Austin A90 Atlantic Convertible 1949-52 specifications

Engine
OHV 4 Cylinder in line
Bore: 87.3mm
Stroke: 111.1mm
Displacement: 2,660cc
Compression ratio: 7.5 to 1
Carburettors: twin SU
Power output: 88bhp at 4000rpm

Performance
Maximum speed: 92.5mph
Accel. 0-60mph: 16.6secs
AFC: 22mpg

Brakes
11in drums F&R
Front: hydraulic, Girling
Rear: mechanical (hydraulic from 1951)
Friction lining area: 133sqin

Transmission
Rear wheel drive
Clutch: Borg & Beck single dry plate
Ratios- Top: 3.67, 3rd: 5.18,
2nd: 8.25, 1st: 13.65
Prop shaft: Hardy Spicer open
Final drive: spiral bevel

Construction
Pressed steel tub welded to hollow box section steel chassis.

Suspension
Front: Independent coil and wishbones
Rear: Live beam axle, semi-elleptic leaf springs
Shock absorbers: Armstrong hydraulic

Steering
Burman cam and peg
Turning circle: 39ft
Turns lock to lock: 2.5

Wheels
16in Pressed steel
5.50 x 16in crossply tyres

Dimensions & Weight
Wheelbase: 8ft 0in
Track - front: 4ft 5.1in
Track - rear: 4ft 7.5in
Overall length: 14ft 9.1in
Overall width: 5ft 10in
Overall Height:5ft 0in
Ground clearance: 6.5in
Unladen weight: 26.5cwt
Fuel tank:12.5gals

Production
1949-52(convertible)
1950-52(saloon) Longbridge, Coventry
7.981 produced