| Engine |
| Bore | 62.93 mm |
| Stroke | 76.2 mm |
| Capacity | 948 c.c. |
| Compression ratio | 8.3:1 (7.2:1 for use with low-grade fuel) |
| Maximum brake-horsepower (gross) | 37 (34 with lower compression ratio) |
| Valve clearance | 0.012" cold, 0.011" hot |
| Sump oil capacity | 7 pints (including filter) |
| Lubricant | Summer, engine oil, grade SAE 30.
Winter, SAE 20. Alternatively multi-grade oil) |
| Cooling System |
| Water capacity | 9.75 pints |
| Anti-freeze | Quantity to use: 2 pints (see page 39) |
| Fuel System |
| Carburettor | S.U., type H2, 1.25" |
| Standard jet needle | BX1 |
| Fuel pump | S.U. electric |
| Petrol tank capacity | 6.5 gallons (early models, 5 gallons) |
| Ignition System |
| Distributor | Lucas, type DM2P4 |
| Firing order | 1,3,4,2 |
| Ignition timing | Top-dead-centre (see page 62) |
| Contact-breaker gap | 0.014 - 0.016 in. |
| Sparking plug - normal type | Lodge HLN - K.L.G.FE70 - Champion N5 (see page 66) |
| Sparking plug gap | 0.025" |
| Clutch |
| Free movement at pedal | 1" |
| Gearbox |
| Oil capacity | 2.25 pints |
| Lubricant | SAE 30 oil |
| Rear Axle |
| Oil capacity | 1.5 pints |
| Lubricant | Hypoid gear oil, SAE 90 EP |
| Steering |
| Toe-in | 3/32" |
| Turning circle | 33 ft approx. |
Lubricants - Steering gearbox
Lubricants - Steering linkage and front hubs | Hypoid gear oil, SAE 90 EP
Multi-purpose lithium-base grease |
| Shock Absorbers |
| Hydraulic fluid | Armstrong Super Shock Absorber Oil |
| Brakes |
| Hydraulic fluid | Lockheed, or alternative conforming to SAE spec. 70R1 |
| Tyres |
| Size | 5.00-14 |
| Pressures - Normal | Front, 22 lb/sq. in.
Rear, 22 lb/sq. in. |
| Pressures - Heavily loaded | Front, 22 lb/sq. in.
Rear, 24 lb/sq. in. |
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