McLaren M6 group 7 (1967)
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Home » Racing Sports Cars » McLaren M6

68_McLaren-M6B_num28-DV-09-MH-03.jpg Source

Chassis numbers

Specifications

3 units built (M6A)
28 units built (M6B)
Click here for M6A
Click here for Ford M6B-50-10
Click here for M6B Chevrolet 6200
Click here and here and here for M6B Chevrolet 427

Chevrolet Small Block gen. I 302, V8 (90o), 4 stroke, petrol engine
4942cc, 101.6 x 76.2 mm
500 bhp
cast-iron block 229.2mm height, aluminum alloy head
tufftride-hardened forged 1053-steel crankshaft with 5 main bearings 58.4mm diameter
connecting rod length between centers 144.8mm, 50.8mm big end bearing diameter
camshaft in block 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
dry sump

Chevrolet Small Block gen. I 350, V8 (90o), 4 stroke, petrol engine
5882cc
11.0:1
525 bhp / 392 KW @ 7000 rpm
cast-iron block 229.2mm height, aluminum alloy head
tufftride-hardened forged 1053-steel crankshaft with 5 main bearings 58.4mm diameter
connecting rod length between centers 144.8mm, 50.8mm big end bearing diameter
camshaft in block with overhead valves (OHV). 2 valves / cylinder - 16 valves total
aspiration: natural with Lucas multipoint mechanical Fuel Injection
firing order: 1-8-4-3-6-5-7-2
dry sump

Chevrolet Big Block Mark IV 366/370, V8 (90o) cyl, 4 stroke, petrol engine
6073cc, 100.6 x 95.5 mm
580 bhp / 427 KW @ 7000 rpm
cast-iron block and head
camshaft in block with overhead valves (OHV). 2 valves / cylinder - 16 valves total
aspiration: natural with Lucas Fuel Injection
firing order: 1-8-4-3-6-5-7-2
dry sump

Chevrolet Big Block Mark IV 427 ZL1, V8 (90o) cyl, 4 stroke, petrol engine
6997cc, 108 x 95.5 mm
12.5:1
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 multipoint mechanical Fuel Injection
firing order: 1-8-4-3-6-5-7-2
water cooled
dry sump

Chevrolet Big Block Mark IV 494, V8 (90o) cyl, 4 stroke, petrol engine
8095cc
780 HP (574.08 KW) @ 7800 RPM
side camshaft with overhead valves (OHV). 2 valves / cylinder - 16 valves total
firing order: 1-8-4-3-6-5-7-2
water cooled
dry sump

Hewland LG600 5 speed Manual gearbox
Weisman locking rear differential
fibreglass bodyshell on aluminium monocoque chassis. Chassis was made of bonded and riveted magnesium and aluminum alloy paneling box structures, welded to square section steel tubes
Front suspension top links with radius arms, lower wishbones, coil springs over dampers, anti-roll bar
Rear suspension top links, reversed lower wishbones, twin trailing-arms, coil springs over dampers, anti-roll bar
rack and pinion steering
Girling disk brakes, all-round
Length 3886 mm (153 in)
Width 1727 mm (68 in)
Height 787 mm (31 in)
Wheelbase 2324 mm (91.5 in)
Track (fr/r) 1321 mm (52 in) / 1321 mm (52 in)
620kg


Results in WSCC

Season
Car entry Car number/ result
Dayt Sebring Brands Hatch Monza Targa Florio Spa Nurb Le Man Watkins Glen Zeltweg
Team 24h 12h 6h 1000km 1000km 1000km 24h 6h 1000km
John Woolfe Racing, M6B-50-16 (Chevrolet 302) #3, in entry list
Statistics
Starts/finishes 0/0
Driver Team entries and car number
John Woolfe Racing
Bruce McLaren 3
John Woolfe 3

McLaren-M6A-Chevrolet_10.jpg Source
M6A
mclaren_m6b-1968_r5.jpg Source
M6B
pix-mc_laren_can-am_1968_m6_b_ls07_ccc_0058.jpg Source

Drawings

mclaren-m6a.gif Source
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