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Pontiac Grand Prix SJ

(1979 model)

Brief specs of 1979 Pontiac Grand Prix SJ

2-door 5-seater fixed-head coupé, petrol (gasoline) 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 4942 cm3 / 301.6 cu in / 301.6 cu in, 110.4 kW / 148.0 hp / 148.0 hp @ 4000 rpm / 4000 rpm / 4000 rpm, 325.0 N·m / 239.7 lb·ft / 239.7 lb·ft @ 1600 rpm / 1600 rpm / 1600 rpm, automatic 3-speed transmission, rear wheel drive, 175 km/h / 109 mph / 109 mph top speed

units: metric UK US

Basic (general) data

Marque (make)PontiacIssued from1979
ModelGrand Prix SJIssued until
SerieGrand PrixNumber made
Model familyBody construction
Model codeBody designation
ManufacturerPontiacCountryUS

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length5116 mm / 201.4 in / 201.4 inTotal (curb) weight1527 kg / 3366 lb / 3366 lb
Width1847 mm / 72.7 in / 72.7 inDry weight
Height1354 mm / 53.3 in / 53.3 inLoad capacity
Wheelbase2746 mm / 108.1 in / 108.1 inGross (max.) weight
Track front1486 mm / 58.5 in / 58.5 inTowing weight
Track rear1468 mm / 57.8 in / 57.8 inWeight distribution (front)
Ground clearance135 mm / 5.3 in / 5.3 inFuel capacity69 l / 15.2 UK gal / 18.2 US gal
Length/wheelbase ratio1.86  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.13 m2 / 22.9 sq ft / 22.9 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 ManufacturerGMValves 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 Ro M4MC 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 ratio8.1 : 1
SumpMax. output power110.4 kW / 148.0 hp / 148.0 hp at 4000 rpm / 4000 rpm / 4000 rpm
AspirationnaturalMax. torque325.0 N·m / 239.7 lb·ft / 239.7 lb·ft at 1600 rpm / 1600 rpm / 1600 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)44.2 kW / 59.2 hp / 59.2 hp (est.)
CoolantwaterSpecific output22.3 kW/l / 0.491 bhp/cu in / 0.491 bhp/cu in
Catalytic converteryesSpecific torque65.8 N·m/l / 0.58 lb·ft/cu in / 0.58 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears3
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio2.29

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 ratio96.9 kW/ton / 73.4 bhp/ton / 73.4 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
Steeringrecirculating ballSteering details
Turns lock-to-lock3.3Turning circle
Suspension frontSuspension rear
Wheels front6 x 14Wheels rear6 x 14
Tyres frontP195/75 R 14Tyres rearP195/75 R 14
Brakes frontventilated discBrakes reardrum
Brake diameter front267 mm / 10.5 in / 10.5 inBrake diameter rear
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Pontiac Grand Prix SJ

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