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Lotus Eclat 520

(1974 model)

Brief specs of 1974 Lotus Eclat 520

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 4-cylinder 16-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 1973 cm3 / 120.4 cu in / 120.4 cu in, 119.3 kW / 160.0 hp / 160.0 hp @ 6200 rpm / 6200 rpm / 6200 rpm, 190.0 N·m / 140.1 lb·ft / 140.1 lb·ft @ 4900 rpm / 4900 rpm / 4900 rpm, manual 4-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)LotusIssued from1974
ModelEclat 520Issued until
SerieEclatNumber made
Model familyBody construction
Model codeBody designation
ManufacturerLotusCountryUK

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats2+2
Bodywork designerCargo capacity (volume)
Passenger space (volume)4090 l / 144.44 cu ft / 144.44 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4458 mm / 175.5 in / 175.5 inTotal (curb) weight980 kg / 2161 lb / 2161 lb
Width1816 mm / 71.5 in / 71.5 inDry weight
Height1194 mm / 47.0 in / 47.0 inLoad capacity
Wheelbase2438 mm / 96.0 in / 96.0 inGross (max.) weight
Track front1486 mm / 58.5 in / 58.5 inTowing weight
Track rear1499 mm / 59.0 in / 59.0 inWeight distribution (front)
Ground clearanceFuel capacity67 l / 14.8 UK gal / 17.8 US gal
Length/wheelbase ratio1.83  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.84 m2 / 19.8 sq ft / 19.8 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders4
Engine Typestraight (inline) (Inline, 4 cylinder)Total number of valves16
Engine ManufacturerLotusValves per cylinder4
Engine constructionBore95.2 mm / 3.75 in / 3.75 in
Fuelpetrol (gasoline)Stroke69.3 mm / 2.73 in / 2.73 in
Fuel detailsBore/Stroke ratio1.37
Fuel supply2 DO carbsEngine displacement1973 cm3 / 120.4 cu in / 120.4 cu in
Engine Main bearings5Unitary capacity493.25 cm3/cylinder / 30.100 cu in/cylinder / 30.100 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio9.5 : 1
SumpMax. output power119.3 kW / 160.0 hp / 160.0 hp at 6200 rpm / 6200 rpm / 6200 rpm
AspirationnaturalMax. torque190.0 N·m / 140.1 lb·ft / 140.1 lb·ft at 4900 rpm / 4900 rpm / 4900 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)47.7 kW / 64.0 hp / 64.0 hp (est.)
CoolantwaterSpecific output60.5 kW/l / 1.329 bhp/cu in / 1.329 bhp/cu in
Catalytic converternoSpecific torque96.3 N·m/l / 0.84 lb·ft/cu in / 0.84 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio3.73

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio163.3 kW/ton / 123.7 bhp/ton / 123.7 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
Steeringrack & pinionSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, Wishbone (A-arm, control arm), Coil springsSuspension rearIndependent, Wishbone (A-arm, control arm), Coil springs
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontdiscBrakes reardrum
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Lotus Eclat 520

Infobox

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