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Pontiac Firebird 7.5

(1970 model)

Brief specs of 1970 Pontiac Firebird 7.5

2-door 4-seater, petrol (gasoline) 8-cylinder 16-valve straight (inline) engine, OHV (overhead valve, I-head), 7462 cm3 / 455.4 cu in / 455.4 cu in, 221.0 kW / 296.4 hp / 296.4 hp @ 4000 rpm / 4000 rpm / 4000 rpm, 563.0 N·m / 415.2 lb·ft / 415.2 lb·ft @ 3200 rpm / 3200 rpm / 3200 rpm, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)PontiacIssued from1970
ModelFirebird 7.5Issued until
SerieFirebirdNumber made
Model familyBody construction
Model codeBody designation
ManufacturerPontiacCountryUS

Bodywork

Base platformNumber of doors2
Bodywork typeNumber of seats4
Bodywork designerCargo capacity (volume)
Passenger space (volume)5110 l / 180.46 cu ft / 180.46 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4870 mm / 191.7 in / 191.7 inTotal (curb) weight1750 kg / 3858 lb / 3858 lb
Width1870 mm / 73.6 in / 73.6 inDry weight
Height1290 mm / 50.8 in / 50.8 inLoad capacity
Wheelbase2750 mm / 108.3 in / 108.3 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearance120 mm / 4.7 in / 4.7 inFuel capacity76 l / 16.7 UK gal / 20.1 US gal
Length/wheelbase ratio1.77  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.5Frontal area (A)2.05 m2 / 22.1 sq ft / 22.1 sq ft (est.)
Aerodynamic coefficient (Cd×A)1.03 m2 / 11.0 sq ft / 11.0 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)25.5 kW / 34.2 hp / 34.2 hp (est.)

Engine

Engine CodeTotal number of cylinders8
Engine Typestraight (inline) (Inline, 8 cylinder)Total number of valves16
Engine ManufacturerValves per cylinder2
Engine constructionBore105.4 mm / 4.15 in / 4.15 in
Fuelpetrol (gasoline)Stroke106.9 mm / 4.21 in / 4.21 in
Fuel detailsBore/Stroke ratio0.99
Fuel supplyCarburettorEngine displacement7462 cm3 / 455.4 cu in / 455.4 cu in
Engine Main bearingsUnitary capacity932.71 cm3/cylinder / 56.917 cu in/cylinder / 56.917 cu in/cylinder
Cam DesignOHV (overhead valve, I-head)Compression ratio
SumpMax. output power221.0 kW / 296.4 hp / 296.4 hp at 4000 rpm / 4000 rpm / 4000 rpm
AspirationnaturalMax. torque563.0 N·m / 415.2 lb·ft / 415.2 lb·ft at 3200 rpm / 3200 rpm / 3200 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)88.4 kW / 118.5 hp / 118.5 hp (est.)
CoolantSpecific output29.6 kW/l / 0.651 bhp/cu in / 0.651 bhp/cu in
Catalytic converterSpecific torque75.4 N·m/l / 0.66 lb·ft/cu in / 0.66 lb·ft/cu in

Transmission

Transmission typeNumber of gears
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio171.4 kW/ton / 129.9 bhp/ton / 129.9 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
SteeringSteering details
Turns lock-to-lockTurning circle12.0 m / 39.4 ft / 39.4 ft
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres frontF60/80-R15Tyres rearF60/80-R15
Brakes frontBrakes rear
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Pontiac Firebird 7.5

Infobox

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