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Pontiac Firebird Trans Am

(1981 model)

Brief specs of 1981 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), 4942 cm3 / 301.6 cu in / 301.6 cu in, 111.9 kW / 150.1 hp / 150.1 hp @ 4000 rpm / 4000 rpm / 4000 rpm, 331.0 N·m / 244.1 lb·ft / 244.1 lb·ft @ 2000 rpm / 2000 rpm / 2000 rpm, automatic 3-speed transmission, rear wheel drive, 165 km/h / 103 mph / 103 mph top speed

units: metric UK US

Basic (general) data

Marque (make)PontiacIssued from1981
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) weight1555 kg / 3428 lb / 3428 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 & 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 power111.9 kW / 150.1 hp / 150.1 hp at 4000 rpm / 4000 rpm / 4000 rpm
AspirationnaturalMax. torque331.0 N·m / 244.1 lb·ft / 244.1 lb·ft at 2000 rpm / 2000 rpm / 2000 rpm
Compressor typeN/AMaximum rpm4000 rpm / 4000 rpm / 4000 rpm
IntercoolernoMax. net output (power at the wheels)44.8 kW / 60.0 hp / 60.0 hp (est.)
CoolantwaterSpecific output22.6 kW/l / 0.498 bhp/cu in / 0.498 bhp/cu in
Catalytic converteryesSpecific torque67.0 N·m/l / 0.59 lb·ft/cu in / 0.59 lb·ft/cu in

Transmission

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

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed165 km/h / 103 mph / 103 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio96.5 kW/ton / 73.1 bhp/ton / 73.1 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
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

The Varying Drivers License Requirements Around the World

Minimum driving ages, the number of passengers young drivers can have with them at any time, the times of day that drivers under the age of 18 can drive…

These all vary depending on where young motorists are driving. They vary, even, across the United States.

For instance, in Maine, motorists under the age of 18 aren’t allowed to have any passengers with them as they drive for the first 180 days after they obtain their licenses. In Alabama, motorists under the age of 18 can have one passenger with them.

And that’s just one example of the differences in driving license requirements from one part of the country to the next. The differences are even more pronounced when comparing one country to another. Minimum driving ages vary widely across the world. While most states in the United States allow youngsters to earn their learner’s permits at the age of 15, many other countries require their residents to be much older before they get behind the wheel of a car.

(...)

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