DRIVING THE
CAR-The Engine
DRIVING
Gear Changing
For a smooth gear change into a synchronised gear (4th, 3rd
&
2nd) the
movement should be slow and deliberate. The gear lever must always be
moved right home to secure full engagement. First and reverse gears are
not synchromesh, gear engagement being achieved by sliding the
respective gear into mesh. To avoid a noisy change do not engage
first gear with the car stationary and the engine revving at a speed greater
than 800
r.p.m., or when
travelling in access of
15
m.p.h.
Do not attempt to engage reverse gear whilst the car is travelling forward,
Desirable Speed Limits (Particularly in gears lower than top)
The engine is capable of" revving
"
very fast, yet the driver should avoid
continued
"
over-revving," which is most likely to occur in the lower gears.
We strongly recommend that in all gears the driver shall not drive
the car continuously at engine speeds above
4,500 r.p.m. How-
ever, during acceleration in the gears it is permissible to
attain
5,000 r.p.m. for short periods, which speed is indicated
by the red mark on the tachometer.
NEW ENGINES (see running adjustments)
During the early stages of a new vehicle's life, for at least the first 500 miles
(800
km.), the working surfaces of the engine will be bedding down. The
power and performance will improve only if during the running-in period
the vehicle is carefully driven at moderate speeds.
We recommend that the engine should be driven at speeds not exceeding 3,500
engine
r.p.m. during this period, and suggest that
"
running-in
"
should be
progressive. No harm is done if the engine is allowed to
"
rev
"
fairly fast
so long as it is thoroughly warm and provided it is not
pulling hard.
Do not
let the engine pull hard at low speeds, always select a lower gear.
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