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Opposite Lock
Turning the wheels opposite to the direction the car is heading.
Octane
A number that indicates the anti-knock quality of automotive gasoline.
Odometer
An instrument, usually located in the same housing as the speedometer,
for measuring and registering the miles and tenths of miles driven.
Oil Pan
A removable part of the engine, usually made of pressed steel, that
attaches to the bottom of a cylinder and acts as an oil reservoir.
Oil Pump
An engine-driven pump that delivers oil to all the moving engine
parts.
O-Ring
A type of sealing ring usually of rubber or similar flexible material,
that is compressed into grooves to provide the sealing action.
Overdrive
Generally a small auxiliary gearbox, usually mounted behind the car's
main gearbox or attached to the differential, giving another gear in
addition to the other three or four speeds in the main transmission.
Overhead Cam
A camshaft located above the cylinder head or heads instead of in the
cylinder block.
OHC (Overhead Cam)
A camshaft located above the cylinder head or heads instead of in the
cylinder block.
Open End
Lease
With an open-end lease, there is still a residual value set at the
beginning of the lease. However, if the car is worth less than the
residual value at the lease's end, the lessee must pay the difference.
In other words, the lessee assumes the risk for depreciation with an
open-end lease.
Opportunity Cost
The cost of what you didn't do. For instance, if you have the cash to
buy a car, the opportunity cost of the purchase is the interest lost
on the cash you used for the car. One of the often-cited advantages of
leasing is that it frees up your money to invest elsewhere.
OHV (Over-Head Valve)
Valve-in-head engine in which the valves are directly above the
piston.
Over-Head Valve (OHV)
Valve-in-head engine in which the valves are directly above the
piston. |
