Chevrolet Impala Coupé, 1978 MY 1BL00 1BL47

This car has a 2 door coupé type body with a front mounted engine supplying power to the rear wheels. The Chevrolet Impala Coupé belongs to the 1BL00 range of cars from Chevrolet. The 6 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a displacement of 4.1 litres. This unit develops power and torque figures of 110 bhp (112 PS/82 kW) at 3800 rpm and 258 Nm (190 lbft/26.3 kgm) at 1600 rpm respectively. The engine delivers its power through to the wheels via a 3 speed automatic transmission.

Pictures

Key facts

Chevrolet Impala Coupé, 1978 MY 1BL00 1BL47 information summary

What body style?
2 door fixed-head coupé with 4/5 seats
How long?
5387 mm
What size engine?
4.1 litre, 4093 cm3
How many cylinders?
6, Straight
How much power?
112 PS / 110 bhp / 82 kW @ 3800 rpm
How much torque?
258 Nm / 190 ft.lb / 26.3 kgm @ 1600 rpm

Chevrolet 1BL00 models

4 door sedan/​saloon FR 3A 4093 cm3 112 PS 110 bhp 82 kW
4 door sedan/​saloon FR 3A 4093 cm3 91 PS 90 bhp 67 kW
4 door sedan/​saloon FR 3A 5733 cm3 172 PS 170 bhp 127 kW
4 door sedan/​saloon FR 3A 5733 cm3 162 PS 160 bhp 119 kW
4 door sedan/​saloon FR 3A 5001 cm3 147 PS 145 bhp 108 kW
4 door sedan/​saloon FR 3A 5001 cm3 137 PS 135 bhp 101 kW
2 door fixed-head coupé FR 3A 4093 cm3 91 PS 90 bhp 67 kW
2 door fixed-head coupé FR 3A 5733 cm3 172 PS 170 bhp 127 kW
2 door fixed-head coupé FR 3A 5733 cm3 162 PS 160 bhp 119 kW
2 door fixed-head coupé FR 3A 5001 cm3 147 PS 145 bhp 108 kW
2 door fixed-head coupé FR 3A 5001 cm3 137 PS 135 bhp 101 kW
5 door estate/​station wagon FR 3A 5733 cm3 162 PS 160 bhp 119 kW
5 door estate/​station wagon FR 3A 5001 cm3 137 PS 135 bhp 101 kW
5 door estate/​station wagon FR 3A 5733 cm3 172 PS 170 bhp 127 kW 1900 kg
5 door estate/​station wagon FR 3A 5001 cm3 147 PS 145 bhp 108 kW
4 door sedan/​saloon FR 3A 5733 cm3 172 PS 170 bhp 127 kW
4 door sedan/​saloon FR 3A 5001 cm3 147 PS 145 bhp 108 kW
4 door sedan/​saloon FR 3A 4093 cm3 112 PS 110 bhp 82 kW
2 door fixed-head coupé FR 3A 5733 cm3 172 PS 170 bhp 127 kW
2 door fixed-head coupé FR 3A 5001 cm3 147 PS 145 bhp 108 kW
2 door fixed-head coupé FR 3A 4093 cm3 112 PS 110 bhp 82 kW
5 door estate/​station wagon FR 3A 5733 cm3 172 PS 170 bhp 127 kW
5 door estate/​station wagon FR 3A 5001 cm3 147 PS 145 bhp 108 kW

Similar models

2 door fixed-head coupé FR 3A 4982 cm3 122 PS 120 bhp 89 kW 1861 kg
2 door fixed-head coupé FR 1991 cm3 111 PS 109 bhp 81 kW
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 FR 3M 3791 cm3 117 PS 115 bhp 86 kW 1500 kg
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 3791 cm3 106 PS 105 bhp 78 kW 1575 kg
2 door fixed-head coupé FR 3A 3791 cm3 106 PS 105 bhp 78 kW 1575 kg
2 door fixed-head coupé FR 3M 3791 cm3 117 PS 115 bhp 86 kW 1477 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 3791 cm3 106 PS 105 bhp 78 kW
2 door fixed-head coupé FR 3M 3791 cm3 115 PS 113 bhp 84 kW 1395 kg
2 door fixed-head coupé FR 3A 3791 cm3 115 PS 113 bhp 84 kW
2 door fixed-head coupé FR 3M 3791 cm3 106 PS 105 bhp 78 kW 1616 kg
Pontiac Le Mans Hardtop -
2 door fixed-head coupé FR 3M 3791 cm3 106 PS 105 bhp 78 kW 1616 kg
2 door fixed-head coupé FR 3A 3791 cm3 106 PS 105 bhp 78 kW
2 door fixed-head coupé FR 3M 3791 cm3 117 PS 115 bhp 86 kW 1418 kg
2 door fixed-head coupé FR 3A 3791 cm3 117 PS 115 bhp 86 kW
1978 Chevrolet Impala Coupé data
bodywork
Body type4/5 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 2945 mm 115.9 inches
Track/tread (front) 1570 mm 61.8 inches
Track/tread (rear) 1544 mm 60.8 inches
Length 5387 mm 212.1 inches
Width 1930 mm 76 inches
Height 1405 mm 55.3 inches
Ground clearance
length:wheelbase ratio 1.83
Kerb weight
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 Chevrolet
Engine code L22
Cylinders Straight 6
Capacity 4.1 litre
4093 cc
(249.77 cu in)
Bore × Stroke 98.42 × 89.66 mm
3.87 × 3.53 in
Bore/stroke ratio 1.1
Valve gear overhead valve (OHV)
2 valves per cylinder
12 valves in total
maximum power output
(net)
112 PS (110 bhp) (82 kW)
at 3800 rpm
Specific output
(net)
26.9 bhp/litre
0.44 bhp/cu in
maximum torque
(net)
258 Nm (190 ft·lb) (26.3 kgm)
at 1600 rpm
Specific torque
(net)
63.03 Nm/litre
0.76 ft·lb/cu3
Engine construction cast iron block & head
sump wet sumped
compression ratio 8.1:1
Fuel system 1 Rochester 17058014 carburettor
bmep (brake mean effective pressure) 792.1 kPa (114.9 psi)
Maximum RPM
crankshaft bearings 7
Engine coolant Water
Unitary capacity 682.17 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
Weight-to-power ratio
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 3.160
Turning circle
Front suspension
Rear suspension
Wheel size front 6JJ x 15
Wheel size rear 6JJ x 15
Tyres front FR78-15
Tyres rear FR78-15
Brakes F/R VeDi/Dr-S
Front brake diameter 279 mm
Rear brake diameter 241 mm
Braked area
Gearbox 3 speed automatic
Top gear ratio 1
Final drive ratio 2.73
general
Carfolio.com ID334620
Production total
Model code 1BL47
Model family 1BL00
RAC rating 36.0
Insurance classification No information available
Tax band No information available
1978 Chevrolet Impala Coupé added 2013-04-25.
Last modified 2013-04-25.