually via the check engine light). Some engine management computers feature a removable computer chip, so people who make numerous performance improvements can change computer chips. In other cases, the computer must be removed to be reprogrammed.

Engine Off Natural Vacuum

See EONV.