Glossary “quarter” Definition:
A term used for a quarter-mile drag strip.
q
quarter elliptic spring
Glossary “quarter elliptic spring” Definition:
One half of a semi-elliptic spring having one end attached to the chassis frame and the other attached to the axle.
Quadra-Trac
Glossary “Quadra-Trac” Definition:
A full-time, four-wheel drive system.
quadrant
Glossary “quadrant” Definition:
1). Device used to indicate the position of the gear selector of an automatic transmission. 2). One quarter of a circle.
quantum theory
Glossary “quantum theory” Definition:
The theory that considers light to have mass, as opposed to the wave theory, which considers light to be without mass, and the transfer of energy is in definite discrete amounts.
quad ring
Glossary “quad ring” Definition:
Rubber or plastic sealing ring with square sides.
quad valve head
Glossary “quad valve head” Definition:
Cylinder head with four valves, two exhaust and two intake, per cylinder.
qtr
Glossary “qtr” Definition:
Acronym form of Quarter.
quad
Glossary “quad” Definition:
1). A four-barrel carburetor. 2). Four headlamps, two on either side of the vehicle. 3). A four-wheel drive vehicle.
quad-4
Glossary “quad-4” Definition:
A high-performance, four-cylinder engine developed by GM.
quad carburetor
Glossary “quad carburetor” Definition:
A four-barrel carburetor.
quad driver
Glossary “quad driver” Definition:
1). A dipole (DIP) device which contains circuit drivers to control outputs. 2) Integrated circuit used to turn certain components on and off. 3). A quad driver having four separate outputs (switches) and can turn on and off up to four circuits and or components independently such as four fuel injectors.
QDR
Glossary “QDR” Definition:
Quad Driver: See Quad Driver
Q-jet
Glossary “Q-jet” Definition:
A Rochester Quadrajet four-barrel carburetor.
QSB
Glossary “QSB” Definition:
Quarterly Service Bulletin. Technical information updates issued four times a year.
QDM
Glossary “QDM” Definition:
Quad Driver Module