| Engine | |||
| Type | 4-cylinder in line overhead valve type | ||
| Bore | 3.1875in (80.963mm) | ||
| Stroke | 1.906in (48.412mm) | ||
| Cubic Capacity | 60.84 cu.in (996.6 c.c) | ||
| Compression Raio | 8.9 to 1 Standard. For Premium Grade Fuel
7.5 to 1 Optional. For Regular Grade Fuel |
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| Cylinder Head | Detachable cast-iron type. Fully machined
combustion chambers. |
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| Valves | Vertical overhead type, push rod operated. | ||
| Valve Clearance | 0.010 in. (0.254 mm) inlet.
0.017 in. (0.432 mm) exhaust. |
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| Firing Order | 1, 2, 4, 3. | ||
| Max. Brake Horse Power
(nett) |
39 at 5,000 R.P.M (8.9 C.R.)
37 at 5,000 R.P.M. (7.5 C.R.) |
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| Maximum Torque | 52.85 lb. ft. at 2,700 R.P.M. (8.9 C.R.)
50.43 lb. ft. at 2,700 R.P.M (7.5 C.R.) |
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Lubrication |
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| Lubrication system | Pressure feed by external oil pump with
combined filter head |
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Sump capacity
including filter |
4.5 Imp pints (5.4 US Pints, 2.56 litres) 4 Imp pints (4.78 US Pints, 2.27 litres) |
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| Lubricant | Temperature Range | SAE Viscosity No. | Summer or Winter | 20W | From 32 F. to -10 F | 10W | Below -10 F | 10W+10% Kerosene or 5W if available |
Cooling System |
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| Type | Pressurised thermo-syphon, impeller assisted circulation | ||
| Thermostat | Bellows type in cylinder head water outlet | ||
| Radiator Pressure Cap | 7 lb./sq. in. (0.492 kg./sq. cm.) | ||
| Capacity without heater | 10 1/4 Imp. pints (12.3 U.S. pints, 5.82 litres). | ||
| Capacity with heater | 11 1/4 Imp. pints (13.5 U.S. pints, 6.39 litres). | ||
| Fan | 2-Blade 9in. diam. (22.82cm).
Driven by single "V" belt at crankshaft speed. |
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Fuel System |
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| Petrol tank Location | Under luggage boot floor at rear | ||
| Fuel | Premium Grade (Standard Cylinder Head) Regular Grade (Low Compression Cylinder Head). |
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| Capacity | 7 Imp. gallons (8.4 U.S. gallons, 31.82 litres) | ||
| Carburettor | Downdraught type. | ||
| Jet Sizes | Prior to Jan. 60 |
After Jan 60 |
|
| Main Jet | 115 | 115 | |
| Main Air Correction Jet | 175 | 175 | |
| Economiser Jet | 140 | 140 | |
| Economiser Air Correction Jet | 195 | 195 | |
| Idling Jet | 50 | 40 | |
| Idling Air Correction Jet | 120 | 150 | |
| Starter Jet | 125 | 125 | |
| Choke Tube | 22mm | 22mm | |
Ignition System |
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| Type | Coil and distributor. Automatic control by distributor governor weight mechanism combined with vacuum control from induction manifold | ||
| Initial Advance | 10 (crankshaft) High and Low Compression. | ||
| Spark Plugs | 14mm. Champion N. 5 | ||
| Gap | 0.023 in. to 0.028 in. (0.59 to 0.71 mm.) | ||
| Contact Breaker Gap | 0.014 in. to 0.016 in. (0.356 to 0.406 mm.) | ||
Clutch |
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| Type | Dry single plate, hydraulic release | ||
| Friction Area | 43.28 sq.in. (279 sq. cm) | ||
| Diameter | 7 1/4 in. (184.15mm) | ||
Gearbox |
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| Type | Four-speed, constant mesh, helical gears on all speeds except first and reverse. Manual remote control central gear lever. | ||
| Oil Capacity | 1 3/4 pints (2.1 U.S. pints, 0.99 litres). | ||
| Lubricant | S.A.E. 80 E.P. gear oil. | ||
Gearbox |
Gearbox | Overall | |
| First | 4.118:1 | 16.987:1 | |
| Second | 2.396:1 | 9.884:1 | |
| Third | 1.412:1 | 5.826:1 | |
| Top | 1.000:1 | 4.125:1 | |
| Reverse | 5.404:1 | 22.292:1 | |
Rear Axle |
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| Type | Semi-floating, hypoid | ||
