1981 Pontiac Firebird Formula

The Pontiac Firebird Formula is a coupé with 2 doors and a front mounted engine which transmits its power to the rear wheels. The 8 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a volume of 4.4 litres. In this application it provides power and torque figures of 120 bhp (122 PS/89 kW) at 3600 rpm and 278 Nm (205 lbft/28.3 kgm) at 2000 rpm respectively. The engine transmits power to the wheels via a 3 speed automatic transmission. Its quoted kerb weight is 1541 kg. Maximum speed claimed is 158 km/h or 98 mph.

Pictures

Key facts

1981 Pontiac Firebird Formula information summary

What body style?
2 door fixed-head coupé with 2+2 seats
How long?
5032 mm
How heavy?
1541 kg
What size engine?
4.4 litre, 4390 cm3
How many cylinders?
8, V
How much power?
122 PS / 120 bhp / 89 kW @ 3600 rpm
How much torque?
278 Nm / 205 ft.lb / 28.3 kgm @ 2000 rpm
How fast?
158 km/h, 98 mph

Pontiac Firebird models

2 door fixed-head coupé FR 3M 3791 cm3 112 PS 110 bhp 82 kW 1483 kg
2 door fixed-head coupé FR 4M 5013 cm3 147 PS 145 bhp 108 kW 1542 kg
2 door fixed-head coupé FR 3A 4942 cm3 152 PS 150 bhp 112 kW 1555 kg
2 door fixed-head coupé FR 3A 4942 cm3 203 PS 200 bhp 149 kW 1616 kg
2 door fixed-head coupé FR 3A 4942 cm3 137 PS 135 bhp 101 kW 1523 kg
2 door fixed-head coupé FR 4M 4942 cm3 152 PS 150 bhp 112 kW 1523 kg
2 door fixed-head coupé FR 3M 3791 cm3 117 PS 115 bhp 86 kW 1477 kg
2 door fixed-head coupé FR 3A 5733 cm3 167 PS 165 bhp 123 kW 1535 kg
2 door fixed-head coupé FR 3A 5013 cm3 127 PS 125 bhp 93 kW 1523 kg
2 door fixed-head coupé FR 3A 6586 cm3 188 PS 185 bhp 138 kW 1583 kg
2 door fixed-head coupé FR 4M 6555 cm3 223 PS 220 bhp 164 kW 1623 kg
2 door fixed-head coupé FR 3M 3791 cm3 106 PS 105 bhp 78 kW 1525 kg
2 door fixed-head coupé FR 3A 5733 cm3 162 PS 160 bhp 119 kW
2 door fixed-head coupé FR 4M 5733 cm3 172 PS 170 bhp 127 kW 1591 kg
2 door fixed-head coupé FR 4M 5001 cm3 147 PS 145 bhp 108 kW 1583 kg
2 door fixed-head coupé FR 3A 5001 cm3 147 PS 145 bhp 108 kW
2 door fixed-head coupé FR 3A 5733 cm3 172 PS 170 bhp 127 kW
2 door fixed-head coupé FR 3A 3791 cm3 106 PS 105 bhp 78 kW
2 door fixed-head coupé FR 3A 6598 cm3 188 PS 185 bhp 138 kW 1653 kg
2 door fixed-head coupé FR 3A 6599 cm3 188 PS 185 bhp 138 kW
2 door fixed-head coupé FR 3A 6558 cm3 183 PS 180 bhp 134 kW
2 door fixed-head coupé FR 4M 6558 cm3 223 PS 220 bhp 164 kW 1640 kg
2 door fixed-head coupé FR 3A 6558 cm3 223 PS 220 bhp 164 kW
2 door fixed-head coupé FR 4M 7462 cm3 203 PS 200 bhp 149 kW 1701 kg
2 door fixed-head coupé FR 3M 4103 cm3 177 PS 175 bhp 130 kW 1399 kg
2 door fixed-head coupé FR 4M 4103 cm3 177 PS 175 bhp 130 kW 1403 kg
2 door fixed-head coupé FR 4M 5798 cm3 269 PS 265 bhp 198 kW 1472 kg
2 door fixed-head coupé FR 3M 5798 cm3 269 PS 265 bhp 198 kW 1469 kg
2 door fixed-head coupé FR 3A 5798 cm3 269 PS 265 bhp 198 kW 1467 kg
2 door fixed-head coupé FR 4M 5798 cm3 330 PS 325 bhp 242 kW 1491 kg

