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Lotus Eclat 521

(1974 model)

Brief specs of 1974 Lotus Eclat 521

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 5-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)LotusIssued from1974
ModelEclat 521Issued 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)Max. cargo capacity (volume)

Dimensions & Weight

Length4458 mm / 175.5 in / 175.5 inTotal (curb) weight1055 kg / 2326 lb / 2326 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 gears5
Wheel driverear wheel driveTop gear (drive) ratio0.8
  Final gear (drive) ratio4.1

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio151.7 kW/ton / 114.9 bhp/ton / 114.9 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 521

Infobox

Auto Insurance

Defined as: The contract by which the insurer assumes the risk of any loss the owner or operator of a car may incur through damage to property or persons as the result of an accident. There are many specific forms of automobile insurance, varying not only in the kinds of risk that they cover but also in the legal principles underlying them.

In “plain” English, this means coverage that is carried by someone who is driving a motor vehicle that is involved in an accident that causes property damage or personal injury to someone.

Currently, New Hampshire and Wisconsin do not have “compulsory auto insurance liability laws”. Simply put, this means that these states do not require licensed drivers (and there should not be any other kind of driver) to have some type of auto insurance policy that provides at least minimum coverage. The remaining 48 states do have such insurance laws in effect.

You should check with the state you live in if you have questions concerning whether or not you are required to have auto insurance, and also to determine if you are required to have a certain amount of coverage. If you are required to have a certain amount, you will then need to check to see if there is a minimum amount and maximum amount.

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