Spa-Francorchamps , 5 June 1955: Paul Frere, fourth in the Belgium Grand Prix
Formula 1 racing car.
Years of activity
Bordeaux Grand Prix of 24.4.1955.
Type 106. 4 cylinders in line, aspirated, front-mounted, light alloy cylinder block and head, 138 mm connecting rod, steel cylinder liners, water cooled.
Bore and stroke
100 x 79.5 mm.
Unitary and total capacity
624.39 / 2,497.56 cc.
Max. power output
260 bhp at 7,200 rpm.
2 valves per cylinder, 2 overhead camshafts with tappets and rollers, gear drive at front.
2 twin-choke horizontal Weber 50 DCOA-3 carburettors.
Double with 2 Marelli magnetos.
Forced, with dry sump.
Rear. Multi-plate clutch, gearbox with 5 speeds + reverse, rear- mounted in block with self-locking differential.
Variable depending on racing circuit.
Steel tube frame.
Double wishbones: double triangles, coil springs and anti-roll bar.
De Dion live axle, 2 longitudinal struts, transverse upper leaf spring, Houdaille hydraulic lever dampers.
Worm and sector.
Finned bimetallic drums on all four wheels with hydraulic control.
Front 5.50x16", rear 7.00x16". Englebert.
Spoked light alloy.
1,278 mm / 1,250 mm.
Weight with water and oil
Fuel tank (litres)
180 with 2 side and 1 tail tank.
Aluminium single-seater body with 2 side tanks.