A description of a car with the manufacturer's body and engine numbers matching, indicating that it's the engine originally installed in the vehicle at the factory. It's of varying impo [..]

A high-performance car that's legal to drive on the street.

A type of adjustable suspension that contains rubber bags that are inflated and deflated, using an on-board compressed air system, to raise or lower the vehicle's ride height. See also hydraulics [..]

It all depends on who you ask. Generally it's used to mean a car that's 25 to 30 years old or older, but hobbyists, car clubs, licensing bureaus and insurance companies are all free to set t [..]

A bagged car has an air-ride suspension. It's also a verb to describe installing the system: "I bagged my car."

A vehicle, usually an older antique, that is in unrestored condition, looking as if it had just been pulled out of long storage in a barn. It is becoming increasingly popular to restore the mechanics [..]

The bottom part of the engine: crankshaft, connecting rods and pistons. Also called the bottom end.

General Motors, Ford and Chrysler. The name originated in the days when these three automakers were the largest among a substantial number of now-defunct North American car companies. Given that some [..]

An engine that has been rebuilt to its exact design specifications. Most mass-produced engines are built with slightly less than absolute accuracy to their original designs. They work fine for normal [..]

A supercharger, which is a compressor that forces extra air into an engine for extra power.