Buick 80 Roadmaster, 1939 MY

The Buick 80 Roadmaster is a rear wheel drive vehicle, with its motor placed in the front, and a saloon (sedan) bodyshell. It is powered by a naturally aspirated engine of 5.2 litre capacity. This powerplant features overhead valve valve gear, 8 cylinder layout, and 2 valves per cylinder. It has an output of 141 bhp (143 PS/105 kW) of power at 3600 rpm. A 3 speed Wilson Preselect transmission transfers the power to the driven wheels. It weighs a stated 2032 kg at the kerb.

Pictures

Key facts

Buick 80 Roadmaster, 1939 MY brief technical data

What body style?sedan/saloon with 4/5 seats
How long?5423 mm
How heavy?2032 kg
What size engine?5.2 litre, 5231 cm3
How many cylinders?8, Straight
How much power? 143 PS / 141 bhp / 105 kW @ 3600 rpm
How much torque?Unknown

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1939 Buick 80 Roadmaster data
bodywork
Body type4/5 seater sedan/saloon
Number of doors
Designer
dimensions & weights
mminches
Wheelbase 3391 mm 133.5 inches
Track/tread (front) 1513 mm 59.6 inches
Track/tread (rear) 1513 mm 59.6 inches
Length 5423 mm 213.5 inches
Width 1918 mm 75.5 inches
Height
Ground clearance 197 mm 7.8 inches
length:wheelbase ratio 1.6
Kerb weight 2032 kg 4480 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Buick
Engine code
Cylinders Straight 8
Capacity 5.2 litre
5231 cc
(319.215 cu in)
Bore × Stroke 87.31 × 109.5 mm
3.44 × 4.31 in
Bore/stroke ratio 0.8
Valve gear overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output 143 PS (141 bhp) (105 kW)
at 3600 rpm
Specific output 27 bhp/litre
0.44 bhp/cu in
maximum torque
Specific torque
Engine construction
sump
compression ratio
Fuel system
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 653.88 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
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 70.35 PS/tonne (1000 kg)
51.74 kW/tonne (1000 kg)
69.39 bhp/tonne (1000 kg)
0.03 bhp/lb
Weight-to-power ratio 19.33 kg/kW
32.28 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 I.
Rear suspension LA.CS.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox 3 speed
Top gear ratio 1
Final drive ratio 4.18
general
Carfolio.com ID54626
Production total
Model code
Model family
RAC rating 37.8
Insurance classification No information available
Tax band No information available
1939 Buick 80 Roadmaster added before December 1995.
Last modified 2013-02-28.