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Chevrolet Diplomata

(1979 model)

Brief specs of 1979 Chevrolet Diplomata

4-door 5-seater sedan (saloon), petrol (gasoline) 4-cylinder 8-valve straight (inline) engine, OHV (overhead valve, I-head), 2471 cm3 / 150.8 cu in / 150.8 cu in, 61.1 kW / 81.9 hp / 81.9 hp @ 4600 rpm / 4600 rpm / 4600 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 from1979
ModelDiplomataIssued until
SerieDiplomataNumber made
Model familyBody construction
Model codeBody designation
ManufacturerGeneral Motor CompanyCountryUS,BR,KR,ZA

Bodywork

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

Dimensions & Weight

Length4740 mm / 186.6 in / 186.6 inTotal (curb) weight1193 kg / 2630 lb / 2630 lb
Width1770 mm / 69.7 in / 69.7 inDry weight
Height1390 mm / 54.7 in / 54.7 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 ratio1.78  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.09 m2 / 22.5 sq ft / 22.5 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 ManufacturerGMValves 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 power61.1 kW / 81.9 hp / 81.9 hp at 4600 rpm / 4600 rpm / 4600 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)24.4 kW / 32.8 hp / 32.8 hp (est.)
CoolantwaterSpecific output24.7 kW/l / 0.543 bhp/cu in / 0.543 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) ratio3.54

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 ratio68.7 kW/ton / 52.1 bhp/ton / 52.1 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
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, Torsion bar, LinksBar, 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 Diplomata

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