Type

4/5S SAL

Number of doors

4

Wheelbase

2940 mm 115.7 in

Track: Front

1422 mm 56 in

Track: Rear

1473 mm 58 in

Kerb weight

1647 kg 3631 lb

Fuel capacity

60.6 litres 13.3 UK Gal 16 US Gal

Bore

84.10 mm

Cylinders

S-6

Displacement

3.9 litre3916 cc(238.969 cu in)

Construction

cast iron block

Sump

Wet sumped

Compression ratio

4.30:1

Fuel system

1 Marvel T3-10-704 carburettor

Maximum power

75 PS (74 bhp) (55.2 kW)@ 2800 rpm

Specific output

18.9 bhp/litre0.31 bhp/cu in

Maximum torque

233.0 Nm (172 ft·lb) (23.8 kgm)@ 1200 rpm

bmep

747.7 kPa (108.4 psi)

Specific torque

59.5 Nm/litre

Manufacturer

Buick

Main bearings

4

Coolant

Water

Bore/stroke ratio

0.72

Unitary capacity

652.67 cc/cylinder

Aspiration

Normal

Compressor type

N/A

Intercooler

None

Catalytic converter

N

Power-to-weight

44.93 bhp/ton

Engine location

Front

Engine alignment

Longitudinal

Drive

RWD

Suspension

front

Tyres: Front

30 x 5.50

Tyres: Rear

30 x 5.50

Brakes F/R

Dr/Dr

Transmission

3 speed manual

Top gear ratio

1.00

Final drive ratio

4.90

RAC rating

26.3

Number made

44345

year

1928