MGA Twin Cam 1958-60 Specifications

Engine
Double overhead camshaft
4 Cylinders in line
Bore: 75.4 mm
Stroke: 89 mm
Displacement: 1588 cc
Compression ratio: 8.3:1
Carburettors: Twin 1.5 SU H6
Power output: 108 bhp at 6700 rpm
Engine No: 16 GBU 1689

Performance
Maximum speed: 115 mph
Acceleration: 0-60 mph 9.7 secs
Overall fuel consumption: 30 mpg

Transmission
Clutch: 8 in Borg and Beck,
single dry-plate diaphragm
Gearbox: 4-speed, close ratio
synchromesh on 2nd, 3rd
and top gears
Ratios: Top 1.0, 3rd 1.27,
2nd 1.62, 1st 2.45, reverse 3.19
Brakes
Hydraulic 11in Dunlop disc all round

Steering
Cam gears rack and pinion,
3 turns lock to lock

Construction
Rigid box section steel chassis,
separate steel body, plywood floor
Chassis No: YD1 2172

Suspension
Front: Independent, coil spring, wishbone

Wheels
15in centre lock ventilated disc wheels with 5.90 x 15in radial tyres

Dimensions & Weight
Wheelbase: 7ft 10in
Track - front: 3ft 11in
Track - rear: 4ft 0.75in
Overall length: 13ft
Overall width: 4ft 10in
Overall height: 4ft 2in
Ground clearance: 4.5in
Unladen weight: 18.21cwt
Fuel tank capacity: 10gals

Production
2,111 1958 to early 1960
Price new: £854.10s + £428.12s purchase tax, total: £1,283.2s