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1968 MG Midget Specification
Body/Chassis
Fibreglass flip front
Works hardtop single skinned with polly carbonate windows
Pollycarbonate side windows
Fibreglass Boot lid
RWA wings
Engine
A-series 1275cc re-bored to +60 fitted with AE 21253 Pistons on Cooper S rods.
STD Crank crack tested and nitro carbonised and fitted with glacier bearings.
Kent 296 camshaft, lightened Kent followers, STD pushrods, Metro drive oil pump, alloy veneer belt drive for the camshaft, Cylinder head Gas flowed and unleaded seats, 220lb valve springs, STD rockers, 11:1 compression ratio.
Dyno tuned at Peter Burgess rolling road. 19/2/09
96BHP at the wheels at 5800rpm
118BHP at the flywheel
Future Modifications replace inlet valves with 1.4 inch MG METRO valves
Up compression ratio to 12.7 : 1
Calculate the ratio with the AF460 head gasket at 3.8cc so can be reduced to 2.8cc with the use of the AF470 head gasket
Carburettor/Fuel system
Webber 45 DCOE on 6” polished maniflow steel manifold,
38MM Chokes
Air correctors 155
Petrol jets 185
F16 emulsion tubes
Facet Fuel Pump
Filter King 85mm fuel regulator and filter
Fuel lines inside car
4.5 Gallon aluminium foam filled fuel tank in the boot with alloy breather valve
Ignition
Aldon Red distributor with points
Timing set at 26degrees total advance at 4000rpm
DLB 105 sports coil
BP7ES NGK Plugs
Exhaust
3 into 2:1 Manifold as Vizard’s designs
RC40 mini exhaust straightened to fit midget.
Transmission
STD Gearbox, 3.9:1 OR 4.2:1 differential depending on circuit
7.5 inch Peter May clutch and modified flywheel
1098 slave cylinder to achieve correct lever movement
Goodridge braided clutch hose
Steering
Mountney steering wheel
Rack and pinion std components
Suspension
Front
380lb springs 8” long, Polly bushes throughout
30% up rated leaver arm dampers
11/16 anti roll bar with alloy mountings and rose jointed drop links
Peter May negative camber top trunions
Rear
1” lower springs, 1” lowering blocks,
Polly bushed throughout
Mini telescopic dampers
Brakes
Std New Front Callipers with up rated Mintex M1155 pads
STD new rear drums and shoes.
Stainless steel braided hoses front and rear
Wilwood ¾” master cylinder and remote reservoir
Bias Valve
Brake lines through car
Wheels/tyres
5.5 * 13 “ Minilites, 185 60 13 Yokohama A032R Super soft compound
Safety Equipment
FIA 6 point Rollcentre roll cage with 2 door bars,
SRS FIA 6 point harness,
AFFF 2.25l plumbed in extinguisher.
FIA Monza seat
Battery box on passenger floor
FIA Master Switch
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