1933 MG J4

The J4 is an automobile from MG, with rear wheel drive, a front mounted engine and a 2 door roadster body style. The power is produced by a supercharged engine of 0.7 litre capacity. This powerplant features single overhead camshaft valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 72 bhp (73 PS/54 kW) of power at 6000 rpm. The MG J4 weighs a stated 660 kg at the kerb. Maximum claimed speed is 142 km/h (88 mph).
Full specs

Body type
2 door roadster with 2 seats
Length
3353 mm
Weight
660 kg
Engine type
supercharged petrol
Engine size
0.7 litre
Cylinders
4, Straight
Power
73 PS / 72 bhp / 54 kW @ 6000 rpm
Torque
Unknown
Top speed
142 km/h / 88 mph

1933 MG J4 specifications

1933 MG J4 data
bodywork
Français Deutsch Nederlands Italiano Español English
Body type	2 seater roadster
Number of doors	2
Designer
dimensions & weights
Wheelbase	2184 mm	86 inches
Track/tread (front)	1067 mm	42 inches
Track/tread (rear)	1067 mm	42 inches
Length	3353 mm	132 inches
Width	1295 mm	51 inches
Height
Ground clearance
length:wheelbase ratio	1.54
Kerb weight	660 kg	1455 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	supercharged petrol
Engine manufacturer	Morris
Engine code
Cylinders	Straight 4
Capacity	0.7 litre 746 cc (45.524 cu in)
Bore × Stroke	57 × 73 mm 2.24 × 2.87 in
Bore/stroke ratio	0.78
Valve gear	single overhead camshaft (SOHC) 2 valves per cylinder 8 valves in total
maximum power output	73 PS (72 bhp) (54 kW) at 6000 rpm
maximum torque
Specific output	72 kW/litre 97.9 ps/litre 96.5 bhp/litre 1.58 bhp/cu in
Engine construction
Lubrication
compression ratio
Fuel system	1 SU carb
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant	Water
Unitary capacity	186.5 cc
Aspiration	S/Charged
Compressor
Intercooler
Catalytic converter	N
performance
Acceleration 0-80km/h (50mph)	19.8 s
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed	142 km/h (88 mph)
Power-to-weight ratio	Higher is better 110.61 PS/tonne (1000 kg) 0.11 PS/kg 81.35 kW/tonne (1000 kg) 0.08 kW/kg 109.09 bhp/tonne (1000 kg) 0.11 bhp/kg 0.05 bhp/lb
Weight-to-power ratio	Lower is better 12.29 kg/kW 20.53 lb/bhp
fuel consumption
Fuel consumption
universal fuel consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carbon dioxide emissions
Carfolio Calculated CO₂ ^?
VED band (UK)
CO₂ Effizienz (DE)
chassis
Engine position	front
Engine layout	longitudinal
Drive wheels	rear wheel drive
Torque split	N/A
Steering
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox
Top gear ratio
Final drive ratio
general
Carfolio.com ID	8118
Production total
Model code
RAC rating	8.1
Insurance classification	No information available
Tax band	No information available
1933 MG J4 added before December 1995. Last modified 2013-02-28.