Similar models

2 door fixed-head coupé FR 3A 3785 cm3 117 PS 115 bhp 86 kW 1420 kg
2 door fixed-head coupé FR 3A 3791 cm3 117 PS 115 bhp 86 kW 1620 kg
2 door fixed-head coupé FR 3A 3791 cm3 117 PS 115 bhp 86 kW 1632 kg
2 door fixed-head coupé FF 4A 4130 cm3 127 PS 125 bhp 93 kW 1666 kg
2 door fixed-head coupé FF 3A 4130 cm3 125 PS 123 bhp 92 kW 1666 kg
2 door fixed-head coupé FR 3M 3791 cm3 117 PS 115 bhp 86 kW 1500 kg
2 door fixed-head coupé FF 3AOD 4087 cm3 127 PS 125 bhp 93 kW 1695 kg
2 door fixed-head coupé FF 3AOD 4128 cm3 127 PS 125 bhp 93 kW 1740 kg
2 door fixed-head coupé FF 3A 5733 cm3 127 PS 125 bhp 93 kW 1812 kg
2 door fixed-head coupé FR 3A 4390 cm3 117 PS 115 bhp 86 kW
2 door fixed-head coupé FR 3A 3681 cm3 112 PS 110 bhp 82 kW 1388 kg
2 door fixed-head coupé FR 3A 3681 cm3 112 PS 110 bhp 82 kW 1483 kg
2 door fixed-head coupé FR 3A 3681 cm3 112 PS 110 bhp 82 kW 1535 kg
2 door fixed-head coupé FR 3A 3681 cm3 112 PS 110 bhp 82 kW 1491 kg
2 door fixed-head coupé FR 3A 4942 cm3 131 PS 129 bhp 96 kW 1749 kg
2 door fixed-head coupé FR 4A 3791 cm3 120 PS 118 bhp 88 kW 1448 kg
2 door fixed-head coupé FR 4A 4186 cm3 122 PS 120 bhp 89 kW 1577 kg
2 door fixed-head coupé FR 4A 4186 cm3 113 PS 111 bhp 83 kW 1577 kg
2 door fixed-head coupé FR 4A 2998 cm3 125 PS 123 bhp 92 kW 1625 kg
2 door fixed-head coupé FR 4A 2998 cm3 125 PS 123 bhp 92 kW 1625 kg
2 door fixed-head coupé FF 4A 4121 cm3 127 PS 125 bhp 93 kW 1604 kg
1981 Pontiac Firebird Formula data
bodywork
Body type2+2 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 2748 mm 108.2 inches
Track/tread (front) 1557 mm 61.3 inches
Track/tread (rear) 1524 mm 60 inches
Length 5032 mm 198.1 inches
Width 1854 mm 73 inches
Height 1252 mm 49.3 inches
Ground clearance 117 mm 4.6 inches
length:wheelbase ratio 1.83
Kerb weight 1541 kg 3397 lb
Weight distribution
fuel tank capacity 79.6 litres 17.5 UK Gal 21 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer GM
Engine code
Cylinders V 8 in 90° vee
Capacity 4.4 litre
4390 cc
(267.894 cu in)
Bore × Stroke 88.9 × 88.4 mm
3.5 × 3.48 in
Bore/stroke ratio 1.01
Valve gear overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output
(SAEnet)
122 PS (120 bhp) (89 kW)
at 3600 rpm
Specific output
(SAEnet)
27.3 bhp/litre
0.45 bhp/cu in
maximum torque
(SAEnet)
278 Nm (205 ft·lb) (28.3 kgm)
at 2000 rpm
Specific torque
(SAEnet)
63.33 Nm/litre
0.77 ft·lb/cu3
Engine construction cast iron block & head
sump wet sumped
compression ratio 8.3:1
Fuel system 1 Ro M2ME carb
bmep (brake mean effective pressure) 795.8 kPa (115.4 psi)
Maximum RPM 4000 rpm
crankshaft bearings 5
Engine coolant Water
Unitary capacity 548.75 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter Y
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed 158 km/h (98 mph)
Power-to-weight ratio 78.95 PS/tonne (1000 kg)
58.07 kW/tonne (1000 kg)
77.87 bhp/tonne (1000 kg)
0.03 bhp/lb
Weight-to-power ratio 17.22 kg/kW
28.77 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering
turns lock-to-lock 2.410
Turning circle 12.60 m
Front suspension I.W.CS.ARB.
Rear suspension LA.SE.ARB.
Wheel size front
Wheel size rear
Tyres front P205/75 R 15
Tyres rear P205/75 R 15
Brakes F/R VeDi/Dr-S
Front brake diameter 279 mm
Rear brake diameter
Braked area 2106 cm2
Gearbox 3 speed automatic
Top gear ratio 1
Final drive ratio 2.41
general
Carfolio.com ID99528
Production total
Model code
Model family
RAC rating 39.2
Insurance classification No information available
Tax band No information available
1981 Pontiac Firebird Formula added 2002-09-05.
Last modified 2013-02-28.