Car Specs

1975 Buick Regal Hardtop Sedan

Information

Buick

Quick Facts

Chassis Code: 4A

Build Start: 1975

Available in other variants

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Specifications

General

Build Start: 1975
Model Variant: 4A
Chassis Code: 4A

Dimensions

Width: 2007mm
Fuel Tank Capacity: 83litres
Wheelbase: 2946mm
Track/tread (rear): 1542mm
Length: 5486mm
Height: 1374mm
Kerb weight: 1865kg
Track/tread (front): 1562mm

Body Details

Body Type: 4/5 seater sedan/saloon

Engine Details

Engine Manufacturer: GM
Capacity: 5.7 litre (5724cc)
Bore/stroke ratio: 0.99
Specific output(Net): 21.5 kW/litre29.2 ps/litre, 28.8 bhp/litre0.47 bhp/cu in
Engine Construction: cast iron block & head
Compression Ratio: 8:1
Engine Coolant: Water
Aspiration: Normal
Engine Position: front
Top Gear Ratio: 1
Final Drive Ratio: 2.56
Engine Type: naturally aspirated petrol
Cylinders: V 8 in 90° vee
Bore × Stroke: 96.52 × 97.79mm
Specific torque(Net): 61.67 Nm/litre, 0.75 ft·lb/cu3
Sump: wet sumped
Crankshaft Bearings: 5
Catalytic converter: Y
Engine Layout: longitudinal
Gearbox: 3 speed automatic

Performance

maximum power output(Net): 167 PS (165 bhp) (123 kW)at 3800 rpm
Power-to-weight ratio: 89.7 PS/tonne (1000 kg)
Drive Wheels: rear wheel drive
maximum torque(Net): 353 Nm (260 ft·lb) (36 kgm)at 2200 rpm
Weight-to-power ratio: 15.16kg/kW

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Fuel Consump.

Fuel system: 1 Rochestrer carburettor

Chassis & Geomtry

Length:Wheelbase Ratio: 1.86

Brakes

bmep (brake mean effective pressure): 775kPa
Front Brake Diameter: 279mm
Brakes F/R: VeDi/Dr

Wheels & Tyres

Wheel Size Rear: 15x6
Tyres Rear: GR78-15
Wheel Size Front: 15x6
Tyres Front: GR78-15

Other

Model code: J29
RAC rating: 46.2
Valve Gear: overhead valve (OHV), 2 valves per cylinder, 16 valves in total
Unitary Capacity: 715.5cc
Number of doors: 4

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