Nissan Datsun Violet 710 160J group 2 (1974)
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1968: Datsun Bluebird 510
1972: Datsun Bluebird 610
1974: Datsun Violet 710
1978: Datsun Violet A10		 Development level
Group 4
Group 2

Also called Datsun Violet KPL710 and KP711 since 1976

Specifications

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Engine info
Engine specs

Group/Class 2 Homologation number: 5574
Years active 1974-1978 Homologation start: 1/8/1974
Homologation end: 1/1/1982
Engine
Type Nissan L18, straight 4cyl, 4 stroke, petrol engine located front longitudinally
Capacity 1770 cc WRC: 1770 cc
Bore x Stroke (mm) 85.0 x 78.0 mm
Compression ratio 8.5:1, 9.5:1
Output power - torgue 105 HP @ 6000 rpm
inj: 125 HP @ 6200 rpm		 15.0 kgm / 3600 rpm
inj: 16.0 kgm / 3600 rpm
Main bearings forged steel crankshaft with 5 main plain bearings of 55mm diameter connecting rod length between centers 130.2 mm, big end bearing diameter 50mm, aluminium alloy piston 38 mm compression height
Materials block: cast iron, 207.85mm deck height (265.9mm from top to bottom oil pan), bore spacing 96.5mm between cylinders 1-2 and 3-4, and 98mm between cylinders 2-3 cylinderhead: reverse flow cast aluminium alloy with wedge combustion chambers
Cams/valves single overhead camshaft (SOHC), chain driven 2 valves/cyl. - 8 valves total. 42mm inlet valves diameter, 35mm exhaust valves diameter. 2 coil springs per valve
Aspiration natural, 1 x Nihon Kikaki 213304 carburetor. 1975: multipoint electronic fuel injection with Bosch electric pump
Ignition with contact breakers, firing order 1-3-4-2 12V battery
Cooling system jacketed watercooled with pump, radiator, 330 mm diameter-4 blades fan and thermostat 6.0 lt
Lubrication system wet sump 4.6 lt
Transmission
Type rear wheel drive Nissan 4 speed manual gearbox
Gearbox ratios constant: 1.409/1 (31/22)
1st: 3.382/1 (36/15)
2nd: 2.013/1 (30/21)
3rd: 1.312/1 (27/29)
4th: 1.000/1
R: 3.365/1 (39/14 x 18/21)		 constant: 1.524/1 (32/21)
1st: 3.66/1 (36/15)
2nd: 2.18/1 (29/22)
3rd: 1.42/1 (27/29)
4th: 1.000/1
R: 3.64/1 (39/14 x 18/21)		 group 2: constant: 1.318/1 (31/22)
1st: 3.32/1 (33/14)
2nd: 2.27/1 (29/18)
3rd: 1.60/1 (25/22)
4th: 1.22/1 (22/25)
5th: 1.00/1
R: 3.38/1 (36/23 x 23/15)		 1976: constant: 1.318/1 (31/22)
1st: 2.82/1 (32/16)
2nd: 1.97/1 (28/20)
3rd: 1.47/1 (24/23)
4th: 1.19/1 (22/26)
5th: 1.000/1
R: 3.38/1 (36/23 x 23/15)		 1976: constant: 1.318/1 (31/22)
1st: 2.35/1 (30/18)
2nd: 1.60/1 (25/22)
3rd: 1.30/1 (23/25)
4th: 1.14/1 (21/26)
5th: 1.000/1
R: 3.38/1 (36/23 x 23/15)
Diffrential ratio R180: 4.38/1 (35/8), 4.11/1 (37/9)
1976 group 2, R180: 3.15/1 (41/13), 3.36/1 (37/11), 3.55/1 (39/11), 3.70/1 (37/10), 3.90/1 (39/10), 4.63/1 (37/8), 4.88/1 (39/8), 5.14/1 (36/7)
1976 group 2, R160: 3.70/1 (37/10), 3.90/1 (39/10), 4.63/1 (37/8)		 Hitachi R160/R180, hypoid spiral bevel gears limited slip rear differential
Clutch dry single plate, 202mm diameter
Chassis-body
Type steel monocoque Nissan Datsun Violet 710 chassis with front and rear suspension cross members and roll-cage. 2 or 4 door saloon steel bodyshell. Group 2: extended wheel arches and rear spoiler
Front suspension Macpherson strut with coil springs, telescopic shock absorbers and anti roll bar
Rear suspension trailing-semi trailing arm with coil springs, telescopic shock absorbers and anti roll bar
Steering system recirculating ball 3.3 turns lock to lock. 1975, group 2: 3.65 turns
Brakes front solid disc brake 232 mm diameter with 1 piston caliper 50.8 mm piston diameter, rear drums 228 mm diameter with 1 double piston caliper 22.2 mm diameter. Group 2: front ventilated discs 261 mm diameter with 4 piston calipers 41.3 mm piston diameter
1978: rear ventilated discs 261 mm diameter with 4 piston calipers 41.3 mm piston diameter		 dual circuit with vacuum servo assistant
Dimensions
length: 4.120 m (162.2") width: 1.580 m (62.2"), group 2: +100 mm height: 1.405 m (55.3")
wheelbase: 2.450 m (96.5") front track: 1.310 m (51.6") rear track: 1.320 m (52")
Rims - tires 4.5J x 13" 175SR14 or 195 SR14 (DL SP52R)
Weight 955-965 kg
Fuel tank 50 lt

