GENERAL
DATA
During
running-in from new certain adjustments vary
from
the specification
figures detailed. They will be set to specification by
your
authorized Austin
MG
Dealer
at the 1,000 .Mile Free Service
and
should thereafter be maintained
throughout
the car's life.
3 to 7
%(5 % nominal)
Engine
Engine type
..
Bore
..
Stroke
Cubic capacity
Compression ratio: L.C.
Firing
order
..
Valve rocker clearance (cold)
Idle speed
Oil pressure:
Normal
(approx.)
Idling (approx.)
Exhaust gas content (carbon
mon-
oxide) at idle speed
PE 94J
2·9 in
3·44 in
91'0
in"
7·5 : 1
1,3,4,2
0·010 in.
700 to 900 rev/min
40 to 60
Ibf/in
2
20lbf/in
2
73·7 rom
87·5 mm
1493
ern"
0·25 rom
2·81 to 4·2 kgf/crn''
1·4 kgf/crn!
Dimensions
Track:
Pressed spoked wheel:
Front
Rear
Wire wheel:
Front
Rear
Turning circle: Left lock
Right lock
..
Front
wheel alignment toe-in
Wheelbase
Overall length
Overall width: Pressed spoke wheel
Wire wheel . .
Overall height
Ground
clearance
3 ft
10k
in.
3 ft 9 in
3 ft
10-&
in
3 ft 9* in
32 ft
It
in
31 ft
2-!-
in
Parallel to
t in
6 ft 8 in
11 ft 9 in
4ft
7
-&
in
4 ft 8!- in
4 ft t in
3
tin
118·27 em
114·30 em
117·63 ern
114·93 em
9·79 m
9·51
m
oto 3·2
mm
2·03 m
3·6m
1·41 m
1·44 m
1·13 m
82·55
mm
29 litres
4·5litres
1'3 litres
1·0 litre
5·42 litres
0·25 litre
6-!-
gal
8 pt
It pt
Ii pt
9!- pt
t pt
J
J,' I
I 'R- I
Radial ply (with
tub
e when wire wheels
fitt
d)
7'5 U.S. gal
9·6 U.S. pt
],75 U.S. pt
2·] U.S. pt
11·4 U. .
pt
0·6 U
..
pt
Capacities
Fuel
tank
Engine sump including filter
Gearbox
Rear
axle
Cooling system (with heater)
Heater
Wheels
and
Wheel size: Pressed spoked
tyres
Wire
Tyres: Size
Type
..
Lucas type 45DE4
41697-all
States except California
41698-California
only
Champion
N12Y
0·025 in 0·64
rom
10° B.T.D.C. at idle speed
2° A.T.D.C. at idle speed
Notch
on crankshaft pulley, pointers on
timing chain cover
Spark
plugs
..
Spark
plug gap
Stroboscopic ignition timing:
All States except California
California only
Timing
marks
Ignition
Distributor
..
Serial
number
Fuel
system
Recommended fuel
..
Carburetter
. .
Carburetter
needle
Transmission
Rear
axle ratio
Overall gear ratios:
rFirst
With ISecond
synchromesh
I
Third
Fourth
lReverse
rut=1
:»Y:»lt=1I1
Pump
..
.I'..~~UllHll~llU~U
1
U~l
••
Carburetter
..
Carburetter
needle
Pump
..
Unleaded fuel (91 octane)
Zenith Stromberg type
CD4T
45Q-all
States except California
45R-California
only
A.C. mechanically operated diaphragm
Ul11~i:lU~U
lU~l
\.71
U~li:lll~)
Zenith Stromberg type
CD4T
45Q-all
States except California
45R-California
only
A.C. mechanically operated diaphragm
3·72 :
1
12·69 : 1
7·86 : 1
5·33 :
1
3·72 : 1
13·96 : 1
Tyre
pressures
Normal driving Sustained high speed
Condition
Ibffin
2
k
gfl
cm"
bars
Ibflin
2
kgflcm"
bars
1
Front
22
1'55
1'52
26 1·8 1·79
J---.----.
Normal driving Sustained high speed
Condition
Ibflin
2
kgf[cm"
bars
Ibflin
2
kgflcm"
bars
Front
22
1'55
1·52 26
1·8
1·79
Normal
load
Rear
24 1·7
1·66
28
2·0 1·93
Front
22
1'55 1'52
26
1·8
1·79
Maximum
load
Rear
26
1·8 1·79
30
2'1
2·07
Refer to page 74 for 'Weights'.
Top
gear speed per 1,000 rev/min . . 17·3
m.p.h,
27·7
km/h
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