Glossary “street machine” Definition:
A custom-built vehicle or hot rod built for street use.
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street racing
Glossary “street racing” Definition:
Racing done on public streets, and is illegal.
Street Rod Equipment Association (SREA)
Glossary “Street Rod Equipment Association (SREA)” Definition:
An association now known as Street Rod Market Association.
streamlining
Glossary “streamlining” Definition:
Shaping of a vehicle body so as to minimize air resistance.
stratified charge
Glossary “stratified charge” Definition:
Type of combustion having a small amount of rich air/fuel mixture near the spark plug with a leaner mixture throughout the remainder of the combustion chamber.
stratified charge engine
Glossary “stratified charge engine” Definition:
Engine in which each cylinder has two combustion chambers connected by a small passage; the smaller prechamber contains the spark plug and receives a rich mixture while the main chamber receives a lean mixture which is ignited by a flame front from the prechamber.
stratosphere
Glossary “stratosphere” Definition:
An upper portion of the atmosphere that extends 10 to 30 miles (16 to 48 km) above the surface for the Earth.
stratospheric ozone layer
Glossary “stratospheric ozone layer” Definition:
A layer extending from 6 to 15 miles (9.7 to 24.1 km) above Earth’s surface, protecting the Earth from ultraviolet (UV) rays from the sun.
strain gauge
Glossary “strain gauge” Definition:
Transducer that converts information about the strain placed upon an object into a change of resistance or voltage reading.
stranded wire
Glossary “stranded wire” Definition:
Conductor made up of several small wires twisted together.
strategy
Glossary “strategy” Definition:
The programming in the processor, determining how it reacts under certain conditions.
stratified
Glossary “stratified” Definition:
To layer or to have in layers.
straightening system
Glossary “straightening system” Definition:
Hydraulic machine for pulling a badly damaged frame or unibody structure back into proper alignment. Also referred to as a frame rack.
straightness
Glossary “straightness” Definition:
Condition where all elements of a surface or an axis are in a straight line.
straightedge
Glossary “straightedge” Definition:
1). Precision metal bar, ground so that one or more edges are in a very straight line; used in measuring and checking straightness or alignment. 2). Metal bar used to check the engine block deck and cylinder head for warpage.
straight in damage
Glossary “straight in damage” Definition:
Damage caused by one vehicle hitting another directly or straight on.
straight six
Glossary “straight six” Definition:
An in-line, six cylinder engine.
straight edge
Glossary “straight edge” Definition:
Machined tool used to measure or determine if a components surface is warped. See straightedge.
straight eight
Glossary “straight eight” Definition:
An inline, eight-cylinder engine.
straight flexible hose
Glossary “straight flexible hose” Definition:
Term used for flexible hose.