March 83G group C1 (1983)

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Chassis numbers
March Chassis History

Specifications

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 (180^o) 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

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Chevrolet Small Block Gen. I 350

Analytical specifications and drawings

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

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)
900kg

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Results in WSCC

1983Season

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 4						4
Statistics
Works Starts/finishes 1/1						1/1
Driver	Team entries and car number
Hoshino Racing
Kazuyoshi Hoshino						23
Akira Hagiwara						23

1984Season

Car entry, chassis number	Car number/ result
	Monza	Silver stone	Le Man	Nurbur	Brands Hatch	Mosport	Spa	Imola	Fuji	Kyalami	Sandown Park
Team	1000km	1000km	24h	1000km	1000km	1000km	1000km	1000km	1000km	1000km	1000km
Hoshino Racing, 83G-05 (Nissan)									#30, eng ine
Statistics
Works Starts/finishes 1/0									1/0
Hoshino Racing
Kazuyoshi Hoshino									30
Akira Hagiwara									30

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Source
Chevrolet engine
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Porsche engine
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Nissan engine