Motor said of this illustration: 'An impression of the finished car which we hope will prove clairvoyant.'

SPECIFICATIONS

Details reprinted from article "Lotus 30", Motor, 22 Jan. 1964

ENGINE - Modified Ford V8

Cylinders - V8 with 5-bearing crankshaft

Bore and stroke - 101.6 mm. X 72.9 mm. (4 in. X 2.87 in.)

Cubic capacity - 4,727 cc (289 cu in.)

Piston area - 100.5 sq. in.

Compression ratio - 11:1

Valvegear - Push rod o.h.v.

Carburation - 4 Weber 48 IDM twin choke down-draught carburetters, fed by 3 Bendix
electric fuel pumps from 31½-gallon tanks

Ignition - 12-volt coil, centrifugal timing control

Lubrication - Full flow filter and 3 to 4 gal. dry sump Cooling ..

Water cooling with pump but no fan or thermostat

Maximum power - 350 b.h.p. at 6,500 r.p.m,

Maximum torque - 320 lb./ft.

TRANSMISSION

Clutch - Laycock 8½ in. twin plate diaphragm type with hydraulic operation

Gearbox - 5-speed type 5D5 20 ZF gearbox with synchromesh on all ratios

Internal gearbox ratios 1.00, 1.172, 1.43, 1.765, and 2.50

Final drive - Spiral bevel in unit with gearbox.

Differential - Limited slip

Alternative ratios - 3.0, 3.22, 3.40, 3.56, 3.78, 4.00

CHASSIS

Chassis - 20 gauge sheet metal for first 3 chassis produced, then subsequent cars produced with 18 gauge

Brakes - Girling disc with BR calipers

Brake dimensions - Front and rear, 11 in. dia.

Front suspension - 2 transverse wishbones with Armstrong coil spring/damper units and anti-roll bar

Rear suspension - Double wishbones, Armstrong coil spring/damper units and anti-roll bar

Wheel and tyres - Cast magnesium alloy knock-on wheels with 7 in. front rims and 8½ rear rims;

Tyres - 6.00—13 front 7 00—13 rear

Steering - Alford and Alder rack and pinion

DIMENSIONS

Length overall 13 ft. 9 in.; Wheelbase 7ft. 10½ in.

Width overall 5 ft. 8 in.; Track 4 ft. 5 in. at front and rear

Height -

Top of screen - 26 in.

Rear wheel humps - 31 in.;

Ground clearance - 4½ in.

Crash bar (if fitted) - 36 in.

Turning circle - 32 ft.

Kerb weight - Approx. 15 cwt, (without fuel but with oil, water, tools, spare wheel, etc.) (1680 lbs, 764 kg)

Details reprinted from article "Lotus 30", Motor, 22 Jan. 1964

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