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The P4 95 General Data
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Engine |
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Bore |
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3.063 in. (77.8mm) |
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Stroke |
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3.625 in. (92.075 mm) |
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Number of cylinders |
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6 |
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Cylinder capacity |
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160.3cu.in (2.625 cc) |
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Compression ratio |
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8.8-1 |
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Compression ratio |
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7.8-1 certain export territories only |
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B.H.P.— |
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Basic, 8.8-1 |
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102 @ 4,750r.p.m |
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Certain export territories, |
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7.8-1 |
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100 @ 4,750 r.p.m. |
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Maximum torque— |
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Basic, 8.8-1 |
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140 lb/ft (19.36 mkg) at 1500 r.p.m |
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Certain export territories, |
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7.8-1 |
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136 lb/ft (18.8 mkg) at 1,500 r.p.m |
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Firing order |
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1,5,3,6,2,4 |
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Sparking plugs |
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Lodge HBLN 14mm with suppressors |
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Sparking plug point gap |
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.029 to .32 in. (0.75 to 0.80) |
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Distributor contact breaker gap |
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.014 to .016 in. (0,35 to 0,40 mm) |
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Ignition timing (static— full retard) |
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6 degrees B,T.D.C. Premium fuels |
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Tappet clearance, inlet |
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.006 in. (0,15 mm) |
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}Engine at running temperature |
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Tappet clearance, exhaust |
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.010 in. (0,25 mm) |
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Valve timing (No. 1 exhaust valve peak) |
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104 degreesB.T.D.C. |
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Oil pressure |
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55 to 65 1b1sq.in. (3,8 to 4,6 kg/cm2) at 30 m.p.h. (50 k.p.h.) in top gear with engine warm |
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Lubrication |
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Full pressure |
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Oil filter, internal |
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Gauze pump intake filter in sump |
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Oil filter, external |
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A.C. Delco full-flow filter |
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Clutch |
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Type |
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Single dry plate, 9 in. (230 mm) diameter |
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Adjustment |
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3/4 in. (20 mm) free movement at pedal pad |
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Gearbox, 4-speed |
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Type |
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Single helical constant mesh with svnchromesh on
top, third and second speeds.
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Propeller shafts |
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Type |
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Open type with flexibly mounted centre bearing and support |
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Rear axle |
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Type |
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Spiral bevel with semi-floating shafts
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Ratio |
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3.9-1 |
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Gear ratio |
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Gearbox ratio |
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Top |
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1.0-1 |
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3rd |
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1.377-1 |
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2nd |
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2.043-1 |
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1st |
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3.376-1 |
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Reverse |
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2.968-1 |
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Fuel system |
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Fuel pump |
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Dual electric, located in luggage boot |
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Carburetter |
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S.U. single horizontal, dustproof |
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Air cleaner |
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Oil bath type with air silencer |
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Cooling system |
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Type |
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Pump, fan and thermostat, pressurised |
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Fan belt tension |
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5/16 to 17/16 (8 TO 11 mm) free movement |
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Electric system |
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Type |
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Positive earth |
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Voltage |
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12 v. |
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Battery capacity |
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57 AH |
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Ignition system |
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Coil |
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Charging circuit |
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Current-voltage regulator |
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Replacement bulbs |
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Headlamps: |
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R.H.D. |
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Lucas Sealed Beam 12 v. 60/45 w. |
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L.H.D. Except North America and Europe |
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Lucas No. 415 12 v. 50/40w. |
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L.H.D. Europe except France |
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Lucas No. 410 12 v. 45/40 w. |
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L.H.D. France |
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Lucas No. 411 12v 45/40 w. Duplo (yellow) |
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North America |
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Sealed unit |
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Side lamps |
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Lucas No. 207 12 v. 6 w. |
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Stop-tail lamps |
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Lucas No. 380 12 v. 21/6 w. |
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Direction indicator |
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Lucas No. 382 12 v. 21 w. |
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Rear number plate lamp |
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Lucas No. 222 12 v. 4 w. |
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Instrument panel light |
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Lucas No. 987 12 v. 2.2 w. |
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Warning lights
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Lucas No. 987 12 v. 2.2 w. |
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Interior light, front |
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Lucas No. 989 12 v. 6 w. |
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Interior lights, rear |
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Lucas No. 254 12 v. 6 w. Festoon |
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Clock light |
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Lucas No. 281 12 v. 2 w. |
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Reverse lamp |
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Lucas No. 382 12 v. 21 w. |
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Rear luggage boot lamp |
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Lucas No. 222 12 v. 4 w. |
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Handbrake and fluid level warning light |
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Lucas No.281 12 v. 2 w. |
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Suspension |
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Front |
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Independent coil with anti-roll torsion bar |
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Rear |
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Progressive rate semi-elliptic leaf |
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Hydraulic dampers |
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Telescopic, anti-aeration, non-adjustable |
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Brakes |
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Hydraulic servo assisted, discbrakes at front; drum brakes at rear
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Hand brake |
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Mechanical linkage to rear wheels |
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Steering |
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Type |
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Recirlating~ ball, worm and nut,variable ratio |
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Ratio: |
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straight ahead 17.6: 1 |
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full lock 28.0: 1 |
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Front wheel toe-in |
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O-1/8 in. (0.3 mm) |
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Tyres |
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Size |
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6.00/6.40 x 15’ |
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Pressures |
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Normal motoring |
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Front |
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Normal |
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28 lb/sq.in. (1,9 kg/cm2) |
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Fully laden |
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30 lb/sq.in. (2,1 kg/cm2) |
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Rear |
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Normal |
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24 lb/sq.in. (1,7 kg/cm2) |
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Fully laden |
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30 lb/sq.in. (2.1 kg/cm2) |
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High speed motoring |
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For sustained high speed motoring, that is speeds in excess of 80 m.p.h. (120 k.p.h.) for more than a few minutes, it is essential from the viewpoint of safety and satisfactory tyre life to increase tyre pressures as shown below: |
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Front |
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Normal load |
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34 lb/sq.in. (2,3 kg/cm2) |
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Fully laden |
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36 lb/sq.in. (2,5 kg/cm2) |
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Rear |
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Normal load |
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30 lb/sq.in. (2,1 kg/cm2) |
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Fully laden |
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36 lb/sq.in. (2,5 kg/cm2) |
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Capacities |
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Fuel tank |
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11.5 Imperial gallons (52 litres) including a reserve of approximately 1 to 1.5 gallons (4 to 7 litres) |
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Cooling system |
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23.5 Imperial pints (13.5 litres) |
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Engine oil |
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15 Imperial pints (8,5 litres) plus1 pint (0,5 litre) after replacing filter element. |
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Gearbox oil |
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3 Imperial pints (1,75 litres) |
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Rear axle oil |
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3 Imperial pints (1,75 litres) |
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Air cleaner, |
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1 Imperial pint (0,5 litre) |
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Dimensions |
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Overall length |
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178.25 in. (4,53 m) |
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Overall width |
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65.625 in. (1,67 m) |
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Overall height (approx.) |
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63.75 in. (1,62 m) unladen
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Wheelbase |
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111 in. (2,82m) |
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Track, front |
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52.5 in. (1,33 m) |
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Track, rear |
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51.5 in. (1,31 m) |
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Ground clearance (under rear axle) |
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7.125 in. (181 mm) |
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Turning circle |
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37 ft. (11,25 m)
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