The Bexhill 100 Motoring Club

PO Box 159

Bexhill - on - Sea

East Sussex

TN39 3XE

Bexhill 100 Motoring Club

Copyright 2011-2012 Bexhill 100 Motoring Club

Bexhill on Sea - The Birthplace of British Motor Racing (1902)

Bexhill 100 Motoring Club official website


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MG Miget MkIII 1967

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Cylinders: 4 Bearings: 3

Bore: 70.6mm Stroke: 81.28mm

Displacement: 1,275 cc

Valves: pushrod/overhead

Cylinder Head: cast iron, lead free

Compression ratio: 8.8 to 1

Carburettors: Twin SU 1.25in type HS2

Power output: 64bhp at 5,800rpm



Maximum speed: 94mph Acceleration: 0-60 mph 14secs

Overall fuel consumption: 30mpg



Integral with steel chassis



Lockheed hydraulic

Front: 8.25in disc Rear: 7in x 1.25in drum


Clutch: 6.5in Borg and Beck,

single dry-plate diaphragm

Gearbox: 4-speed, synchromesh on second, third and top

Ratios: Top 1.0, Third 1.357

Second 1.916 First 3.2

Reverse 4.12

Final drive ratio 3.9 to 1



Rack and pinion,

2.25 turns lock to lock

Turning circle left lock: 32ft 1.5in

Turning circle right lock: 31ft 2.5in


Wheels & Tyres

4 stud 5.5J 13in pressed steel

Wire wheels as optional

145 x 13in radial ply tyres


Front: Independent, coil spring

and wishbone

Rear: Half elliptic, leaf spring


Dimensions & Weight

Wheelbase: 6ft 8in

Track - front: 3ft 10.56in

Track - rear: 3ft 10in

Overall length: 11ft 5.27in

Overall width: 4ft 6.8in

Overall height: 4ft 0.63in

Ground clearance: 5in

Kerb weight: 13.8cwt

Weight distribution: F 52.5%, R 47.5%

Fuel tank: 6 Imp gallons (32 litres)



The MG Midget is a small two-seater sports car produced by MG from 1961 to 1979. It revived a name that had been used on earlier models such as the MG M-type, MG D-type, MG J-type and MG T-type.

The engine grew to 1275 cc using the development seen on the Mini-Cooper 'S'. Enthusiasts were disappointed that this was a detuned version of the 76 bhp (57 kW) at 5800 rpm Cooper 'S' engine, giving only 65 hp (48 kW) at 6000 rpm and 72 lbft (98 Nm) at 3000 rpm. A reduced compression ratio of 8.8:1 was used instead of the 9.75:1 employed on the Cooper S engine. The Midget used the 12G940 cylinder head casting that was common to other BMC 1300 cars, whereas the Cooper 'S' had a special head with not only larger inlet, but also larger exhaust valves; however, these exhaust valves caused many 'S' heads to fail through cracking between the valve seats. The detuned engine was used for reasons of model range placement – with the Cooper 'S' spec engine, the Midget could have been faster than the more expensive MGB. The hydraulic system gained a separate master cylinder for the clutch. The hood was now permanently attached to the car, with an improved mechanism making it much easier to use.