GENERAL
DATA-continued
(M
I
NI-
COO
PER
-
con
tin
u e
d)
•
VALVE
SPRINGS
Free
length: Inlet and exhaust
Number
of
working coils
Pressure: Inlet
and
exhaust: Valve open
Valve closed
CAMSHAFT
Journal diameters:
Front
Centre
Rear
End-float
..
Bearings:
Number
and
type
Inside diameter (reamed in position):
Front
..
Centre
..
Rear
..
ENGINE
LUBRICATION
SYSTEM
Oil pump
Type
Relief pressure valve operates
Relief valve spring: Free length
Fitted length
Oil pressure
Normal
running
Idling (minimum)
FUEL
SYSTEM
Carburetters
Make'
and
type
Diameter
Jet
Needle
..
Fuel pump
Make
and
type
Delivery
rate
..
Delivery pressure
AIR CLEANERS
Type
Later
models
COOLING
SYSTEM
Thermostat setting
· . 1·750 in. (44·45 mm.).
..
41-.
90 lb. (40·8 kg.).
..
55
lb. (24,9 kg.).
· . 1·6655
to
1·666 in. (42,304
to
42·316 mm.).
1·62275
to
1·62325 in. (41,218
to
41·231 mm.).
.,
1·3725
to
1·3735 in. (34,862
to
34·887 mm.).
..
·003
to
·007 in. (,076
to
·178 mm.).
..
3. Steel-backed white metal.
· . 1·667
to
1·6675 in. (42,342
to
42·355 mm.).
1·6245
to
1·6255 in. (41,261
to
41·287 mm.).
..
1·3748
to
1·3755 in. (34,914
to
34·937 mm.).
..
Hobourn-Eaton.
70 Ib./sq. in. (4·92 kg./cm.
2
).
2*
in. (66,28 mm.).
2"3\
in. (54,77 mm.).
..
70 Ib./sq. in. (4·92 kg./cm.
2
).
· .
15
lb./sq. in. (1·05 kg./cm.
2
).
..
Twin
S.
U. Type HS2.
1!-
in. (31,75 mm.).
·090 in. (2·29 mm.).
..
Standard
GZ.
..
S.U. electric. Type SP.
..
56
pts./hr. (67,2 U.S. pts./hr., 32 litres/hr.).
..
2t
to
3 lb./sq. in. (,18
to
·21
kg./cm.
2
).
Oil-wetted gauze.
..
Paper
elements.
..
83° C. (180° F.).
•
•
IGNITION
SYSTEM
Coil
Timing: High compression
Low compression
General
Data
10
HAI2.
7° B.T.D.C. (Premium fuel). •
50
B.T.D.C.
(91
to
96 octane rating fuel,
Research"
Method).
MINI. Issue
1.
4908
mk1-performance-conversions.co.uk
To Next Page
Loading...
