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Pontiac Firebird

(1972 model)

Brief specs of 1972 Pontiac Firebird

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, OHV (overhead valve, I-head), 4093 cm3 / 249.8 cu in / 249.8 cu in, 82.0 kW / 110.0 hp / 110.0 hp @ 3800 rpm / 3800 rpm / 3800 rpm, 251.0 N·m / 185.1 lb·ft / 185.1 lb·ft @ 1600 rpm / 1600 rpm / 1600 rpm, manual 3-speed transmission, rear wheel drive, 161 km/h / 100 mph / 100 mph top speed

units: metric UK US

Basic (general) data

Marque (make)PontiacIssued from1972
ModelFirebirdIssued 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)5110 l / 180.46 cu ft / 180.46 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4867 mm / 191.6 in / 191.6 inTotal (curb) weight1469 kg / 3239 lb / 3239 lb
Width1864 mm / 73.4 in / 73.4 inDry weight
Height1280 mm / 50.4 in / 50.4 inLoad capacity
Wheelbase2743 mm / 108.0 in / 108.0 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 capacity64 l / 14.1 UK gal / 16.9 US gal
Length/wheelbase ratio1.77  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.03 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 CodeTotal number of cylinders6
Engine Typestraight (inline) (Inline, 6 cylinder)Total number of valves12
Engine ManufacturerGMValves per cylinder2
Engine constructioncast iron block & headBore98.4 mm / 3.87 in / 3.87 in
Fuelpetrol (gasoline)Stroke89.7 mm / 3.53 in / 3.53 in
Fuel detailsBore/Stroke ratio1.1
Fuel supply1 Ro 7041017 carbEngine displacement4093 cm3 / 249.8 cu in / 249.8 cu in
Engine Main bearings7Unitary capacity682.17 cm3/cylinder / 41.629 cu in/cylinder / 41.629 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio8.5 : 1
SumpwetMax. output power82.0 kW / 110.0 hp / 110.0 hp at 3800 rpm / 3800 rpm / 3800 rpm
AspirationnaturalMax. torque251.0 N·m / 185.1 lb·ft / 185.1 lb·ft at 1600 rpm / 1600 rpm / 1600 rpm
Compressor typeN/AMaximum rpm4200 rpm / 4200 rpm / 4200 rpm
IntercoolernoMax. net output (power at the wheels)32.8 kW / 44.0 hp / 44.0 hp (est.)
CoolantwaterSpecific output20.0 kW/l / 0.440 bhp/cu in / 0.440 bhp/cu in
Catalytic converterSpecific torque61.3 N·m/l / 0.54 lb·ft/cu in / 0.54 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears3
Wheel driverear wheel driveTop gear (drive) ratio1
  Final gear (drive) ratio3.08

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed161 km/h / 100 mph / 100 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio74.9 kW/ton / 56.7 bhp/ton / 56.7 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 ballSteering details
Turns lock-to-lock4.6Turning circle12.1 m / 39.7 ft / 39.7 ft
Suspension frontIndependent, Wishbone (A-arm, control arm), Lower trailing link, Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearRadius arms, Semi-elliptic leaf springs
Wheels front6 x 14Wheels rear6 x 14
Tyres frontE78-14Tyres rearE78-14
Brakes frontdiscBrakes reardrum
Brake diameter front278 mm / 10.9 in / 10.9 inBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Pontiac Firebird

Infobox

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