Glossary “dooley” Definition:
A truck with dual rear wheels; generally a term given to any dual-wheel vehicle.
d
dog tracking
Glossary “dog tracking” Definition:
Off-center tracking of rear wheels as related to the front wheels.
DOHC
Glossary “DOHC” Definition:
Dual Overhead Camshaft.
DOL
Glossary “DOL” Definition:
Data Output Link, or Department of Licensing, or Department of Labor.
dollies
Glossary “dollies” Definition:
Used like a small, portable anvil. Generally used on the backside of a panel being struck with a hammer. Also referred to as dolly blocks.
dolly
Glossary “dolly” Definition:
1). To shape or form metal. 2). A wheeled device that allows the moving or transport of an inoperative vehicle.
DOM tubing
Glossary “DOM tubing” Definition:
Acronym for Drawn-Over Mandrel tubing with precise and consistent inside and outside dimensions, used for race-car chassis construction. May also refer to Dealer Operations Manager.
domed piston
Glossary “domed piston” Definition:
A piston having a raised crown.
dog clutch
Glossary “dog clutch” Definition:
Mating collars, flanges, or lugs that can be moved as desired to engage or disengage similar collars, flanges, or lugs in order to transmit rotary motion.
dog house
Glossary “dog house” Definition:
Housing over an engine or transmission.
dog tooth
Glossary “dog tooth” Definition:
Small teeth around the outer circumference of the edge of a gear.
DOE
Glossary “DOE” Definition:
Department of Energy
DMM
Glossary “DMM” Definition:
Digital Multi-Meter
DMS
Glossary “DMS” Definition:
Dual Manifold System
DMV
Glossary “DMV” Definition:
Department of Motor Vehicles, or Distributor Modulator Valve
do-it-yourself (DIY)
Glossary “do-it-yourself (DIY)” Definition:
To repair one’s vehicle.
do-it-yourselfer (DIYer)
Glossary “do-it-yourselfer (DIYer)” Definition:
One known to repair their own vehicles.
Dobson unit (DU)
Glossary “Dobson unit (DU)” Definition:
Measure of ozone density level, named after Gordon Dobson, a British meteorologist, who invented the measuring device called a spectrophotometer.
Dodge
Glossary “Dodge” Definition:
Dead On Day Guarantee Expires, or Drips Oil, Drips Grease Everywhere
DMCV
Glossary “DMCV” Definition:
Deceleration Mixture Control Valve