| Track | 45.80 in (116.3cm) | ||
| Oil Capacity | 2 Imp. pints (2.4 U.S. pints, 1.13 litres). | ||
| Lubricant | Use an approved brand of S.A.E. 90 hypoid oil in Summer, and in Winter temperatures above
-10 F. In Winter temperatures below -10 F., use an approved brand of S.A.E. 80 hypoid oil. |
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| Ratio | 4.125 to 1 | ||
Steering Gear |
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| Type | Worm and Nut Re-circulatory Ball | ||
| Ratio | 14 to 1 | ||
| Steering Wheel Diameter | 16 in. (40.6 cm). | ||
| Turning Circle | 32 ft. 0 in. (9.75m.). | ||
| Oil Capacity | 1/3 Imp. pint (0.19 litres). | ||
| Lubricant | Use an approved brand of S.A.E. 90 E.P. gear oil in Summer and Winter | ||
Brakes |
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| Type | Hydraulic two-leading shoe on front. Handbrake, cable and rod operates through indpendant linkage to rear wheels only. |
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| Drums | 8 in. (20.32 cm.) diameter. | ||
| Linings-Front and Rear | 7.68 in. (19.51 cm.) * 1.25 in. (3.18 cm.). | ||
| Total Area | 76.80 sq. in. (495 sq. cm.). | ||
Wheels and Tyres |
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| Type of Wheel | Pressed disc with wide base rims | ||
| Tyres | Tubeless - Size: 5.20 * 13.4 ply |
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| Pressures-Front and Rear | 22 lb./sq. in. (1.54 kg./sq. cm.). | ||
Front Suspension |
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| Type | Independant, coil spring suspnsion, embodying built-in, double acting hydraulic shock absorbers. | ||
| Deflection Rate | 80 lb./in. (0.855 kg./m.) | ||
| Castor | 1 30' to 3 0' | (Car Unladen) |
|
| Camber | 0 30' to 2 0' | ||
| Toe-in | 1/8 in. to 3/16 in. (3.175 to 4.76 mm.) | ||
| Toe-out on 20 turns | 1 36' to 3 6' | ||
| King-pin Inclination | 4 45' to 6 15' | ||
| Track | 46 in. (116.8 cm.). | ||
Rear Suspension |
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| Type | Logitudinal, assymetrical semi-elliptic. | ||
| Length Loaded | 45 in. (114.3 cm.). | ||
| Width | 2 in. (50.8 mm.). | ||
| Number of Leaves | 5 | ||
| Deflection Rate | 80 lb./in. | ||
Shock Absorbers |
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| Front | Telescopic type, incorporated within the front suspension units | ||
| Rear | Double acting, hydraulic, lever type. | ||
Electrical System |
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| Battery | Lead acid 12-volt, 9 plates per cell, 38 ampere hour (51 A. H. Special Equipment) capacity at 20 hour rate. Positive terminal earthed | ||
| Generator | Two-brush type with separate compensated voltage control regulator | ||
| Starter Motor Ratio | 12.2 to 1 | ||
Bulbs - |
Quantity and Description |
Voltage |
Wattage |
| 2 Headlight Bulbs | 12 | 50 / 40 | |
| 2 Side Light and Front Direction Indicator Bulbs | 12 | 21 / 6 | |
| 2 Rear and Stop Light Bulbs | 12 | 21 / 6 | |
| 2 Rear Directional Indicator Bulbs | 12 | 21 | |
| 1 Interior Lamp Bulb | 12 | 3 | |
| 1 Number Plate Bulb | 12 | 6 | |
| 1 Instrument Panel Bulb | 12 | 2.2 | |
| 2 Directional Indicator Warning Bulbs | 12 | 2.2 | |
| 1 Generator Warning Light Bulb | 12 | 2.2 | |
| 1 Oil Pressure Warning Light Bulb | 12 | 2.2 | |
| 1 eadlight Beam Warning Light Bulb | 12 | 2.2 | |
Engine Number |
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| Location | Stamped on the top face of the right-hand engine mounting pad. | ||
Chassis Number |
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| Location | Stamped around the front suspension unit upper mounting on the right-hand mudguard. | ||
Weights and Dimension |
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| Wheel Base | 7 ft. 6 1/2 in. (230 cm.). | ||
| Overall Length | 12 ft. 9 1/2 in. (390 cm.). | ||
| Overall Width | 4 ft. 9 1/8 in. (145 cm.). | ||
| Overall Height (unladen) | 4 ft. 8 5/8 in. (144 cm.). | ||
| Kerb Weight | 1634 lb. (741.1 kg.). | ||
| Ground Clearance | 6.40 in. (16.3 cm.). |