Nissan Fairlady S30 240Z group 4 (1970)
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autowp.ru_datsun_240z_rally_1.jpg Source Develpment chain
1970: Nissan Fairlady S30 240Z
1974: Nissan Fairlady S30 260Z
1982: Nissan Silvia BS110 Violet GTS
1983: Nissan Silvia BS110 240RS
1985: Nissan Silvia BS110 240RS-2

Also called Datsun 240Z
Click here for S20 engine


172732 units built
Click here and here and here for street version
Group/Class 4/4 Homologation number: 3023
Years active 1970 - 1974 Homologation start: 1/4/1970
Type L24, straight 6cyl, 4 stroke, petrol engine located front longitudinal
Capacity 2393 cc WRC: 2393 cc
Bore x Stroke (mm) 83.0 x 73.7
Compression ratio 10.0:1
Output power - torgue 220 - 225 HP / 7200 rpm 25.5 kgm (250 Nm) / 4800 rpm
Main bearings 7 of 55mm diameter connecting rod length between centers 133mm, big end bearing internal diameter 50mm
Materials block: cast iron cylinderhead: aluminium alloy
Cams/valves single overhead camshafts (SOHC), chain driven 2 valves/cyl. - 12 valves total. 42mm inlet valve diameter, 33mm exhaust valve diameter. 2 coil springs per inlet/exhaust valve
Aspiration natural, 3 x twin choke Solex-Mikuni 44PHH, or 3 x Dellorto/Weber DCOE
Ignition electronic, firing order 1-5-3-6-2-4
Cooling system watercooled 8 lt
Lubrication system wet sump 5 lt
Type rear wheel drive FS5C71B 5 speed gearbox. 71mm distance between shafts
Gearbox ratios constant input 1.409/1 (31:22)
1st: 3.321/1
2nd: 2.077/1
3rd: 1.308/1
4th: 1.000/1
5th: 0.864/1
R: 3.382/1
Diffrential ratio 3.3/1, 3.5/1, 3.7/1, 3.90/1 (39/10), 4.1/1, 4.3/1, 4.6/1, 4.8/1, 5.1/1 R180 or later R200 hypoid spiral bevel gears limited slip rear differential
Clutch dry single disk
Type steel monocoque S30 chassis with roll cage and front suspension subframe. 2 door coupe steel bodyshell with steel bumbers and fibre glass bonnet or boot lid
Front suspension mc pherson strut with lower wishbone, coil spring, telescopic gas shock absorber and anti-roll bar
Rear suspension chapman strut with lower wishbone, coil spring, telescopic gas shock absorber and anti-roll bar
Steering system worm and screw 2.7 turns lock to lock
Brakes front ventilated disks with 270mm disk diameter and 2 or 4 piston calipers. Rear drums 230mm diameter dual circuit with servo, adjustable ratio split front to rear
length: 4.140 m (162.8") width: 1.630 m (64.2") height: 1.305 m (51.4")
wheelbase: 2.300 m (90.7") front track: 1.355 m (53.3") rear track: 1.345 m (53.0")
Rims - tires 4.5 - 7 x 14" - 15" FR70-14, 175/70-14
Weight 1000 - 1150 kg
Weight/power 4.8 kg/HP
Fuel tank 100 lt

Results in WSCC

Group 4 classification is noted in brackets
Car entry, chassis number Car number/ result
Buenos Ayres Dayt Sebring Brands Hatch Monza Spa Targa Florio Nurb Le Man Zeltweg Watkins Glen
Team 1000km 6h 12h 1000km 1000km 1000km 1000km 24h 1000km 6h
Ross Racing Ltd #73, OTL
Motor Racing Facilities Ltd #47, dnt qualify
Works Starts/finishes 2/0 1/0 1/0
Driver Team entries and car number
Ross Racing Ltd
Craig Ross 73
Jacques Groleau 73
Motor Racing Facilities Ltd
Robert Grant 47
Martin Birrane 47

Results in WRC


Works team: Nissan Motor Co

Entry Rally event
Team M.C SVE
Entry list
entry list
Rauno Aaltonen
Paul Easter
works 7th
Tony Fall
Geraint Phillips
works diffe rential
Edgar Herrmann
Hans Schüller
works diffe rential
John Bloxham
Norman Salt
diffe rential
Total points
4 4
Others starts/finishes 4/1 4/1

Datsun_Fairlady_240Z_001.JPG Source
302.JPG Source
CylinderHeads3.jpg Source


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Datsun_240Z_cutaway_by_Shin_Yoshikawa.84212735.jpg Source
Nissan_Fairlady_240ZG_cutaway_by_Shin_Yoshikawa.77222128_std.jpg Source
Datsun-240Z.jpg Source
nissan-fairlady-240-zg.gif Source
datsun_240z_1969.jpg Source


70ReSusp.jpg Source
280ZRearTransversLink.jpg Source
Rear suspension
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