Pontiac Bonneville Hardtop (1977) Specifications

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Return to Main Page ==Specifications==

1977 Pontiac Bonneville Hardtop
Performance
Max Power 172.4 PS (170 bhp) (126.8 kW) @ 4000 rpm
Specific Output 29.3 bhp/litre0.48 bhp/cu in
Brake mean effective pressure 805 kPa (116.8 psi)
Max Torque 372.0 Nm (274 ft·lb) (37.9 kg m) @ 1800 rpm
Specific Torque 64.06 Nm/litre
Redline 4400 rpm
Power to weight 102.1 bhp/ton
Max Speed
0-50 mph (80 km/h)
0-60 mph
0-100 km/h
0-100 mph
80-120 km/h (50-70 mph) in top gear
Standing km
Chassis
Doors 4
Engine Location Front
Engine Alignment Longitudinal
Engine code
Aspiration Normal
Cylinders V8 in 90.0 degrees, vee
Engine Capacity 5.8 litre5807 cc (354.365 cu in) OHV 2 valves per cylinder 16 valves in total
Bore and stroke 98.50 mm x95.25 mm 3.88 in x3.75 in
Compression Ratio 7.60:1
Engine Construction Cast Iron Block and Head
Engine Lubrication Wet sump
Engine Manufacturer Pontiac
Main crankshaft bearings 5
Compressor type N/A
Intercooler None
Catalytic converter Y
Bore/stroke ratio 1.03
Unitary capacity 725.88 cc per cylinder
Fuel System 1 Rochester M4MC carburettor
Gearbox 3 speed automatic
Drive Type rear wheel drive
Transmission Ratios: Top 1.00
Final Gear Ratio
Steering Recirculating ball Variable power assist
Brakes Ventilated Disc /Drum-S
Brake size 279 mm front and rear
Braked area
Suspension Independent Wishbone Coil Springs Anti-roll bar rear Live axle TrailRadius arms Coil Springs Anti-roll bar
Wheels rear
Tyres GR78 x 15rear GR78 x 15
Steering Wheel Turns (lock to lock) 3.500
Max Turning Circle
Drag Co-efficient
Frontal area Cx
Dimensions and Weight
Overall Length 5443 mm 214.3 in
Overall Width 1923 mm 75.7 in
Overall Height 1351 mm 53.2 in
Wheelbase 2944 mm 115.9 in
Weight distribution (front)
Track Front 1567 mm 61.7
Ground Clearance 142 mm 5.6 in
Kerb Weight 1665 kg 3671 lb
Equipment
Fluids and Capacities
Fuel Tank 80 litres17.6 UK Gal21.1 US Gal
Fuel Consumption Combined
C02 emissions
Coolant Water
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