Identifying Features:
Vee radiator, low build; usually with rakish body; rear axle passing through frame, multiple exhaust pipes, dry sump

Years Made
(approx): T57S, 1936-38; 57SC, 1937-38

Number Made:
40

Engine:
No of cylinders: 8
Bore x stroke: 72 x 100mm
Capacity: 3257cc
BHP (approx): T57S: 170; T57SC: 200
RPM Limit (prudent): 5500
Camshafts: dohc
Valves (per cylinder): 2
Camshaft drive: Rear, spur train, helical
Crankshaft bearings: 6 plain, plain rods
Lubrication: Dry Sump
Supercharger (Roots): 57SC only
Carburettor: Bugatti or Stromberg UUR2
Ignition: Scintilla Vertex
Plugs per cylinder: 1
Firing Order: 1, 6, 2, 5, 8, 3, 7, 4

Clutch:
Type: Dry, two plates

Gearbox:
Location: Integral with engine, 4-speed and reverse
Gear change lever: Central, Top back

Rear Axle:
Normal Ratio: 11/46 = 4.18

Dimensions:
Wheelbase: 117.3in (2.98m)
Track: 53.1in (1.35m)
Chassis Weight (approx): 2100lb (950kg)

Brakes:
Location and Type: 4-wheel, 1936-38 cable operated
Brake drum diameter: 350mm

Wheels:
Type: Rudge wire
Tyre size: original and modern fitment, 18 x 5.50, front; 18 x 6.00 rear

Crossbreeding with Other Types:
Derived from T57 and T57C; engine very similar to that of T59 GP car