Extension 10/11V, 2/12/1977 only for group 1

Engine
Type Nissan L20B, straight 4cyl, 4 stroke, petrol engine located front longitudinally
Capacity 1952 cc WRC: 1952 cc
Bore x Stroke (mm) 85.0 x 86.0 mm
Compression ratio 8.5:1
Output power - torgue 72 kW / 97 hp @ 5600 rpm 138 Nm / 102 ft-lb @ 3200 rpm
Main bearings 5 of 60mm diameter big end bearing diameter 50mm, aluminium alloy piston 38 mm piston height
Materials block: cast iron, 227.45mm deck height cylinderhead: reverse flow cast aluminium alloy with wedge combustion chambers
Cams/valves single overhead camshaft (SOHC), chain driven 2 valves/cyl. - 8 valves total. 42mm inlet valves diameter, 35mm exhaust valves diameter. 2 coil springs per valve
Aspiration natural, 1 x Hitachi DCH340
Ignition with contact breakers, firing order 1-3-4-2 12V battery
Cooling system jacketed watercooled with pump, radiator, 380 mm diameter-7 blades fan and thermostat 7.7 lt
Lubrication system wet sump 4.6 lt

Results in WRC

Races

Works team: Nissan Motor Co

Season
Entry Rally event
Driver
Codriver		 Team POR KEN FIN S.R R.L P.R RAC TdC
Ulf Grönholm
Juhani Toivonen		 Aro Yhtyma Oy Autokeskus dnf
Harry Källström
Claes Billstam		 Aro Yhtyma Oy Autokeskus 21st 15th*
Chris Sclater
Martin Holmes		 Datsun Dealers 9th
Paul Faulkner
Monty Peters		 Datsun Dealers 20th
Total points
()		 2 2
Statistics
Others starts/finishes 5/4 2/1 3/3

*Datsun Dealers entry

i791138.jpg Source
Rauno Aaltonen/Lofty Drews in Safari Rally '77
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Chris Sclater - M. Holmes στο ράλλυ RAC '74
rally-safari-1978-harry-kallstrom-claes-billstam.jpg?w=584&h=370 Source
Harry Kallstrom in Safari '78
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images?q=tbn:ANd9GcQwz5hGu0IR9PoEsYwnYzRtTupKDntiST8OocPzZk0SF8AQ7moO Source
160J SSS
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710-03.JPG Source

Drawings

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R180 differential

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page revision: 139, last edited: 25 Jan 2019 17:47
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