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Mercury Zephyr Z-7 Sports Coupé

(1979 model)

Brief specs of 1979 Mercury Zephyr Z-7 Sports Coupé

4-door 5-seater sedan (saloon), petrol (gasoline) 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 4942 cm3 / 301.6 cu in / 301.6 cu in, 102.9 kW / 138.0 hp / 138.0 hp @ 3600 rpm / 3600 rpm / 3600 rpm, 338.0 N·m / 249.3 lb·ft / 249.3 lb·ft @ 1800 rpm / 1800 rpm / 1800 rpm, manual 4-speed transmission, rear wheel drive, 175 km/h / 109 mph / 109 mph top speed

units: metric UK US

Basic (general) data

Marque (make)MercuryIssued from1979
ModelZephyr Z-7 Sports CoupéIssued until
SerieZephyrNumber made
Model familyBody construction
Model codeBody designation
ManufacturerMercuryCountryUS

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4999 mm / 196.8 in / 196.8 inTotal (curb) weight1305 kg / 2877 lb / 2877 lb
Width1803 mm / 71.0 in / 71.0 inDry weight
Height1328 mm / 52.3 in / 52.3 inLoad capacity
Wheelbase2680 mm / 105.5 in / 105.5 inGross (max.) weight
Track front1438 mm / 56.6 in / 56.6 inTowing weight
Track rear1448 mm / 57.0 in / 57.0 inWeight distribution (front)
Ground clearance111 mm / 4.4 in / 4.4 inFuel capacity61 l / 13.4 UK gal / 16.1 US gal
Length/wheelbase ratio1.87  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.04 m2 / 21.9 sq ft / 21.9 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders8
Engine TypeV engine Total number of valves16
Engine ManufacturerFordValves per cylinder2
Engine constructioncast iron block & headBore101.6 mm / 4.00 in / 4.00 in
Fuelpetrol (gasoline)Stroke76.2 mm / 3.00 in / 3.00 in
Fuel detailsBore/Stroke ratio1.33
Fuel supply1 Fo 2150 D9BE-YB carbEngine displacement4942 cm3 / 301.6 cu in / 301.6 cu in
Engine Main bearings5Unitary capacity617.75 cm3/cylinder / 37.697 cu in/cylinder / 37.697 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio8.4 : 1
SumpMax. output power102.9 kW / 138.0 hp / 138.0 hp at 3600 rpm / 3600 rpm / 3600 rpm
AspirationnaturalMax. torque338.0 N·m / 249.3 lb·ft / 249.3 lb·ft at 1800 rpm / 1800 rpm / 1800 rpm
Compressor typeN/AMaximum rpm4000 rpm / 4000 rpm / 4000 rpm
IntercoolernoMax. net output (power at the wheels)41.2 kW / 55.2 hp / 55.2 hp (est.)
CoolantwaterSpecific output20.8 kW/l / 0.458 bhp/cu in / 0.458 bhp/cu in
Catalytic converteryesSpecific torque68.4 N·m/l / 0.60 lb·ft/cu in / 0.60 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio0.7
  Final gear (drive) ratio2.73

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed175 km/h / 109 mph / 109 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio105.8 kW/ton / 80.1 bhp/ton / 80.1 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-lock4.1Turning circle
Suspension frontSuspension rear
Wheels front5 x 14Wheels rear5 x 14
Tyres frontB78 x 14Tyres rearB78 x 14
Brakes frontventilated discBrakes reardrum
Brake diameter front255 mm / 10.0 in / 10.0 inBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Mercury Zephyr Z-7 Sports Coupé

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