Glossary “draw” Definition:
Amount of electrical current used by any load, circuit, or conductor.
d
draw down bar
Glossary “draw down bar” Definition:
A machine bar that evenly distributes 1 mil of unreduced paint to a card or sheet of plastic. It is used to check how much hiding the paint will provide.
drag coefficient
Glossary “drag coefficient” Definition:
Term used for coefficient of drag.
drag link
Glossary “drag link” Definition:
Steering component that connects the pitman arm to the steering arm.
drag racing
Glossary “drag racing” Definition:
An acceleration contest between two vehicles.
drag strip
Glossary “drag strip” Definition:
A standard racing strip 60 feet (18.3 meters) wide by 4,000 feet (1,219 meters) long, where eighth- or quarter-mile-competition events occur.
dragging clutch
Glossary “dragging clutch” Definition:
When a clutch does not release easily or completely.
dragster
Glossary “dragster” Definition:
A vehicle used for drag racing.
dr
Glossary “dr” Definition:
Acronym form of Door
draft tube
Glossary “draft tube” Definition:
Vent to release engine crankcase vapors and pressure.
drag
Glossary “drag” Definition:
1). Term for a quarter-mile race from a standing start, against time or another car. 2). An acceleration contest between two vehicles. 3). The resistance of air against an object trying to pass through it. 4). The failure of a brake system to fully release and return to their at rest position.
DPVS
Glossary “DPVS” Definition:
Distributor Ported Vacuum Switch
D-pillar
Glossary “D-pillar” Definition:
Either of the two pillars that support the roof and are located rearward of the C-pillars, as in station wagons and vans. Also called D-posts.
D-port
Glossary “D-port” Definition:
Intake or exhaust port shaped like the letter D.
DPS
Glossary “DPS” Definition:
Differential Pressure Switch
DPST
Glossary “DPST” Definition:
Double Pole Single Throw.
DPFE
Glossary “DPFE” Definition:
Differential Pressure Feedback EGR, or Delta Pressure Feedback EGR.
DPFEGR
Glossary “DPFEGR” Definition:
Differential Pressure Feedback EGR Input
DPH
Glossary “DPH” Definition:
Dual Plug Head
DPI
Glossary “DPI” Definition:
Dual Plug Inhibit