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MG J4

(1933 model)

Brief specs of 1933 MG J4

2-door 2-seater roadster, 4-cylinder 8-valve straight (inline) engine, SOHC (single overhead camshaft), 746 cm3 / 45.5 cu in / 45.5 cu in, 53.7 kW / 72.0 hp / 72.0 hp @ 6000 rpm / 6000 rpm / 6000 rpm, rear wheel drive, 142 km/h / 88 mph / 88 mph top speed

units: metric UK US

Basic (general) data

Marque (make)MGIssued from1933
ModelJ4Issued until
SerieJ4Number made
Model familyBody construction
Model codeBody designation
ManufacturerMGCountryUK

Bodywork

Base platformNumber of doors2
Bodywork typeroadsterNumber of seats2
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length3353 mm / 132.0 in / 132.0 inTotal (curb) weight660 kg / 1455 lb / 1455 lb
Width1295 mm / 51.0 in / 51.0 inDry weight
HeightLoad capacity
Wheelbase2184 mm / 86.0 in / 86.0 inGross (max.) weight
Track front1067 mm / 42.0 in / 42.0 inTowing weight
Track rear1067 mm / 42.0 in / 42.0 inWeight distribution (front)
Ground clearanceFuel capacity
Length/wheelbase ratio1.54  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders4
Engine Typestraight (inline) Total number of valves8
Engine ManufacturerMorrisValves per cylinder2
Engine constructionBore57.0 mm / 2.24 in / 2.24 in
FuelStroke73.0 mm / 2.87 in / 2.87 in
Fuel detailsBore/Stroke ratio0.78
Fuel supply1 SU carbEngine displacement746 cm3 / 45.5 cu in / 45.5 cu in
Engine Main bearingsUnitary capacity186.50 cm3/cylinder / 11.381 cu in/cylinder / 11.381 cu in/cylinder
Cam DesignSOHC (single overhead camshaft)Compression ratio
SumpMax. output power53.7 kW / 72.0 hp / 72.0 hp at 6000 rpm / 6000 rpm / 6000 rpm
AspirationsuperchargedMax. torque at
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)3.6 kW / 4.8 hp / 4.8 hp (est.)
CoolantwaterSpecific output72.0 kW/l / 1.582 bhp/cu in / 1.582 bhp/cu in
Catalytic converternoSpecific torque

Transmission

Transmission typeNumber of gears
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)19.80 s / 19.80 s / 19.80 sTop (maximal) speed142 km/h / 88 mph / 88 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio109.1 kW/ton / 82.7 bhp/ton / 82.7 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of MG J4

Infobox

Car Insurance FAQs #3

Why is the insurance company not returning all of my premium after the policy was canceled?

Depending on the type of policy, you may be required to pay a minimum premium, or the premium may be fully "earned." In other instances, if you replaced your coverage with a different company, during the policy term, you may be subject to a "short-rate" penalty, which is usually about 10% of the unearned amount. You might also have some premium due for recent changes in coverage. The company should be able to provide a detailed billing history that explains the return-premium calculation.

Am I required to complete a medical questionnaire?

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