Technical Data, Singer 4AD Roadster

Engine

  • Type: 4 cylinder in-line, one overhead camshaft
  • Cubic capacity: 1497cc
  • Bore x Stroke:  73 x 89.4mm
  • Compression ratio: 7:1
  • Carburettors: Two Solex 30 FAI, downdraught
  • Max. power: 58 BHP @ 4200rpm
  • Max. torque:  98 Nm @ 2200rpm

Dimensions

  • Length:  3886mm (12' 9")
  • Width:  1473mm (4' 10")
  • Height: 1486mm (4' 10.5")
  • Track:  Front & Rear 1187mm (3' 10.75")
  • Wheelbase: 2311mm (7' 7")
  • Weight: 787kg (15.5 cwt)

Chassis

  • Steering: Burman, worm & nut
  • Brakes: Girling hydro-mechanical
    • Front, hydraulic, drum diameter 9in
    • Rear, mechanical, drum diameter 9in
  • Tyres: 5.00 x 16 on 16" pressed-steel wheels

Number Made

  • 4AD (1951-56): 3440 pcs (All 4AD models, both single and twin carburettor)
  • 4ADT (1953-55): 700 pcs (Twin carburettor version)

My car is a 1954 4ADT, chassis number L4AD 3160 X, one of the 700 original twin carburettor versions.

Detailed production figures can be found here

 

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