MGA Roadster 1955-58 (basic disc wheels) See specifications and an old advert below illustration. To MGA page. Page 056A |
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Engine: (BMC B series) 4 cylinder inline, cast iron block, OHC
Bore & Stroke: 73mm x 88.9mm Displacement: 1,488cc Compression ratio: 8.3 to 1 Carburation: petrol, twin 1.5 H4 SU Power output: 72bhp at 5,500rpm Maximum speed: 95.1mph 0-60mph: 14.5secs O.F.C.: 24.5mpg Construction: all steel body on boxed sectioned steel chassis Transmission: 4-speed, synchromesh on 2nd, 3rd & top, 8in Borg & Beck ingle dry-plate clutch, RWD Propeller Shaft: Hardy Spicer open shaft, needle bearing U/Js Rear axle: three-quarter floating with hypoid drive Wheels: 5.6J x 15 ventilatd pressed steel (optional: centre lock wire) Brakes: hydraulic Lockheed F: 10.75in disc, R: 10 x 1.75in drum Steering: rack and pinion, 3 turns lock to lock Suspension F: Ind. coil & wishbone, R: half-elliptic, leaf spring |
Dimensions
Wheelbase: 7ft 10in Track F: 3ft 11.5in, R: 4ft 0.75in Overall length: 13ft Overall width: 4ft 10in Overall height: 4ft 1.4in Ground clearance: 6in Turning circle: 28ft Kerb weight: 2,020 lb Fuel tank: 10 Imp. gals MGA Production: 1500 Roadster 1955-59: 52,478 built |