March 83G group C1 (1983)

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3764-2.jpg Source

Chassis numbers
March Chassis History


5 units built
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Nissan LZ20B Turbo, straight 4 cyl, 4 stroke, petrol engine
2083cc, 87.8 x 86 mm
570 PS at 7,600 rpm
539 Nm at 6,400 rpm
cast iron, 285.5mm height, aluminium alloy head
5 main bearings 60mm diameter
DOHC, 4 valves/cyl - 16 valves total
2 x Garrett TO4S or T05B turbochargers with multipoint electronic fuel injection
dry sump

Porsche Type 935/76, Boxer 6 (180o) cyl, 4 stroke, petrol engine
2649cc, 92.3 x 66 mm
7.5:1, 1983+:8.5:1
580 (1bar) - 620 (1.2bar) HP / 455kW @ 8200 rpm
600 Nm / 442 ft lbs @ 5000 rpm
aluminium alloy block and head
forged steel crankshaft with 7 main bearings
DOHC gear driven, 4 valves/cyl - 24 valves total
2 x KKK K26-3060G Turbochargers with Water injection air/air Behr Intercoolers
1982: Bosch-Kugelfischer Mechanical fuel Injection
1983: Bosch D-Motronic multipoint electronic fuel injection
turbo pressure 1.4bar
firing order 1-6-2-4-3-5
air cooled block, water cooled cylinderheads
dry sump

Analytical specifications and drawings

V8 (90o) cylinder
5736cc capacity
OHV with 2 valves per cylinder
Natural aspiration with electronic multipoint fuel injection
Power output, 620 bhp / 463 kW @ 7750 rpm

5 speed manual gearbox
honeycomb aluminium monocoque chassis with semi-stressed engine, kevlar / carbon fibre body
Suspension (fr/r) double wishbones, coil springs over dampers, anti-roll bar
rack and pinion steering
wheelbase, 2685 mm (105.7 in)
f/r track, 1565 mm (61.6 in) / 1539 mm (60.6 in)

Results in WSCC

Car entry, chassis number Car number/ result
Monza Silver stone Nurb Le Mans Spa Fuji Kyalami
Team 1000km 1000km 1000km 24h 1000km 1000km 1000km
March Racing, (Porsche) in entry list
Hoshino Racing, 83G-05 (Nissan) #23, 7th
Total points
Works Starts/finishes 1/1 1/1
Driver Team entries and car number
Hoshino Racing
Kazuyoshi Hoshino 23
Akira Hagiwara 23

March-Frt.jpg Source
Chevrolet engine
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Porsche engine
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Nissan engine
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