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Pontiac Firebird 2door coupe 

1974, USA

engines/performance

engines:
years cyl./valv. compr. displacement

power

  specific fuel torque  
74: i6/12V 8.5:1 4097cc.(250ci)

100net-hp

@3600rpm

24.4 hp/l 1bbl 175lb-ft. (237Nm)

@1600rpm

74: V8/16V 7.6:1 5801cc.(354ci)

155net-hp

@3600rpm

26.7 hp/l 2bbl 274lb-ft. (372Nm)

@2400rpm

74: V8/16V 8.0:1 6555cc.(400ci)

175net-hp

@3600rpm

26.7 hp/l 2bbl 314lb-ft. (426Nm)

@2000rpm

74: V8/16V 8.0:1 6555cc.(400ci)

225net-hp

@4000rpm

34.3 hp/l 4bbl 330lb-ft. (447Nm)

@2800rpm

74: V8/16V 8.4:1 7456cc.(455ci)

250net-hp

@4000rpm

33.5 hp/l 4bbl 380lb-ft. (515Nm)

@2800rpm

74: V8/16V 8.4:1 7456cc.(455ci)

310net-hp

@4000rpm

41.6 hp/l 4bbl 395lb-ft. (535Nm)

@3200rpm

performance:
engine topspeed 0-50mph 0-62mph 0-100mph 0-124mph

1/4mile

mileage (US-gallon)
4.1l100hp: 170kph/106mph ?s 13.0s ?s ?s

?s@?mph/?kph

15.0-17.0 l/100km13.8-15.7 mpg
5.8l155hp: 185kph/115mph ?s 9.0s ?s ?s

?s@?mph/?kph

20.0-22.0 l/100km10.7-11.8 mpg
6.6l175hp: 185kph/115mph ?s 9.0s ?s ?s

?s@?mph/?kph

20.0-22.0 l/100km10.7-11.8 mpg
6.6l225hp: 205kph/127mph ?s 8.0s ?s ?s

?s@?mph/?kph

21.0-23.0 l/100km10.2-11.2 mpg
7.5l250hp: 210kph/130mph ?s 8.0s ?s ?s

?s@?mph/?kph

22.0-24.0 l/100km9.8-10.7 mpg
7.5l310hp: 220kph/137mph ?s 6.5s ?s ?s

13.5s@104mph/167.4kph

23.0-25.0 l/100km9.4-10.2 mpg

tyres/transmission

tyres front/rear: E78-14
transmission/drive wheel: 3/4-speed/RWD, 3-speed automatic optional

dimensions/weight

length x width x height: 4980 x 1864 x 1250 mm (196.1 x 73.4 x 49.2 in)
wheelbase - tread f/r: 2743 mm - 1557/1524 mm (108.0 in - 61.3/60.0 in)
some calculations: base aera: 9.28 m² (100.0 sq.ft.) - frontal aera: ~1.92 m² (~20.7 sq.ft.) - LxWxH: 11.60 m³ (409.8 cu.ft.)
aerodynamics: coefficient of drag (cd): ? - drag area: ? m² / ? sq.ft.
weight: 1540 - 1750 kg (3395 - 3858 lb)
power/weight-ratio: 5.6 - 15.4 kg/hp (12.4 - 34.0 lb/hp) 65 - 177 hp/ton

price/production

base-price: 3,335 - 4,446 $  
production: 73,729 (all 1974 Firebird)

   



Pictures taken at the "Street Mag Show 2009" in Hanover, Germany
 
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