Austin A55 Cambridge 1957-58 specifications

Engine
4 Cylinder in line,ohv
Bore: 73mm
Stroke: 89mm
Displacement: 1,489cc
Compression ratio: 83 to 1
Carburettors: Zenith downdraught
Max power: 51bhp at 4,250rpm

Performance
Maximum speed: 80.1mph
Acceleration: 0-60mph 21.9secs
Overall fuel consumption: 29mpg

Transmission
Clutch: 8in s.d.p. Borg & Beck
Gears: 4-speed manual
Ratios: Top 4.3, 3rd 6.15, 2nd 10.35,
1st 16.98, reverse22.18
Propellar Shaft: Hardy Spicer open
Final drive: Hypoid bevel

Construction
Unitary

Brakes
Girling hydraulic, 9in Drums all round
Friction lining area: 121 sq.in

Steering
Cam and lever
Turning circle: 35ft
Steering wheel: 3 turns lock to lock

Suspension
Front: Independent coil
Rear: Semi-elliptic leaf with
torsion anti-roll bar
Shock absorbers front: Armstong hydraulic telescopic Rear: Girling PV7

Wheels & tyres
Pressed steel disc, 5.90 x 13in crossply

Dimensions & Weight
Wheelbase: 8ft 3.7in
Track - front: 4ft .5in
Track - rear: 4ft 1in
Overall length: 13ft 11in
Overall width: 5ft 1.5in
Overall height: 5ft 0.25in
Ground clearance: 6in
Turning circle: Left 35ft
right: 34ft 6in
Front/rear distribution: 56/44
Tank capacity: 8.75 Imp gallons
Sump capacity: 8.25 pints inc. filter
Kerb weight: 20.25cwt

Production
1957-1958 154,000
Longbridge, Birmingham, England