MG MGB User Manual

GENERAL DATA
(GHNS/GHDS
CARS,
18V
type
ENGINE)
The
following
information is
applicable
to
the GHNS and GHDS series
cars
from
Car No.
258001
fitted
with the 18V
type
engine,
and
should be
used
in
conjunction
with the preceding
specifications.
ENGINE
Type:
Synchromesh gearbox
.. ..
Synchromesh
gearbox
with overdrive
..
Automatic
transmission
Valves
Inlet valve: Seat
angle
..
Head diameter
Stem diameter
.
Stem
to
guide
clearance
Later
cars:
Head diameter
Stem
diameter
Stem
to
guide clearance
Valve
spring
Free
length
..
Fitted
length
Load
at
■tted length
Load
at top
of lift
ELECTRICAL
Starter
motor
Type
.. ..
Brush
spring
tensio
Minimum
brush
length
..
Minimum
commutator
thickness
Lock
torque
..
Torque
at
1,000
r.p.m.
..
Light
running
current
..
Maximum
armature
end-■oat
..
..
Solenoid: Closing
(series)
winding
resistance
Hold-on
(shunt)
winding
resistance
FRONT
SUSPENSION—From Car No.
Free
height
Static
length
at
load of
1,0302E20
lb.
(467i9
kg.)
Static length
at
load
of
1,193i20 lb.
(541i9
kg.)
No. of free coils
REAR
SUSPENSION
Number
of
spring
leaves
Width of
spring
leaves
Gauge of
leaves:
lst, 2nd, 3rd
4th,
5th, 6th
Working load
..
MGB.
Issue4.
91427
18V 58lF—18V 581Y—18V
779F—18V 846F
18V
582F—18V 582Y—18V 780F—18V 847F
18V 583F— 18V
583Y.
45%?
1.625
to
1.630
in.
(41.27
to
41.40
mm.).
0.3429
to
0.3434
in.
(8.70
to
8.72
mm.).
0.0008
to
0.0018
in.
(0.020
to
0.046
mm.).
INLET
EXHAUST
1.562
to
1.567
in.
1.343
to
1.348 in.
(39.67
to
39.80 mm).
(34.11
to
34.23
mm).
0.3429
to
0.3434
in. 0.3423
to
0.3428
in
(8.70
to
8.72
mm.).
(8.69
to
8.70
mm).
0.0007
to
0.0019
in.
0.0013
to
0.0025 in.
(0.020
to
0.045
mm.)
(0.03
to
0.06
mm).
1.92
in.
(48.77 mm.).
1.44
in.
(36.58
mm.).
82
lb.
(37.2
kg.).
142
lb.
(64.4
kg.).
Lucas
2M
100
Pre-engaged.
36
02.
(1.02
kg.).
'1}
in.
(9.5
mm).
0.140
in.
(3.5
mm.).
14.4 lb.
ft. (2.02 kg.
m.)
with 463
amps.
7.3
lb.
ft.
(1.02
kg.
m.)
with 300
amps.
40
amp.
at
6,000
r.p.m.
(approx).
0.010
in.
(0.25
mm.).
0.25
to
0.27
ohm.
0.76
to
0.80
ohm.
Tourer
Tourer
GT
293446.
Later
cars.
296196-
102010.06
in.
10.20111. nominal.
9.32i1%in-
(25908115
mm.).
(259.08
mm.).
(236.73i1-6 mm)-
7.24
in 7.44
in.
——
(187.70
mm.).
(188.98 mm.)
——
6.84
in.
(173.74 mm).
7.5.. 9.
7.2.
6 interleaving
between
1/2, 2/3.
1.76
in.
(44.7
mm.).
0.2187
1
0.006
in.
(5.55
i
0.152
mm.)
9'73
0.1875
1
0.006
in.
(4.75
t
0.152
mm.)
510
to
5401bf. (231
~10
245kgr.)
General
Data .19

MG MGB Specifications

General

Brand	MG
Model	MGB
Category	Automobile
Language	English