GENERAL
DATA
MINI
MK.
11
(998-c
.c.)
The following information is applicable
to
the Mini
Mark
n (998-c.c. engine) and should
be
used in conjunction with
the preceding specification.
ENGINE
Type
Number
of
cylinders
Bore
Stroke
Capacity
Compression ratio
B.M.E.P
...
Torque
Compression pressure
Engine idle speed (approx.)
Oversize bores: 1st
2nd
CRANKSHAFT
Main
bearings
Material
Running clearance
CONNECTING RODS
Big-end bearings
Material
Bearing length
PISTONS
Type
Clearance: Bottom
of
skirt (pressure face)
Oversizes: 1
st
,-
.;r~~d
':"I:'~::
,,-
PISTON
RINGS
Compression: Top
Second and third
Width
Thickness (all rings)
GUDGEON
PIN
Type
Fit
..
VALVES AND VALVE GEAR
Valves
Throat
diameter: Inlet
..
Exhaust
Valve lift
CAMSHAFT
J
oumal
diameters:
Front
Centre
Rear
..
End-float
..
General
Data
18
..
99H.
4.
2·543 in. (64'588 mm.).
3·00 in. (76'2 mm.).
..
60·96 cu. in. (998 cc.).
..
8·3:
1.
130 lb.jsq. in. (9'14 kg.jcm.
2
)
at
2,700 r.p.m.
..
52 lb. ft. (7'28 kg. m.)
at
2,700 r.p.m.
..
150 lb.jsq. in. (10'5 kg.jcm.
2
).
..
500 r.p.m.
..
+'010
in. ('254 mm.).
+·020
in. ('508 mm.).
..
Steel-backed copper-lead; thin wall.
·001
to ·0027 in. (,025
to
·069 mm.).
..
Steel-backed copper-lead; thin wall.
. . ·875 in. (22'22 mm.).
..
Solid skirt.
..
·0005 to ·0011 in. ('013 to ·028 mm.).
+·010
in. ('254 mm.).
+ ·020 in. (,508 mm.).
Plain, chrome-faced.
Tapered.
·0620 to ·0625 in. (1'574
to
1·588 mm.).
·106 to ·112 in. (2,692 to 2·835 mm.).
Fully floating, with circ1ip location.
..
Hand
push fit.
..
·969 in. (24'61 mm.).
..
·908 in. (23,06 mm.).
..
·28 in. (7,14 mm.).
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.).
MINI.
Issue 2. 9764
•
•
mk1-performance-conversions.co.uk
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