MG Magnette Mark IV
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Production | 1961 to 1968 |
Class | Motor Car |
Body | 4 door saloon |
Engine | 1.6 L B-Series I4 |
Wheel base | 100.25 in, 2546 mm |
Length | 177.95 in, 4520 mm |
Width | 63.00 in, 1600 mm |
Height | 58.00 in, 1473 mm |
Dry weight | 2452 1b, 1112 kg |
The MG Magnette Mark IV was a car built By BMC under the MG Brand name in the 1960s
History
The previous Mark III was updated in 1961 as the Mark IV the car now had a longer wheelbase of 100 inches and wider track with large wrap-round bumpers front and rear with over-riders giving the car a distribution of weight 54.6 % to front axle, and 45.4 % at rear axle. From the outside not much had change, the Mark IV was almost identical to the Mark III shape, but less pointed tailfins bring the car into the 60s fashion. built with the same British Motor Corporation (BMC) ADO38 platform with the mono-construction 4-door saloon body that incorporates the body shell. floor, bulkhead, frame members and Wing valances as the also made Austin A60 Cambridge, MG Magnette Mark IV, Morris Oxford Series VI, Riley 4/72/Comet, and Wolseley 16/60 that came fitted with luxury features such as deep, well-sprung upholstery with foam-rubber seat cushions; leather upholstery with leather-cloth on non-wearing parts; walnut-veneer fascia and door cappings.large luggage boot (trunk),with 19 cu.ft capacity, with counterbalanced lid the spare wheel is also stowed in special carrier below luggage boot.
Inside a Speedometer and oil gauge; ammeter, engine temperature a Lighting panel combined windshield wiper switch: mixture indicator control on steering-column Safety glass laminated glass pile carpets with under-felt; 4 ashtrays; 2 sun visors; door fixed handles and push-button lock release: front seats vidual adjustment; folding arm-rest in rear seat: arm-rests box in fascia with locking lid; sponge-rubber parcel tray ; provision for fitting H.M.V. radio.
A larger 1.6 L (1622 cc) 4 cylinder B-Series engine, with capacity increased by increasing the bore to 76.2 mm, was fitted With traditional rear wheel drive and mechanical 4 speed gear box with synchromesh gears on 2nd, 3rd, 4th, also an Borg-Warner Automatic transmission was offered as an option. Suspension at the front independent, wishbones,the rear suspension rigid axle, semi-elliptic leaf-springs with lever dampers andanti-roll bars front and rear. For stoping power 9 in. (22.9 cm.) diameter brake drums front and rear on 14" Ventilated disc-type wheels with 4-stud fixing and Dunlop 590-14 tubeless tyres.
PERFORMANCE:
- Engine capacity: 99.20 cu in, 1622 cu cm
- Fuel consumption: 28.2 m imp gal, 23.5 m US gal
- Max speed: 86 mph, 138.5 km h
- Max power (SAE): 71 hp at 5000 rpm
- Max torque (SAE): 89 1b ft, 12.3 kgm at 2500 rpm
- Max number of engine rpm: 5700
- Specific power: 43.8 hp/l
- Power-weight ratio: 34.6 lb/hp, 15.7 kg/hp
- Acceleration: O—50 mph (0—80 km/h) 13.2 sec
- Max speed in 1st gear: 25 mph, 40.2 km/h; max speed In 2nd gear: 40 mph, 64.4 km/h; max speed in 3rd gear: 62 mph. 99.8 km/h;
Max speed in 4th gear: 86 mph, 138.5 km/h
Body and inside trim colours : Single colours. Smoke Grey with Blue upholstery and Bluecarpet. Tartan Red with Grey upholstery and Red carpet. Rose TaupeTerracotta upholstery and Rose Taupe carpet. Connaught Green Green upholstery and Green carpet. Old English White with Terracotta upholsteryand Rose Taupe carpet. Black with Grey upholstery and Red carpet.Terracotta upholstery and Rose Taupe carpet.Duotone colours: Connaught Green and Old English Rose Taupe Old English White. Smoke Grey and Old English White. Old White and Sandy Beige.The first colour is always the top colour, and the upholstery and carpet are the same as those available for the top colour in the single-tone.
