Production Period
1962 - 1980
Chassis
Unit Construction body, welded steel constuction, front suspension on subframe.
Wheelbase: 7ft 7.00in
Track Front: 4ft 1.00in
Rear: 4 ft 1.25in
Steering
Cam Gears rack & pinion system.
Turning circle: 32ft
Castor angle: 7 degrees
Camber angle: 1 degree
Kingpin angle: 8 degrees
Toe in: 0.1875in
Grade of oil: SAE 90
Brakes
Disc front, drum rear.
Disk size front: 10.75in
Drum size rear: 10in
Method of operation: Hydraulic, vacuum servo assisted as option to 1973, standard thereafter. Dual system some markets from '67. Cable operated parking brake.
Wheels
Either steel disc bolt-on, or Rudge type wire spoked. Late cars had alloy wheels as option.
For MkI, MkII-on, Wires
Rim size: 4J * 14, 5J * 14, 4.5J * 14
Tyre Size: 5,60 * 14, 165 * 14
Tyre pressure: 21psi front, 24 psi rear
Engine
4 cylinder in line, pushrod ohv
Bore: 80.26mm
Stroke: 88.90mm
Cubic capacity: 1789cc
Power output: Approx 94bhp @ 5500rpm.
Later cars had power outputs which varied from market to market.
Oil pressure: Approx. 60psi - Idle at 20psi
Grade of oil: SAE 20/50
Sump Capacity: 7.5 pints
Ignition Timing
Varies with Engine spec., see above.
Distributor points gap: 0.015in, Later cars had electronic ignition.
Spark plugs: N9YC
Gap: 0.025in. After 1975: 0.035in
Carburetor Type
To 1973: Twin SU HS4
From 1973: Twin SU HIF4
USA Market also had single Zenith 175CD/5T from 1974/76
Popular upgrade: Weber 32/36 DGV carburetor w/ downdraft kits (intake manifold, linkage, air filter)
Jet size, main: SU 0.090in, Zenith: 0.100
Needle recommendation: Various according to carburetor spec
Clutch
Borg & Beck Single dry plate
Material: Ferodo
Number of springs: Single Diaphragm
Gearbox
Four speed manual, synchromesh on top three ratios to 1965, all synchro after. Electrical overdrive optional, standard from 1975. Borg Warner 35 automatic gearbox was also available 1967 to 1973.
Engine Prefix: 18G- 18GA 18GB on
Ratios: 3sp sync, 4sp sync, B-W auto
Top O/D (where fitted): 0.802, 0.820
Top: 1.000, 1.000, 1.00-1.33
Third O/D (where fitted): 1.10, 1.133
Third: 1.374, 1.382
Second: 2.214, 2.2167, 1.45-1.93
First: 3.640, 3.333, 2.39-3.18
Reverse: 4.760, 3.095, 2.09-2.78
Grade of oil: SAE 30, SAE 20/50 TQF
Capacity: 4.5 pints, 4.7 pints, 6 pints. Add approx. 3 pints when O/D fitted
Propellor Shaft
Open shaft, needle roller u/j at each end.
Final Drive
Live axle, hypoid bevel gears.
Ratio: Manual 3.909:1, Auto 3.7:1
MPH/1000rpm: Manual top: 17.9, o/d: 22.1, Auto: 18.91
Grade of oil: SAE 90EP
Capacity: 1.5 pints
Cooling System
Pressurized, thermostatic control, pump assisted. Capacity: 12 pints.
Fuel Tank Capacity
Approx. 12 gallons. Tank located at rear of car under boot floor.
Body Styles
Tourer, GT
Numbers built: MkI
1962 4518
1963 23308
1964 26542
1965 24179 524
1966 22675 10241
MkII introduced
1967 15128 11396
1968 17355 8352
1969 18896 12134
1970 23866 12704
1971 22511 12169
MkIII introduced
1972 26222 13171
1973 19546 10208
1974 19713 9638
MkIV introduced
1975 19967 4609
1976 25860 3698
1977 24482 4198
1978 21703 5652
1980 10891 3424
Dimensions & Weight
- Wheelbase: 7ft 7.00in
- Track - front 4ft 1.00in
- Track - rear 4ft 1.25in
- Overall length - 12ft 9.2in
- Overall width - 4ft 11.9in
- Overall height - 4ft 1.4in
- Ground clearance - 4.5in
- Turning circle - 32ft
- Curb weight - 1900 - 2400 lbs (year dependent)
Performance
- Max. Speed - 103 mph
- Acceleration - 0-60mph 12.2 secs
- Overall fuel consumption - 22 mpg
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