Nissan Silvia BS110 240RS Evolution group B (1985)
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Home » Rally Cars » Nissan Silvia BS110 240RS-2
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1970: Nissan Fairlady S30 240Z
1974: Nissan Fairlady S30 260Z
1982: Nissan Silvia S110
1983: Nissan Silvia BS110 240RS
1985: Nissan Silvia BS110 240RS Evolution

In Acropolis rally '85: see video


Specifications

20 units built
Group/Class B/12 Homologation number: B233 10/01 ET
Years active 1985-1986 Homologation start: 1/3/1985
Homologation end: 31/12/1989
Engine
Type Nissan FJ24 straight 4cyl, 4 stroke, petrol engine located front longitudinal with 12o inclination to drivers side (LHD), and 3.7o back angle
Capacity 2391 cc WRC: 2391 cc
Bore x Stroke (mm) 93.0 x 88.0
Compression ratio 12.0:1
Output power - torgue 277 HP/ 8000 rpm 27.0 kgm (265 Nm) / 6200 rpm
Main bearings forged steel crankshaft with 5 main bearings 63.6mm diameter connecting rod distance center to center 140mm, big end bearing tunnel diameter 53mm
Materials block: cast iron cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers
Cams/valves 2 overhead camshafts (DOHC), 76o cam, chain driven 4 valves/cyl. - 16 valves total. 36mm inlet valves diameter, 30mm exhaust valves diameter
Aspiration natural, 2 x Solex-Mikuni 50 PPH carburetors
Ignition electronic, firing order 1-3-4-2
Cooling system jacketed watercooled with pump, radiator, fan and thermostat
Lubrication system wet or dry sump
Transmission
Type rear wheel drive Nissan, 5 speed manual gearbox
Gearbox ratios constant: 1.111/1 (20/18)
1st: 3.611/1 (39/12)
2nd: 2.619/1 (33/14)
3rd: 2.037/1 (33/18)
4th: 1.605/1 (26/18)
5th: 1.270/1 (24/21)
R: 2.778/1 (40/21 x 21/16)
constant: 1.111/1 (20/18)
1st: 3.611/1 (39/12)
2nd: 2.619/1 (33/14)
3rd: 1.961/1 (30/17)
4th: 1.605/1 (26/18)
5th: 1.159/1 (24/23)
R: 2.778/1 (40/21 x 21/16)
Diffrential ratio 4.625/1 (37/8), 3.70/1 (37/10), 5.143/1 (36/7), 3.154/1 (41/13), 3.364/1 (37/11), 3.545/1 (39/11), 3.889/1 (35/9), 4.111/1 (37/9), 4.375/1 (35/8), 4.875/1 (39/8), 5.429/1 (38/7) hypoid spiral bevel gears, 75% limited slip rear differential
Clutch dry, single disk
Chassis-body
Type Steel monocoque BS110 chassis of Nissan S platform with roll-cage, 2 door steel saloon/coupe bodyshell with FRP wheel arch extensions. Front bonnet with ventilation louvers
Front suspension macpherson strut with 2 lower 'A' links, adjustable pivots, coil springs, telescopic gas shock absorbers and antiroll bar
Rear suspension live axle with 2 lower longitudinal radius links, 2 upper small 45o locating links, adjustable pivots, coil springs and telescopic gas shock absorbers
Steering system rack and pinion 13.9/1 ratio
Brakes front ventilated disks 261mm diameter with 4 cast iron piston calipers 41.3mm diameter, rear solid discs 258mm with 1 cast iron piston caliper 38.1mm diameter. Front/rear ventilated discs 261/277/292mm diameter, 4 aluminium piston calipers 38/41.3mm diameter, or rear 4 cast iron or aluminium piston calipers 41.3mm diameter dual circuit with Jidoshakiki vacuum servo, adjustable ratio split front to rear
Dimensions
length: 4.330 m (170.5") width: 1.828 m (72") height: 1.310 m (51.6")
wheelbase: 2.400 m (94.5") front track: 1.410 m (55.5") rear track: 1.395 m (54.9")
Rims - tires 6" x 14" Dunlop 215/60-14
Weight 970 kg
Fuel tank 53, 60, 80, 100 lt

Results in WRC

Statistics

1985 Total
Total WRC results
Races 4 6
Entries/finishes 16/13 16/13 (81.3%)
Total points 64 64
(10.667 per race)
(4.000 per entry)

Races

Works team: Team Nissan Europe
Season
Entry Rally event
Driver
Codriver
Team M.C SVE
Entry list
POR KEN TdC GRE N.Z ARG FIN S.R (CdI) RAC
Terry Kaby
Kevin Gormley
023
works 7th
Mike Kirkland
Anton Levitan
works 3rd 7th
Mike Kirkland
Rob Combes
055
works 4th
Alain Ambrosino
Daniel Le Saux
027
works 6th 3rd
Shekhar Mehta
Rob Combes/ Yvonne Mehta
works acci dent 4th elec trical
Shekhar Mehta
Yvonne Mehta
025
works 4th
Iórgos Moschous
Dimítris Vazakas
works 8th
Jayant Shah
Ivan Smith/ Mike Doughty/ Lofty Drews
096
differ ential 14th 7th
Reg Cook
Wayne Jones
020
works 6th
Jim Donald
Kevin Lancaster
016
works 9th
Total points
()
64 13 14 7 11 15 4
Statistics
Starts/finishes 16/13 4/2 4/4 3/2 2/2 2/2 1/1

Works team:
Safari rally: D.T. Dobie Co
Acropolis rally: N.I. Theocharakis entries
New Zealand rally: Nissan New Zealand


5123585534_7ac5f24b01.jpg Source
Shekhar Mehta 1985
240RS-4+nissan.jpg Source
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