101 inch Forward Control Land Rover

Technical Information

Contents:

Dimensions
Weights
Performance
Tyre pressures
Engine
Ignition
Fuel system (petrol)
Fuel system (LPG)
Clutch
Gearbox
Transfer box
Overdrive
Axles
Ratios
Brakes
Steering
Suspension
12V electrics

Note that in these tables the standard values are given first, the values with our modifcations are given as "now:".

Dimensions
Overall length, fully equipped	4330 mm	170.5 in
Overall length, basic stripped	4217 mm	166 in
Overall height, to top of windscreen	2138 mm	84 in
Overall height, over hood (GS model)	2283 mm	90 in
Overall height, Ambulance	2500 mm	98.5 in
Wheelbase	2565 mm	101 in
Track (distance between wheels), front	1524 mm	60 in
Track (distance between wheels), rear	1549 mm	61 in
Length of body (load bed)	2491 mm	98 in
Width of body (load bed)	1720 mm	67.75 in
Overall width, GS	1842 mm	72.5 in
Overall width, Ambulance	2350 mm	92.5 in
Turning circle	11.3 m	37 ft
Minimum ground clearance under axles	254 mm	10 in

Weights
Unladen: coolant, oil, 24 gallons fuel		1924 kg
Front axle		1138 kg
Rear axle		723 kg
Laden: Maximum approved gross loaded		3651 kg
Maximum front axle	1846 kg
Maximum rear axle	1910 kg

Performance
Average safe speed cross-country (laden)	20-30 km/h (12-18 mph) depending upon terrain
Maximum gradient climbable (dry concrete)	Greater than 60%
Range of action, road	545 km (340 miles)
Range of action, cross-country	320 km (200 miles)
Fuel consumption target road	20 litres/100 km (14.2 mpg)
Fuel consumption target cross-country	35 litres/100 km (8 mpg)
Net power/gross wt ratio	38.8 kW/tonne (52 bhp/ton) now: 41.5 kW/tonne (56 bhp/ton)
Maximum tractive effort top gear and high transfer engaged (100 per cent efficiency)	1002 n/tonne (229 lb/ton) now: 1070 n/tonne (14 lb/ton)
Maximum tractive effort bottom gear and low transfer engaged (100 per cent efficiency)	14730 n/tonne (3365 lb/ton) now: 13790 n/tonne (3594 ib/ton)
Wheel type	Steel, well base
Tyre size	900 x 16 315/75R16

Tyre pressure
Road conditions	Front	1.9 kg/cm2	28 lb/sq in
Road conditions	Rear	2.5 kg/cm2	35 lb/sq in
Cross Country	Front	1.4 kg/cm2	21 lb/sq in
Cross Country	Rear	1.4 kg/cm2	21 lb/sq in

Engine
Type	Petrol V8, 8.5:1 CR now: LPG/Petrol V8, 9.35:1 CR
Bore	88.90 mm	3.500 in
Stroke	71.12 mm	2.800 in
Cylinder capacity	3528 cc	215 cu in
Maximum bhp at clutch (net)	120 bhp @ 5000 now: 155 bhp @ 5250
Maximum torque at clutch (net) @ 2500 rpm	261.9 nm now: 280 nm	176 lb-ft now: 188 lb-ft
Torque at maximum power	170 nm @ 5000 rpm now: 209 nm @ 5250 rpm
Valve Timing (Peak)	Exhaust	105.5 BTDC
Valve Timing (Peak)	Inlet	112.5 BTDC

Ignition
Firing Order	1, 8, 4, 3, 6, 5, 7, 2
Contact breaker gap (points)	0.35 to 40 mm (0.014 to 0.016 in)
Spark Plug Gap	0.60 mm (0.025 in)
Ignition timing @ 600 rpm (Static and dynamic)	85 Octane	TDC
	91-93 Octane	3 degrees BTDC now: 6 degrees BTDC
Distributor	Lucas type 35 D8-G now: Lucas 35DLM8
Dwell angle	26-28 @ 600 rpm
Coil	Lucas type 16C6 now: Lucas 32C5
Spark Plugs	Champion L92 Y now: Champion RN1 2YC
Supressor 10,000 to 15,000 ohm (spark plug cables)	LV6/MT4/2920-99-803-5505

