MG MGB User Manual

GENERAL
DATA—continued
(18G/18GA—continued)
CLUTCH
Make
and
type
Diaphragm spring
colour
Clutch plate
diameter
Facing
material
Number
of
damper springs
Damper
spring
load
Damper spring
colour
Clutch
release
bearing
Clutch
fluid
GEARBOX
AND
OVERDRIVE
Number
of
forward
gears
..
Gearbox ratios:
Reverse
..
First
Second
..
Third
Fourth
..
Overdrive ratio
..
Overall
gear
ratios:
Reverse
First
..
Second
Third
Fourth
..
Top
gear
speed
per
1,000
rpm:
Standard
Overdrive
..
Standard
Overdrive
Synchromesh
hub
springs:
Free length
..
Fitted
length
Load
at
fitted
length
Shaft and
reverse
plunger
detent
springs:
Free length
Speedometer
gear
ratio:
Fitted
length
..
..
Load
at
fitted length
Reverse
plunger springs:
Free
length
..
Fitted length
Load
at
fitted length
Mainshaft
second and third
gear
end-■oat
Laygear
end-■oat
Overdrive
Pump
spring:
Free
length
Rate
Clutch
spring:
Free length
Rate
PROPELLER
SHAFT
Type
Universal joints
Angular
movement
.. ..
..
..
Overall length:
Fully
extended:
Standard
Overdrive
Fully
compressed:
Standard
Overdrive
Length
of
shaft assembly:
Standard
Overdrive
Tube
diameter
..
MGB. Issue
9. 25729
Borg
&
Beck 8
in.
DS.G. diaphragm
spring.
Dark blue.
8
in.
(20.32
cm.).
Wound
yarn.
6.
110
to
120 lb.
(49.8
to
54.3.kg.).
Black/
light
green.
Graphite
(MY3D).
Lockheed Disc
Brake
Fluid
(Series
II).
4.
4.76
:
3.64
:
2.21
:
1.37
2
1.00
:
.802
:1.
18.588
:
1.
14.214
:
1.
8.656
:
1.
5.369
:
1.
4.306
:
1.
3.909: 1.
3.135
2
1.
17.9
m.p.h.
(27.3
km.p.h.).
22.3
m.p.h.
(35.5
km.p.h.).
9/28.
5/16.
1/2
in.
(12.7
mm.).
157;
in.
(7.9
mm.).
4
to
5
lb.
(1.8
to
2.2
kg.).
11%
in.
(30.16.mm.).
3%:
in.
(19.0
mm.).
18
to
201b.
(8.16
to
9.07
kg.).
1 in.
(25.4
mm.).
—}%
in.
(20.63
mm).
911/2
to
921/2
lb.
(41.4
to
41.9
kg.).
.004
to.006
in.
(.10
to
.15
mm.).
.002
to
.003
in.
(.05
to
.08
mm.).
h—ah—Ip—ab—Ib—t
Overdrive
2.000 in.
(50.8
mm.).
11
lb.
in.
(12.7
kg.cm.).
1.510 in.
(38.3
mm.).
154
lb.
in.
(178
kg.
am).
Open
tubular,
telescopic.
Hardy
Spicer
needle roller.
18°
to
20
°.
30%
in.
(78.1
cm.).
31%vin.
(81
cm.).
29
1%
in.
(74
cm.).
30%
in.
(76.5
cm.).
251%
in.
(64.3
cm.).
26
■g
in.
(67
cm.).
2
in.
(50.8
mm.).
General
Data
5

MG MGB Specifications

General

Brand	MG
Model	MGB
Category	Automobile
Language	English