Pontiac Firebird, 1978 MY

This automobile has a 2 door coupé type body with a front positioned engine powering the rear wheels. The 3.8 litre engine is a naturally aspirated, overhead valve, 6 cylinder unit that produces 105 bhp (106 PS/78 kW) of power at 3400 rpm, and maximum torque of 251 N·m (185 lb·ft/25.6 kgm) at 2000 rpm. The engine delivers its power through to the wheels via a 3 speed manual gearbox. It weighs a claimed 1525 kg at the kerb.

Pictures

Key facts

Pontiac Firebird, 1978 MY information summary

What body style?
2 door fixed-head coupé with 2+2 seats
How long?
4999 mm
How heavy?
1525 kg
What size engine?
3.8 litre, 3791 cm3
How many cylinders?
6, V
How much power?
106 PS / 105 bhp / 78 kW @ 3400 rpm
How much torque?
251 Nm / 185 ft.lb / 25.6 kgm @ 2000 rpm

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 3A 4390 cm3 122 PS 120 bhp 89 kW 1541 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 203 PS 200 bhp 149 kW 1616 kg
2 door fixed-head coupé FR 3A 4942 cm3 152 PS 150 bhp 112 kW 1555 kg
2 door fixed-head coupé FR 4M 4942 cm3 152 PS 150 bhp 112 kW 1523 kg
2 door fixed-head coupé FR 3A 4942 cm3 137 PS 135 bhp 101 kW 1523 kg
2 door fixed-head coupé FR 3A 5733 cm3 167 PS 165 bhp 123 kW 1535 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 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 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 1991 cm3 111 PS 109 bhp 81 kW
2 door fixed-head coupé FR 3M 3212 cm3 106 PS 105 bhp 78 kW 1420 kg
2 door fixed-head coupé FR 3M 4094 cm3 112 PS 110 bhp 82 kW 1545 kg
2 door fixed-head coupé FR 3A 4094 cm3 112 PS 110 bhp 82 kW 1555 kg
2 door fixed-head coupé FR 3A 4093 cm3 112 PS 110 bhp 82 kW 1652 kg
2 door fixed-head coupé FR 3A 4093 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3M 4085 cm3 112 PS 110 bhp 82 kW 1611 kg
2 door fixed-head coupé FR 3A 4085 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3A 4093 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3A 4093 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3M 4085 cm3 112 PS 110 bhp 82 kW 1489 kg
2 door fixed-head coupé FR 3A 4085 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3M 4085 cm3 112 PS 110 bhp 82 kW 1424 kg
2 door fixed-head coupé FR 3A 4085 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3M 3681 cm3 101 PS 100 bhp 75 kW 1383 kg
2 door fixed-head coupé FR 4M 3681 cm3 101 PS 100 bhp 75 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 101 PS 100 bhp 75 kW
2 door fixed-head coupé FR 4M 3681 cm3 101 PS 100 bhp 75 kW 1482 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 101 PS 100 bhp 75 kW
2 door fixed-head coupé FR 4M 3681 cm3 101 PS 100 bhp 75 kW 1516 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 101 PS 100 bhp 75 kW
2 door fixed-head coupé FR 4M 3681 cm3 101 PS 100 bhp 75 kW 1520 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 3681 cm3 101 PS 100 bhp 75 kW
1978 Pontiac Firebird data
bodywork
Body type2+2 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 2746 mm 108.1 inches
Track/tread (front) 1547 mm 60.9 inches
Track/tread (rear) 1524 mm 60 inches
Length 4999 mm 196.8 inches
Width 1864 mm 73.4 inches
Height 1255 mm 49.4 inches
Ground clearance
length:wheelbase ratio 1.82
Kerb weight 1525 kg 3362 lb
Weight distribution
fuel tank capacity 79 litres 17.4 UK Gal 20.9 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer GM
Engine code LD5
Cylinders V 6 in 90° vee
Capacity 3.8 litre
3791 cc
(231.341 cu in)
Bore × Stroke 96.52 × 86.36 mm
3.8 × 3.4 in
Bore/stroke ratio 1.12
Valve gear overhead valve (OHV)
2 valves per cylinder
12 valves in total
maximum power output
(net)
106 PS (105 bhp) (78 kW)
at 3400 rpm
Specific output
(net)
27.7 bhp/litre
0.45 bhp/cu in
maximum torque
(net)
251 Nm (185 ft·lb) (25.6 kgm)
at 2000 rpm
Specific torque
(net)
66.21 Nm/litre
0.8 ft·lb/cu3
Engine construction cast iron block & head
sump wet sumped
compression ratio 8:1
Fuel system 1 Rochester carburettor
bmep (brake mean effective pressure) 832 kPa (120.7 psi)
Maximum RPM
crankshaft bearings 4
Engine coolant Water
Unitary capacity 631.83 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
Power-to-weight ratio 69.81 PS/tonne (1000 kg)
51.34 kW/tonne (1000 kg)
68.85 bhp/tonne (1000 kg)
0.03 bhp/lb
Weight-to-power ratio 19.48 kg/kW
32.53 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
Turning circle
Front suspension
Rear suspension
Wheel size front 6 x 15
Wheel size rear 6 x 15
Tyres front FR78-15
Tyres rear FR78-15
Brakes F/R VeDi/Dr
Front brake diameter 279 mm
Rear brake diameter
Braked area
Gearbox 3 speed manual
Top gear ratio 1
Final drive ratio 3.08
general
Carfolio.com ID342606
Production total
Model code
Model family
RAC rating 34.7
Insurance classification No information available
Tax band No information available
1978 Pontiac Firebird added 2013-07-05.
Last modified 2013-08-04.