Engine : Two 6-cylinder units. Bore and Stroke : 65 x 88 mm. Capacity : 3,495 c.c. Maximum Power : 300 h.p. Maximum Speed : 4,800 r.p.rn. Compression Ratio : 51 to 1. Valves : 2 per cylinder, overhead at 900
Camshafts : Overhead, 2 per engine.
Timing : Inlet, opens : 5′ lead ; closes : 350 la,. Exhaust opens : 45′ lead, closes 13° lag. Crankshafts : On 5 plain bearings. Connecting Rods. H-Section.
Pistons : Aluminium, 4 rings.
Ignition : Bosch coils.
Lubrication : Forced, single pump per engine.
Carburettors : Memini.
Superchargers : Roots type.
Clutches : Dry-plate.
Gearboxes : 4-speeds. Transmission : Two cardan shafts, enclosed in
Wheels. Rudge-Whitworth. Tyres : 30 x 6′.
Wheelbase : 9ft. 6ins.
Track : 4ft. 9ins.
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