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Super Stock (SS)

An American factory-production vehicle that meets NHRA drag rules and performance ratings.

Super Tape

Duct tape.

Super-duty Parts

High-performance heavy-duty parts.

Super-stock Eliminator

Any vehicle running under the NHRA index/handicap system.

Supercharger

A compressor which pumps air into the engine's induction system at a pressure much higher than atmospheric pressure.

Superconductivity

The dramatic increase in conductivity of some materials at or near absolute zero (-273.20 C, or - 459.70 F, or 00 K).

Superheat

The heat intensity added to a gas after the complete evaporation of a liquid.

Superheat Switch

An electrical switch activated by a n abnormal temperature-pressure condition, such as a superheated vapor, used for system protection.

Superheated Vapor

Vapor at a temperature higher than its boiling point for a given pressure.

Superspeedway

A high-banked, paved track at least 1 mile (1.6 kilometers) long.

Supplemental Brake System

An additional brake system used to assist the service-brake system in retarding a vehicle.

Supply Voltage

Voltage from the supply with the circuit in operation.

Supporting Career

A career path that is related to auto mechanics, such as careers in claims adjusting, vocational teaching, autobody repair, frame and alignment repair, and specialty repair shops.

Sure-Grip

A limited-slip differential by Chrysler.

Surf

To move from place to place on the internet searching for topics of interest.

Surface Filter

A filter that traps contaminants on its surface. Screen and paper filters are types of surface filters.

Surface Finish

The roughness or smoothness of a surface.

Surface Ignition

The ignition of the air/fuel mixture in a combustion chamber by heated metal or carbon deposits.

Surface Loading

The transfer of pressure as one part acts on another.

Surfacing

The application by welding, brazing, or thermal spraying of a layer of material onto a surface to obtain desired properties or dimensions.