14,320 Mark IVs were built up to 1968 the last sold by 1969. the Magnette was finally discontinued without a successor.
Description
Technical
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MG Magnette Mark IV Technical details and specifications (1961-1968)
ENGINE:
location front, 4 stroke
cylinders: 4, vertical, in line
bore and stroke 3.00 x 3.50 in, 76.2 x 88.9 mm
engine capacity: 99.20 cu in, 1622 cu cm
compression ratio: 8.3:1
cylinder block: cast iron
cylinder head: cast iron
crankshaft bearings: 3 counterbalanced crankshaft; aluminium-alloy pistons
valves: 2 per cylinder, overhead, in line, with push rods and rockers
camshaft: 1, side
lubrication: gear pump, full flow filter
carburation: 2 SU type HD 4 semi-downdraft carburettors
fuel feed: electric pump
cooling system: waterTRANSMISSION:
driving wheels: rear
clutch: single dry plate; gear box:
mechanical; gears: 4 + reverse
synchromesh gears: 2nd, 3rd, 4th
gear box ratios: (I) 3.637, (II) 2.215, (III) 1.373, (IV) 1, (Rev) 4.755
(option) Borg-Warner automatic gear box, hydraulic torque convertor with 3 ratios
automatic ratios (1st 2.39, 2nd 1.45, 3rd 1 Rev 2.09)
gear lever location: central or steering column gear (auto)
Hardy Spicer propeller shaft with needle—bearing universal joints
three—quarter-floating rear axle With hypoid final reduction
final drive: hypoid bevel; ratio: 4.30:1type integral
front suspension: independent, wishbones, coil springs, anti-roll bar, lever dampers
rear suspension: rigid axle, semi-elliptic leaf-springs, anti-roll bar, lever dampers.STEERING:
cam and peg
turns of steering wheel lock to lock: 3.2.
turning radius (between walls): 18.5 ft, 5.6 mBRAKES:
drum, 2 front leading shoes
braking surface: total 146.50 sq in, 944.92 sq cm.ELECTRICAL EQUIPMENT:
voltage: 12 V
battery: 58 Ah
alternator: 22 Ah
ignition distributor: LucasDIMENSIONS AND WEIGHT:
wheel base: 100.25 in, 2546 mm
front track: 50,62 in, 1286 mm
rear track: 51.38 in, 1305 mm
overall length: 177.95 in, 4520 mm
overall width: 63.00 in, 1600 mm
overall height: 58.00 in, 1473 mm
ground clearance: 6.00 in, 152 mm
dry weight: 2452 1b, 1112 kg© Motor car History
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MG Magnette Mark IV Maintenance and Service Guide (1961-1968)
Fuel type: petrol, 95 Oct
Engine oil change: 3.6 imp qt, 4.3 US qt. SAE 10W-20 (winter) 30W (summer), change every 3000 miles, 4800 km
Total lubricating system capacity: 3.7 imp qt, 4.4 US qt, 4.5 1
Cooling system capacity: 4.7 imp qt, 5.6 US qt
Gearbox oil: 2.3 imp qt, 2.7 US qt, 2.6 1, SAE 90, change every 6000 miles, 9600 km
Final drive oil: 1.2 imp qt, 1.5 US qt, 1.4 1, SAE 90, change every 6000 miles, 9600 km
Steering box oil: 0.2 imp qt, 0.2 US qt, 0.2 1, SAE 90
Greasing: every 3000 miles, 4800 km, 9 points
Tappet clearances: inlet 0.015 in, 0.38 mm, exhaust 0.015 in, 0.38 mm
Valve timing: (inlet) opens 0° before tdc and closes 50° after bdc, (exhaust) opens 35° before bdc and closes 15° after tdc
Tyre pressure (normal load): front 23 psi, 1.6 atm, rear 25 psi, 1.8 atm.
Tyres: 5.90 - 14 tubeless
Fuel tank capacity: 10.00 imp gal, 11.88 US gal© Motor car History