Nissan Datsun Bluebird "U" P610 group 2 (1972)
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Home » Rally Cars » Datsun 610
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1968: Datsun Bluebird 510
1972: Datsun Bluebird 610
1974: Datsun Violet 710
1978: Datsun Violet A10

"U" is for "User Oriented"

Specifications

5433 for 160B

Group/Class 2 Homologation number: 5434
Years active 1972-1974 Homologation start: 1/1/1972
Homologation end: 31/12/1981
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
2 carbs: 115 HP @ 6000 rpm
inj: 125 HP @ 6200 rpm		 15.0 kgm / 3600 rpm
2 carbs: 15.5 kgm / 4000 rpm
inj: 16.0 kgm / 3600 rpm
Main bearings 5 of 55mm diameter connecting rod length between centers 133 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, or 2 x Hitachi HJL38W carburetors. 1974: 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 (39/14x18/21)		 constant: 1.409/1 (31/22)
1st: 3.082/1 (35/16)
2nd: 1.857/1 (29/22)
3rd: 1.312/1 (27/29)
4th: 1.000/1
R: 3.365/1 (39/14x18/21)		 group 2: constant: 1.217/1 (28/23)
1st: 2.96/1 (34/14)
2nd: 1.86/1 (29/19)
3rd: 1.31/1 (29/27)
4th: 1.000/1
5th: 0.852/1 (21/30)
R: 2.922/1 (36/17x17/15)		 constant: 1.318/1 (31/22)
1st: 3.32/1 (33/14)
2nd: 2.08/1 (28/19)
3rd: 1.31/1 (26/28)
4th: 1.000/1
5th: 0.86/1 (19/30)
R: 3.38/1 (36/23x23/15)		 1973: 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 (36/23x23/15)
Diffrential ratio R160: 3.700 (37/10), 3.900/1 (39/10). 1973: 4.38/1 (35/8), 4.11/1 (37/9), 4.63/1 (37/8)
1976 group 2, R180: 3.15/1 (41/13), 3.36/1 (37/11), 3.55/1 (39/11), 3.700 (37/10), 3.900/1 (39/10), 4.38/1 (35/8), 4.63/1 (37/8), 4.88/1 (39/8), 5.14/1 (36/7)		 Type R180, hypoid spiral bevel gears limited slip rear differential
Clutch dry single plate, 202mm diameter
Chassis-body
Type steel monocoque Nissan Bluebird 510 chassis with roll-cage. 2 or 4 door saloon steel bodyshell. SSS, Group 2: extended wheel arches and rear spoiler
Front suspension Macpherson strut with coil springs, telescopic shock absorbers and anti roll bar
Rear suspension semi trailing arm with coil springs, telescopic shock absorbers and anti roll bar
Steering system recirculating ball 3.3 turns lock to lock
Brakes drums all around 228 mm diameter with 1 double piston caliper 22.2 mm diameter. Front disc brakes 232 mm disc diameter with 1 piston caliper 50.8 mm piston diameter. Group 2: front ventilated disc brake 245 mm diameter with 4 piston caliper 41.3 mm piston diameter dual circuit with/without vacuum servo assistant
Dimensions
length: 4.215 m (165.9") width: 1.600 m (63"), group 2: +100 mm height: 1.405 m (55.3") or 1.385 m (54.5")
wheelbase: 2.500 m (98.4") front track: 1.310 m (51.6") rear track: 1.320 m (52")
Rims - tires 4.5J x 14"
Weight 940 kg
Fuel tank 55 lt

Results in WRC

Races

Works team: Nissan Motor Co

Season
Entry Rally event
Driver
Codriver		 Team M.C SVE KEN MAR GRE A S.R USA RAC
Entry list
Ove Andersson
John Davenport		 12th
Statistics
Others starts/finishes 1/1 1/1
17198_720330EAK+Andersson+1.jpg Source
Ove Andersson in Safari rally '72
02-28datsunc3andersson-davenport.jpg Source
Ove Andersson in Safari rally '72
10513561654_db5c02cb94_b.jpg Source
Tony Fall in Safari rally '73
6dac91184fcd881feec1de0f57630d50.jpg Source
Rauno Aaltonen in Safari rally '74
page revision: 33, last edited: 25 Jan 2019 17:47
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