- C -

Chimney Effect

The tendency of air or gas to rise when heated.

Chip

1. A nick in paint work. 2. A micro-processor part. 3. Metal removed during a milling or machining process.

Chirp Rubber

To quickly shift gears during hard acceleration, so the tires momentarily break loose and leave slight streaks of rubber on the pavement.

Chirp The Tires

A phrase sometimes used for chirp rubber.

Chit Box

A recreational vehicle, such as a mobile home or trailer.

Chizer

A term often given to a Chrysler product.

Chlorinated Hydrocarbon Solvents

A class of chemical compounds that contain various combinations of hydrogen, carbon, and chlorine atoms; best known as a class of cleaning solvents.

Chlorofluorocarbon (CFC)

A family of chemicals that includes the automotive air-conditioning refrigerant, R-12. Designated CFC, they have been blamed for a deterioration of the Earth's protective ozone layer and have been phrased out of production by international agreement.

CHM

An acronym for Cabin Heater Module (Chrysler)

CHMSL

Center high mount stop light

Chmsl

Center high-mounted stop lamp. See third brake light.

Choke

A manually or thermostatically controlled device mounted to a choke shaft having vanes at the mouth of a carburetor that closes when the engine is cold. This increases the gasoline content in the air/fuel mixture that aids in starting when fuel evaporation is low.

Choke

A mechanism, either manual or automatic, whose purpose is to supply an enriched fuel mixture to a carbureted engine to aid in cold starting. It effectively reduces the amount of air allowed into the intake manifold through the carburetor.

Choke Heater

A device that warms the thermostatic coil of an automatic choke, causing it to open quickly. Later-model carburetors often have an electrical heating element and/or a timer circuit.

Choke Piston

A vacuum-controlled piston used to partially open the choke when the engine starts.

Choke Plate

A butterfly valve that closes at the inlet of the carburetor to enrich the air/fuel mixture, as when starting the engine.

Choke Pull-off

A vacuum motor that opens he choke plate during full acceleration.

Choke Pull-off

A vacuum motor that opens he choke plate during full acceleration.

Choke Rod

A rod connected to the choke plate.

Choke Rod

A rod connected to the choke plate.