Glossary “spare tire” Definition:
A full-sized replacement tire or a compact space-saver tire, generally for emergency service, but available for use when needed.
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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.
spalling
Glossary “spalling” Definition:
When pieces break off of the bearing metal. Describes a type of mechanical failure caused by metal fatigue.
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.
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-saver tire
Glossary “space-saver tire” Definition:
Term used for space-saver spare tire.
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.
Southern California Timing Association (SCTA)
Glossary “Southern California Timing Association (SCTA)” Definition:
A sanctioning body concerned with the annual Bonneville speed trials.
source
Glossary “source” Definition:
The device, circuit or system which supplies electrical energy to another device, circuit or system
source voltage
Glossary “source voltage” Definition:
Voltage measured at the source with the circuit in operation.
south pole
Glossary “south pole” Definition:
The pole or end at which magnetic lines of force enter a magnet.
sound deadening material
Glossary “sound deadening material” Definition:
Insulation material that prevents engine and road noise from entering the passenger compartment.
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.
sonotrode
Glossary “sonotrode” Definition:
In ultrasonic welding it is the equivalent of an electrode.
SOP
Glossary “SOP” Definition:
Acronym for Standard Operating Procedure.
sound
Glossary “sound” Definition:
Vibration in the air.
solubility
Glossary “solubility” Definition:
The amount of a substance that can be dissolved in a solvent, usually water.
soluble
Glossary “soluble” Definition:
A substance that will dissolve in a solvent.
solution
Glossary “solution” Definition:
A homogenous mixture; when the solids are distributed evenly in a mixture of reduced paint.
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.