Fuel System (Petrol)
Fuel Pump	Electric, in tank
Carburettors	Two Zenith 175 CD 2S
Carburettor Needle	2AY
Idle Speed	600 rpm
Air Cleaner	AC Cyclone paper filter element 228.6mm (9 in)
Filter	Sediment bowl and element type

Now: Fuel System (LPG)
Type	Single-point, induction
Vapouriser/reducer	Bigas RI-21
Tank	Stako cylindrical,1041 mm x 400 mm 110 litres gross, 88 litres net
Idle Speed	600 rpm
Air Cleaner	AC Cyclone paper filter element 228.6mm (9 in)
Pressure sensor	AEB013
Filter	Bigas Liquid-phase LPG filter and shut-off valve

Clutch

Single dry plate with diaphragm spring centre 266 m (10.5 in) Borg and Beck

Hydraulic

Gearbox LT95
Single helical constant mesh with syncro-mesh on all forward speeds
Top (4th) Gear	Direct
3rd Gear	1.51:1
2nd Gear	2.44:1
1st Gear	4.07:1
Reverse	3.66:1

Transfer Box
Two speed reduction on main gearbox output
High/Low lever, cable operated, and differential lock switch vacuum control
High Range	1.174:1
Low Range	3.321:1

Overdrive

Overdrive "out"	1:1
Overdrive "in"	0.78:1

Axles
Ratio	5.57:1
Front Differential	Hypoid Bevel, Salisbury 8 HS
Front Wheel Drive	Enclosed constant velocity joints
Rear Differential	Hypoid Bevel, Salisbury 8 HA Fully-floating shafts

Overall drive Ratios	High Range	Low Range
Top (4th)	6.54:1	18.5:1
3rd	9.85:1	27.8:1
2nd	16.01:1	45.3:1
1st	26.60:1	75.0:1
Reverse	24.00:1	67.0:1

Brakes
Type	Girling hydraulic, by leading and trailing shoes on the rears and twin leading shoes on the fronts
Total Lining area, front	775 sq. cm (120 sq. in.)
Total Lining area, rear	640 sq. cm (99.5 sq. in.)
Brake Drum Diameter	280 mm (11 in)
Brake Apportioning Valve Clearance	0.050 mm (0.002 in)
Hand Brake Type	Lockheed Duo-Servo drum brake on transfer box output shaft
Hand Brake Total Lining Area	195 sq. cm (30.2 sq. in.)
Hand Brake Drum Diameter	184 mm (7.25 in)

Steering
Type	Burman re-circulating
Gear ratio-variable	Straight Ahead	23.3:1
Gear ratio-variable	Full Lock	25.7:1
Steering Wheel Diameter	406 mm	16 in.
Front Wheel toe-out	1.2 to 2.4 mm	3/64 to 3/32 in.
Camber Angle	1.5 degrees
Castor Angle	1 degrees
Swivel pin inclination	7 degrees
Steering Wheel Free Movement	16 mm	5/8 in

Suspension
Road Springs	Semi-elliptic taper leaf
Hydraulic dampers	Telescopic, non-adjustable

Electrical Equipment, 12 Volt
System	12 Volt negative earth
Ambulance System	Split-charge - diode protected main battery. now: voltage-sensed relay-operated split charge
Battery type	Lucas CB 13/9. Ambulance x2.
Battery Capacity	63 a/h
Alternator	Lucas type 16 ACR (34 amp). Ambulance 25ACR (50 amp) now: Unipoint ALT-4028 (75 amp)
Control box	Integral with alternator
Starter	Lucas 3M 100 sealed
Fuse box	35 amp cartridge type.