March 85G group C1 (1985)

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Also called Nissan R85V for 1986

Specifications

11 units built
Click here for Buick engine
Click here and here for Nissan engine
Click here for Chevrolet engine

Nissan/Electramotive VG30ET, V6 (60^o) cyl, 4 stroke, petrol engine
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2967cc, 87.1 x 83 mm
8.5:1
680 BHP (500 KW) @ 8000 RPM
509 Ft-Lbs (690 NM) @ 5500 RPM
cast iron block, aluminium alloy head
forged steel crankshaft with 4 main bearings
forged steel connecting rods
piston pin height 31.75mm
SOHC, 2 valves / cylinder. Inconel exhaust valves
aspiration: 2 x Garrett TO3 Turbochargers, multipoint electronic Fuel Injection
turbo pressure, 30PSI to 45PSI
firing order 1 - 4 - 2 - 5 - 3 - 6
5 stage pumps dry sump system

Porsche Type 962/70, Boxer 6 (180^o) cyl, 4 stroke, petrol engine
2869cc, 93 x 70.4 mm
7.5:1
680 hp @ 8200 rpm
487 lb-ft @ 5800 rpm
aluminium alloy block and head
forged steel crankshaft with 7 main bearings
SOHC chain driven, 2 valves/cyl - 12 valves total. 49mm inlet valve diameter, 41.5mm exhaust valve diameter
1 x KKK K36 Turbocharger with Water injection air/air Intercoolers, Bosch Motronic MS1.2 multipoint Electronic Fuel Injection
firing order 1-6-2-4-3-5
water cooled
dry sump

Buick 3.5 lt V6 Turbo
Porsche 935 engine 2.8 lt
590 ch. @ 7 200 t/mn (Pression de mono turbo à 1,2 bar)

March 85T, 5 speed gearbox
aluminium monocoque chassis
front suspension: double wishbones, coil springs over shock absorbers, anti-roll bar
rear suspension: double wishbones with Rocking-arm, coil springs over shock absorbers, anti-roll bar
rack and pinion
brakes: ventilated steel disks all around 356mm diameter with 4 piston calipers
Length 4794 mm / 188.7"
Width 1994 mm / 78.5"
height 1069 mm / 42.1"
Wheelbase 2670 mm / 105.2"
Track (fr/r), 1575 mm (62.0") / 1529 mm (60.2")
Tires, front 325/625-415", rear 350/700-415"
880kg

Results in WSCC

Season


Car entry, chassis number	Car number/ result
	Mugello	Monza	Silver stone	Le Man	Hockenh	Mosport	Spa	Brands Hatch	Fuji	Selangor
Team	1000km	1000km	1000km	24h	1000km	1000km	1000km	1000km	1000km	800km
Hoshino Racing, 85G-8 (Nissan)									#28, 1st
Hoshino Racing, 85G-10 (Nissan)									#28T, spare car
Hasemi Motorsport, 85G-9 (Nissan)									#50, 5th

Total points 16									16
Statistics
Works Starts/finishes 10/3									2/2
Driver	Team entries and car number
Hoshino Racing
Kazuyoshi Hoshino									28, 28T
Hasemi Motorsport
Masahiro Hasemi									50