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Stop Bit

The last, or final bit of a digital data communications sequence.

Stop Solenoid

A term used for idle-stop solenoid.

Stoplight Switch

An electrical device used to illuminate the stoplights when the brakes are applied.

Stoplights

Lights at the rear of a vehicle that are illuminated when the driver applies the brakes to slow or stop the vehicle. Also known as brake lights.

Stopping Distance

The distance required to stop a vehicle based on speed, reaction time, and road conditions.

Storage Battery

A device that stores electrical energy in chemical form and produces that electrical energy when required.

Storage Cell

A cell which stores potential for electricity in the form of a chemical charge.

Storm

To perform very well.

Stovebolt

Originally a 1929 Chevrolet; now any Chevrolet vehicle or engine.

STP

1. A brand nave for a popular oil or fuel additive. 2. An abbreviation for standard temperature and pressure.

Straight

1. Moving or continuing in one direction without turning. 2. Not curved or bent. 3. A straight stretch in a closed race course.

Straight Cut Gear

A term used for spur gear.

Straight Eight

An inline, eight-cylinder engine.

Straight Flexible Hose

A term used for flexible hose.

Straight Four

An inline, four-cylinder engine.

Straight In

Hitting the wall nose first in closed-course racing.

Straight In Damage

1. Damage caused by one vehicle hitting another directly or straight on. 2. Damage caused by hitting the wall nose first in closed-course racing.

Straight Six

An in-line, six cylinder engine.

Straightaway

A straight stretch in a closed race course such as the front and back straightaway at Indy.

Straightedge

1. A percussion metal bar, ground so that one or more edges are in a very straight line; used in measuring and checking straightness or alignment 2. A metal bar used to check the engine block deck and cylinder head for warpage.