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Lotus Seven

(1970 model)

Brief specs of 1970 Lotus Seven

2-door 2-seater drophead coupé (convertible coupé), petrol (gasoline) 4-cylinder 8-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 1558 cm3 / 95.1 cu in / 95.1 cu in, 93.2 kW / 125.0 hp / 125.0 hp @ 6300 rpm / 6300 rpm / 6300 rpm, 157.0 N·m / 115.8 lb·ft / 115.8 lb·ft @ 4500 rpm / 4500 rpm / 4500 rpm, rear wheel drive, 166 km/h / 103 mph / 103 mph top speed

units: metric UK US

Basic (general) data

Marque (make)LotusIssued from1970
ModelSevenIssued until
SerieSevenNumber made
Model familyBody construction
Model codeBody designation
ManufacturerLotusCountryUK

Bodywork

Base platformNumber of doors2
Bodywork typedrophead coupé (convertible coupé)Number of seats2
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length3378 mm / 133.0 in / 133.0 inTotal (curb) weight569 kg / 1254 lb / 1254 lb
Width1702 mm / 67.0 in / 67.0 inDry weight
Height940 mm / 37.0 in / 37.0 inLoad capacity
Wheelbase2260 mm / 89.0 in / 89.0 inGross (max.) weight
Track front1245 mm / 49.0 in / 49.0 inTowing weight
Track rear1321 mm / 52.0 in / 52.0 inWeight distribution (front)
Ground clearanceFuel capacity
Length/wheelbase ratio1.49  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.36 m2 / 14.6 sq ft / 14.6 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) Total number of valves8
Engine ManufacturerValves per cylinder2
Engine constructionBore82.6 mm / 3.25 in / 3.25 in
Fuelpetrol (gasoline)Stroke72.8 mm / 2.86 in / 2.86 in
Fuel detailsBore/Stroke ratio1.13
Fuel supply2 We carbsEngine displacement1558 cm3 / 95.1 cu in / 95.1 cu in
Engine Main bearingsUnitary capacity389.50 cm3/cylinder / 23.769 cu in/cylinder / 23.769 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio9.5 : 1
SumpMax. output power93.2 kW / 125.0 hp / 125.0 hp at 6300 rpm / 6300 rpm / 6300 rpm
AspirationnaturalMax. torque157.0 N·m / 115.8 lb·ft / 115.8 lb·ft at 4500 rpm / 4500 rpm / 4500 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)30.0 kW / 40.3 hp / 40.3 hp (est.)
CoolantwaterSpecific output59.8 kW/l / 1.315 bhp/cu in / 1.315 bhp/cu in
Catalytic converternoSpecific torque100.8 N·m/l / 0.88 lb·ft/cu in / 0.88 lb·ft/cu in

Transmission

Transmission typeNumber of gears
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio3.9

Performance

Acceleration 0-50 mph (80 km/h)5.10 s / 5.10 s / 5.10 sTop (maximal) speed166 km/h / 103 mph / 103 mph
Acceleration 0-60 mph (97 km/h)7.10 s / 7.10 s / 7.10 sPower-to-weight ratio219.7 kW/ton / 166.4 bhp/ton / 166.4 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
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Lotus Seven

Infobox

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(...)

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