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Chevrolet Opala Coupé

(1985 model)

Brief specs of 1985 Chevrolet Opala Coupé

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 4-cylinder 8-valve straight (inline) engine, OHV (overhead valve, I-head), 2471 cm3 / 150.8 cu in / 150.8 cu in, 58.2 kW / 78.0 hp / 78.0 hp @ 4400 rpm / 4400 rpm / 4400 rpm, 163.0 N·m / 120.2 lb·ft / 120.2 lb·ft @ 2400 rpm / 2400 rpm / 2400 rpm, manual 4-speed transmission, rear wheel drive, 150 km/h / 93 mph / 93 mph top speed

units: metric UK US

Basic (general) data

Marque (make)ChevroletIssued from1985
ModelOpala CoupéIssued until
SerieOpalaNumber made
Model familyBody construction
Model codeBody designation
ManufacturerGeneral Motor CompanyCountryUS,BR,KR,ZA

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

Length4680 mm / 184.3 in / 184.3 inTotal (curb) weight1119 kg / 2467 lb / 2467 lb
Width1750 mm / 68.9 in / 68.9 inDry weight
Height1360 mm / 53.5 in / 53.5 inLoad capacity
Wheelbase2670 mm / 105.1 in / 105.1 inGross (max.) weight
Track front1430 mm / 56.3 in / 56.3 inTowing weight
Track rear1410 mm / 55.5 in / 55.5 inWeight distribution (front)
Ground clearance180 mm / 7.1 in / 7.1 inFuel capacity65 l / 14.3 UK gal / 17.2 US gal
Length/wheelbase ratio1.75  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.02 m2 / 21.8 sq ft / 21.8 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeGMB 151Total number of cylinders4
Engine Typestraight (inline) Total number of valves8
Engine ManufacturerChevroletValves per cylinder2
Engine constructionBore101.6 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 Wecarbras carbEngine displacement2471 cm3 / 150.8 cu in / 150.8 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 ratio7.5 : 1
SumpMax. output power58.2 kW / 78.0 hp / 78.0 hp at 4400 rpm / 4400 rpm / 4400 rpm
AspirationnaturalMax. torque163.0 N·m / 120.2 lb·ft / 120.2 lb·ft at 2400 rpm / 2400 rpm / 2400 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)23.3 kW / 31.2 hp / 31.2 hp (est.)
CoolantwaterSpecific output23.6 kW/l / 0.518 bhp/cu in / 0.518 bhp/cu in
Catalytic converternoSpecific torque66.0 N·m/l / 0.58 lb·ft/cu in / 0.58 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio3.81

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed150 km/h / 93 mph / 93 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio69.7 kW/ton / 52.8 bhp/ton / 52.8 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
Steeringworm & rollerSteering details
Turns lock-to-lock3.75Turning circle11.3 m / 37.1 ft / 37.1 ft
Suspension frontIndependent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearLive axle, Coil springs, Anti-roll (anti-sway) bar (ARB)
Wheels frontWheels rear
Tyres front175 SR 14Tyres rear175 SR 14
Brakes frontventilated discBrakes reardrum
Brake diameter frontBrake diameter rear
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Chevrolet Opala Coupé

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