- S -

SBDS

Service Bay Diagnosis System. A computerized information network system that is connected, often by satellite, to the vehicle manufacturer and used to answer service and diagnostic questions.

SBEC

Single board engine controller.

SBS

Supercharged bypass solenoid.

SBT

Abbreviation for Serial Bus Traveler (Chrysler).

Sc

[1] Scandium An element with the atomic number of 21 [2] The designation for lubricating oil that meet the requirements for 1964 - 1967 gasoline engines in cars and trucks.

SC-PFI

Super charged-port fuel injection.

SCA

Super charger assembly.

Scatter Shield

A reinforced housing around the clutch and flywheel to protect the driver from flying parts.

Scattered

An engine that has literally blown apart.

Scavenge Pump

An oil pump that returns oil to the sump in a dry-sump system.

Scavenger

A powerful car that is difficult to beat in a race.

Scavenger Deposits

White or yellow carbon deposits that normally occur when certain fuels are burned.

Scavenging

The forced removal of exhaust gases from a cylinder during the overlap period.

SCC

Spark control computer.

SCCA

An abbreviation for Sports Car Club of America.

SCCS

Speed control command switch.

Schematic

A map-like drawing of the electrical system that gives the colors and shows the terminal points; used to trace the circuit for troubleshooting.

Schmitt Trigger

An electronic circuit used to convert analog signals to digital signals or vice-a-versa.

Schrader Valve

A spring-loaded valve, similar to a tire valve, located inside the service-valve fitting and some control devices to hold vapor or fluid in the system. It requires special adapters for access to the system.

Scientific Notation

Using powers of 10 as a sort of shorthand to keep track of decimal places.