Design analysis, 1961
Engine at front: 87 1/2%.
Engine at rear: 12 1/2%.
No. of cylinders: Four = 48 1/2%, Six = 22 1/2%, Eight = 15 1/2%, Two = 8 1/2%, Three = 3 1/2%, Twelve = 1%, One = 1/2%.
Cooling: Water = 89 1/2%, Air = 10 1/2%.
Arrangement of cylinders: In-line = 74%, Vee = 18%, Horizontally-opposed = 8%.
Valve location and actuation: Push-rod o.h.v. = 73 1/2%, Twin o.h.c. = 14 1/2%, Single o.h.c. = 5%, Two-Stroke = 5%, i.o.e. = 1%, Side valve = 1%.
Make of carburetter: Solex = 29%, S.U. = 25 1/2%, Zenith = 11 1/2%, Weber = 10 1/2%, Unspecified = 6%, Carter = 4 1/2%, Rochester = 3 1/2%, Bing = 3%, Bosch fuel injection = 3%, Holley = 2%, Jikov = 1 %, Amal = 1/2%.
Clutch: Single dry plate = 85 1/2%, Torque converter = 8%, Fluid coupling = 3%, Multi wet plate = 1 1/2%, Multi dry plate = 1%, Centrifugal = 1%.
Gearbox: 4-speed = 76%, 3-speed = 12 1/2%, Automatic = 11 1/2%.
Gear-change: Central = 62%, Steering column = 32 1/2%, Facia = 5%, Right-hand = 1/2%.
Final drive: Hypoid = 74 1/2%, Spiral bevel = 21%, Spur gears = 3%, Worm and wheel = 1%, Chain = 1%. (Rear-wheel drive = 90%, Front-wheel drive = 10%.)
Brakes: Drum = 64 1/2%, Disc at front = 22%, Disc all round = 13 1/2%. (Non-servo = 79%, Servo = 21%.)
Front suspension: Independent coil-spring = 76%, Independent torsion bar = 12 1/2%, Independent transverse leaf-spring = 7 1/2%, Independent rubber in torsion = 3%, Independent hydro-pneumatic = 1%.
Rear suspension: Non-independent 1/2-elliptic leaf-spring = 45%, Independent coil-spring = 20%, Non-independent coil-spring = 12%, Independent transverse leaf-spring = 4%, Independent torsion bar = 4%, Non-independent torsion bar = 4%, Independent rubber in torsion = 3%, Non-independent 1/4-elliptic leaf-spring = 2%, Non-independent cantilever leaf-springs = 1 1/2%, Non-independent transverse leaf-spring = 1 1/2%, Independent hydro-pneumatic = 1%, de Dion axle with torsion bars = 1%, de Dion axle with 1/2-elliptic leaf-springs = 1%. (Non-independent rear suspension = 66%, Independent rear suspension = 32%, de Dion axle = 2%.)
Electrical equipment: 12-volt = 92%, 6-volt = 8%.