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Mike Parkes



Model

312 F1 - 1966


Type


Formula 1 racing car.

Years of activity


1966/1967.

First race


Siracusa Grand Prix of 1.5.1966.

Engine


Type 218. Rear-mounted. 12 cylinders in 60° V (derived from 216), light alloy cylinder block and head, press-fitted special cast iron cylinder liners, 126 mm connecting rod, water cooled.

Bore and stroke


77 x 53.5 mm.

Unitary and total capacity


249.1297 / 2,989.556 cc.

Compression ratio


11.8:1.

Max. power output


360 bhp at 10,000 rpm.

Timing gear


2 valves per cylinder, 2 overhead camshafts per bank of cylinders, chain drive.

Fuel feed


Lucas indirect injection.

Ignition


Double. 2 coil-ignition units and 4 coils.

Lubrication


Pressurised with radiator. Dry sump.

Transmission


Rear. Borg & Beck multi-plate clutch, 589 rear longitudinal overhanging gearbox with 5 speeds + reverse, self-locking plunger-type differential.

Gear ratios


Variable depending on racing circuit.

Frame


Type 589. Stress-bearing body. Aluminium panels in double wall riveted to steel tube structure.

Front suspension


Double wishbone, upper arm, lower triangle, inboard spring/damper units, anti-roll bar.

Rear suspension


Double wishbone: upper arm, inverted lower triangle, 2 longitudinal struts and anti-roll bar.

Steering


Rack and pinion.

Brakes


Girling discs and callipers. Inboard at rear on differential housing, independent hydraulic circuits, 2 pumps.

Tyres


Front 5.50x14, rear 7.00x14. Dunlop.

Rims


Cast light alloy. Front 7.50x14. Rear 9.50x14.

Wheelbase


2,400 mm.

Front/rear track


1,450 / 1,435 mm.

Length


3,830 mm.

Width


760 mm.

Height


870 mm.

Weight with water and oil


610 kg.

Fuel tank


158 litres in 5 Pirelli rubber containers.

Alternator/dynamo


Marelli DSAE 4081 B.

Battery


12 Volt Safa.

Bodywork


Aluminium single-seater body with composite elements.