McLaren M8C group 7 (1970)
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Home » Racing Sports Cars » McLaren M8C

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Chassis numbers

Specifications

10 units built
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Engines

Analytical specifications and drawings

V8 (90o) cylinder
2993cc capacity
DOHC with 4 valves per cylinders
Natural aspiration with Lucas Mark II mechanical fuel injection
Power output, 420 HP / 313 KW @ 9000 rpm
Torque, 366 Nm / 270 ft lbs @ 7000 rpm

Chevrolet Small Block 302, V8 (90o), 4 stroke, petrol engine
4942cc, 101.6 x 76.2 mm
500 bhp
cast-iron block, aluminium alloy head
side camshaft with overhead valves (OHV). 2 valves / cylinder - 16 valves total
aspiration, natural with Lucas Mark II mechanical fuel injection
firing order: 1-8-4-3-6-5-7-2
water cooled
dry sump

Chevrolet Big Block Mark IV 427 ZL1, V8 (90o) cyl, 4 stroke, petrol engine
6997cc, 108 x 95.5 mm
615 HP / 459 kW
460 lb·ft (620 N·m) @ 5200 rpm
356-T6M Aluminum Block with 248.9mm deck height and 123mm bore spacing, aluminium alloy head
forged premium alloy 5140 steel crankshaft with 5 main bearings, 70mm diameter
Moraine M400 aluminum plain main bearings
connecting rod length between centers 155.8mm
side camshaft with overhead valves (OHV). 2 valves / cylinder - 16 valves total
aspiration, natural with Lucas Mark II mechanical fuel injection
firing order: 1-8-4-3-6-5-7-2
water cooled
dry sump

Hewland LG500, 4 speed manual gearbox
fibreglass body on aluminium monocoque chassis
Front suspension top links with radius arms, lower wishbones, coil springs over dampers, anti-roll bar
Rear suspension single top links, reversed lower wishbones, twin radius arms, coil springs over dampers, anti-roll bar
rack and pinion steering
ventilated discs, all-round
Length 3886 mm (153 in)
Width 1880 mm (74 in)
Height 762 mm (30 in)
Wheelbase 2387 mm (94 in)
Track (fr/r) 1473 mm (58 in) / 1397 mm (55 in)
650kg


Results in WSCC

Season
Group 6
Car entry, chassis number Car number/ result
Dayt Sebring Brands Hatch Monza Targa Florio Spa Nurb Le Man Watkins Glen Zeltweg
Team 24h 12h 1000km 1000km 1000km 1000km 24h 6h 1000km
Ecurie Evergreen, M8C-70-07 (Cosworth) #59, ignition
Statistics
Starts/finishes 1/0 1/0
Driver Team entries and car number
Ecurie Evergreen
Chris Craft 59
Trevor Taylor 59

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