Glossary “span gauge” Definition:
Commonly used term used for a telescoping gauge.
spalling
Glossary “spalling” Definition:
When pieces break off of the bearing metal. Describes a type of mechanical failure caused by metal fatigue.
Spacer Entry EGR System
Glossary “Spacer Entry EGR System” Definition:
An EGR system where exhaust gases are routed directly from the exhause manifold through a stainless steel tube to the carburetor or throttle body base.
spacer
Glossary “spacer” Definition:
A device, such as a shim or washer, that is used to increase the space between to mating surfaces for parts.
space-saver tire
Glossary “space-saver tire” Definition:
Term used for space-saver spare tire.
space-saver spare tire
Glossary “space-saver spare tire” Definition:
1). A deflated, compact spare tire that must be inflated to 35 psi (241 kPa) with a vehicle-battery powered air compressor or a can of compressed air. 2). An inflated spare tire which is smaller and narrower than those on the vehicle that is to be used in an emergency only.
space frame
Glossary “space frame” Definition:
A light-weight race car frame constructed of small diameter metal tubing that is welded together in such a manner as to provide high rigidity.
Southern California Timing Association (SCTA)
Glossary “Southern California Timing Association (SCTA)” Definition:
A sanctioning body concerned with the annual Bonneville speed trials.
south pole
Glossary “south pole” Definition:
The pole or end at which magnetic lines of force enter a magnet.
source voltage
Glossary “source voltage” Definition:
Voltage measured at the source with the circuit in operation.
source
Glossary “source” Definition:
The device, circuit or system which supplies electrical energy to another device, circuit or system
sound deafening pads
Glossary “sound deafening pads” Definition:
Often bonded to the inside surface of trunk areas and doors to reduce NVH. It is made of plastic or asphalt-based material.
sound deadening material
Glossary “sound deadening material” Definition:
Insulation material that prevents engine and road noise from entering the passenger compartment.
sound
Glossary “sound” Definition:
Vibration in the air.
SOP
Glossary “SOP” Definition:
Acronym for Standard Operating Procedure.
sonotrode
Glossary “sonotrode” Definition:
In ultrasonic welding it is the equivalent of an electrode.
sonic testing
Glossary “sonic testing” Definition:
Procedure for testing the integrity of engine blocks, using sound waves.
solvent
Glossary “solvent” Definition:
1). A liquid substance, such as water, in which other substances can dissolve. 2). A petrochemical liquid that will dissolve oil and grease. 3). A paint cleaner and thinner. 4). Organic materials which are liquid at standard conditions and which are used as dissolvers, viscosity reducers or cleaning agents.
solution
Glossary “solution” Definition:
A homogenous mixture; when the solids are distributed evenly in a mixture of reduced paint.
soluble
Glossary “soluble” Definition:
A substance that will dissolve in a solvent.