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Montjuich, 27 April 1975: Niki Lauda, Drivers' World Champion with Ferrari in 1975 and 1977



Model

312 T


Type


Formula 1 racing car.

Years of activity


1975/1976.

First race


South African Grand Prix of 1.3.1975.

Engine


Type 015. 12 cylinders in 180° V. Rear-mounted. Light alloy cylinder block and head, press-fitted aluminium cylinder liners, 112 mm connecting rod. Water cooled.

Bore and stroke


80 x 49.6 mm.

Unitary and total capacity


249.317 / 2,991.801 cc.

Compression ratio


11.5:1.

Max. power output


495 bhp at 12,200 rpm.

Timing gear


4 valves per cylinder, 2 overhead camshafts per bank of cylinders, gear drive at rear.

Fuel feed


Lucas indirect injection.

Ignition


Single. žDinoplexÓ electronic capacitive discharge, coil-ignition.

Lubrication


Pressurised. Dry sump.

Transmission


Rear. Borg & Beck multi-plate clutch. 015 gearbox with 5 speeds + reverse, transverse (inside wheelbase), limited slip friction plate differential.

Gear ratios


Variable depending on racing circuit.

Frame


Type 015. Stress-bearing body. Aluminium panels riveted to rectangular section steel tube structure with boxed supports.

Front suspension


Double wishbone: double triangles, inboard spring/ dampers units and anti-roll bar.

Rear suspension


Double wishbone: upper arm, lower trapezium and 1 central strut.

Steering


Rack and pinion.

Brakes


Discs and Lockheed callipers. Inboard at rear.

Tyres


Front 9.2-20.0-13Ó, rear 16.2-26.0-13Ó. Goodyear.

Rims


Multipiece. Front 10x13Ó, rear 17/18x13Ó.

Wheelbase


2,518 mm.

Front/rear track


1,510 mm / 1,530 mm.

Length


4,143 mm.

Width


2,030 mm.

Height


1,275 mm.

Weight with water and oil


606 kg.

Fuel tank


200 litres. 2 side and 1 central tanks.

Battery


12 Volt Safa.

Bodywork


Single-seater aluminium body and composite elements.