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Pontiac Firebird Trans Am

(1979 model)

Brief specs of 1979 Pontiac Firebird Trans Am

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 6555 cm3 / 400.0 cu in / 400.0 cu in, 164.1 kW / 220.1 hp / 220.1 hp @ 4000 rpm / 4000 rpm / 4000 rpm, 433.0 N·m / 319.4 lb·ft / 319.4 lb·ft @ 2800 rpm / 2800 rpm / 2800 rpm, manual 4-speed transmission, rear wheel drive, 190 km/h / 118 mph / 118 mph top speed

units: metric UK US

Basic (general) data

Marque (make)PontiacIssued from1979
ModelFirebird Trans AmIssued until
SerieFirebirdNumber made
Model familyBody construction
Model codeBody designation
ManufacturerPontiacCountryUS

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

Length5032 mm / 198.1 in / 198.1 inTotal (curb) weight1623 kg / 3578 lb / 3578 lb
Width1854 mm / 73.0 in / 73.0 inDry weight
Height1252 mm / 49.3 in / 49.3 inLoad capacity
Wheelbase2748 mm / 108.2 in / 108.2 inGross (max.) weight
Track front1557 mm / 61.3 in / 61.3 inTowing weight
Track rear1524 mm / 60.0 in / 60.0 inWeight distribution (front)
Ground clearance117 mm / 4.6 in / 4.6 inFuel capacity80 l / 17.5 UK gal / 21.0 US gal
Length/wheelbase ratio1.83  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.97 m2 / 21.2 sq ft / 21.2 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 & headBore104.7 mm / 4.12 in / 4.12 in
Fuelpetrol (gasoline)Stroke95.2 mm / 3.75 in / 3.75 in
Fuel detailsBore/Stroke ratio1.1
Fuel supply1 Ro M4MC carbEngine displacement6555 cm3 / 400.0 cu in / 400.0 cu in
Engine Main bearings5Unitary capacity819.38 cm3/cylinder / 50.002 cu in/cylinder / 50.002 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio8.1 : 1
SumpMax. output power164.1 kW / 220.1 hp / 220.1 hp at 4000 rpm / 4000 rpm / 4000 rpm
AspirationnaturalMax. torque433.0 N·m / 319.4 lb·ft / 319.4 lb·ft at 2800 rpm / 2800 rpm / 2800 rpm
Compressor typeN/AMaximum rpm4400 rpm / 4400 rpm / 4400 rpm
IntercoolernoMax. net output (power at the wheels)65.6 kW / 88.0 hp / 88.0 hp (est.)
CoolantwaterSpecific output25.0 kW/l / 0.550 bhp/cu in / 0.550 bhp/cu in
Catalytic converteryesSpecific torque66.1 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) ratio3.23

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed190 km/h / 118 mph / 118 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio135.6 kW/ton / 102.7 bhp/ton / 102.7 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 ball VPASSteering details
Turns lock-to-lock2.41Turning circle12.6 m / 41.3 ft / 41.3 ft
Suspension frontIndependent, Wishbone (A-arm, control arm), Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearLive axle, Semi-elliptic leaf springs, Anti-roll (anti-sway) bar (ARB)
Wheels frontWheels rear
Tyres frontP225/70 R 15Tyres rearP225/70 R 15
Brakes frontventilated discBrakes reardrum
Brake diameter front279 mm / 11.0 in / 11.0 inBrake diameter rear
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Pontiac Firebird Trans Am

Infobox

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