Austin Healey 100M 1955-56
See specifications and old brochure cover below illustration
Page 38E
Austin Healey 100M 1955 Le Mans specifications
Engine (A90)
OHV 4 Cylinder in line
Bore: 87.3mm
Stroke: 111.1mm
Displacement: 2,660cc
Compression ratio: 8.1 to 1
Carburettors: twin SU H6
Power output: 110bhp at 4,500rpm

Maximum speed: 115 mph
Acceleration: 0-50 mph 7.2secs,
0-60mph 9.6sec
AFC: 16-34mpg

Hydraulic Girling
Front & Rear: 11in drums

Transmission: 4-speed manuak with overdrive on top 2 gears

Pressed steel tub welded to pressed steel, hollow box section, ladder type chassis. Steel doors, bonnet, boot, wings. Aluminium bonnet & boot surrounds.o

Cam and peg, turning circle: 35ft

Front: Independent coil and wishbones, lever arm dampers
Rear: Live axle, half-elleptic springs
Panhard rod, lever arm dampers

Centre lock wire 15in wheels
5.5 x 15in crossply tyres

Dimensions & Weight
Wheelbase: 7ft 8in
Track - front: 4ft
Track - rear: 4ft 1in
Overall length: 13ft 1in
Overall width: 5ft 01/2in
Overall Height(with hood up):4ft 1in
Ground clearance: 51/2in
Unladen weight: 2,170 lbs

Production 1953-56
BN1 1953-55 10,633
100S 1953-55: 55
BN2 1955-56 3,765
100M 1955-56: 55