Car Specs

1971 Pontiac Firebird Formula 455 HO

Information

Specifications

General
  • 1971
  • Firebird
Dimensions
  • 1532mm
  • 1864mm
  • 117mm
  • 64.4litres
  • 2743mm
  • 1565mm
  • 4867mm
  • 1280mm
Body Details
  • 2+2 seater fixed-head coupé
Engine Details
  • 4 speed manual
  • 3.42
  • Pontiac
  • V 8 in 90° vee
  • 105.4 × 106.9mm
  • wet sumped
  • Water
  • Normal
  • front
  • 1
  • naturally aspirated petrol
  • LS5
  • 7.5 litre (7462cc)
  • 0.99
  • cast iron block & head
  • 8.4:1
  • N
  • longitudinal
Performance
  • rear wheel drive
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Fuel Consump.
  • 1 carburettor
Chassis & Geomtry
  • 1.77
Brakes
  • 277mm
  • 1096.3kPa
  • Di/Dr
  • 241mm
Wheels & Tyres
  • 14x7
  • F70-14
  • 14x7
  • F70-14
Other
  • overhead valve (OHV), 2 valves per cylinder, 16 valves in total
  • 651 Nm (480 ft·lb) (66.4 kgm)at 3600 rpm
  • 87.24 Nm/litre, 1.05 ft·lb/cu3
  • 55.1
  • 340 PS (335 bhp) (250 kW)at 4800 rpm
  • 33.5 kW/litre45.5 ps/litre, 44.9 bhp/litre0.74 bhp/cu in
  • 932.75cc
  • 2
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