Key facts

Buick Special Business Coupé, 1938 MY Series 40 46 information summary

What body style?
fixed-head coupé with 2 seats
How long?
5082 mm
What size engine?
4.1 litre, 4065 cm3
How many cylinders?
8, Straight
How much power?
108 PS / 107 bhp / 80 kW @ 3400 rpm
How much torque?
275 Nm / 203 ft.lb / 28 kgm @ 2000 rpm

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1938 Buick Special Business Coupé technical specifications

Introduction

The Buick Special Business Coupé is a rear wheel drive road car, with the engine positioned in the front, and a 2 door coupé bodyshell.
The Buick Special Business Coupé belongs to the Series 40 model family from Buick.
Its 4.1 litre engine is a naturally aspirated, overhead valve, 8 cylinder that has an output of 107 bhp (108 PS/80 kW) of power at 3400 rpm, and maximum torque of 275 N·m (203 lb·ft/28 kgm) at 2000 rpm.
The engine delivers its power through to the wheels via a 3 speed manual transmission.
1938 Buick Special Business Coupé data
Buick Special Business Coupé, 1938 MY Series 40 46 data
bodywork
Body type2 seater fixed-head coupé
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 3099 122
Track/tread (front) 1484 58.4
Track/tread (rear) 1503 59.2
Length 5082 200.1
Width
Height
Ground clearance
length:wheelbase ratio 1.64
Kerb weight
Weight distribution
fuel tank capacity 68.2 litres 15 UK Gal 18 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Buick
Engine code
Cylinders Straight 8
Capacity 4.1 litre
4065 cc
(248.062 cu in)
Bore × Stroke 78.58 × 104.77 mm
3.09 × 4.12 in
Bore/stroke ratio 0.75
overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output 108 PS (107 bhp) (80 kW)
at 3400 rpm
Specific output 26.3 bhp/litre
0.43 bhp/cu in
maximum torque 275 Nm (203 ft·lb) (28 kgm)
at 2000 rpm
Specific torque 67.65 Nm/litre
0.82 ft·lb/cu3
Engine construction
sump
compression ratio 6.15:1
Fuel system 1 Marvel CDI carburettor
bmep (brake mean effective pressure) 850.1 kPa (123.3 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 508.13 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
Weight-to-power ratio
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per 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 worm & double roller
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front
Wheel size rear
Tyres front 16 x 6.50
Tyres rear 16 x 6.50
Brakes F/R Dr/Dr
Front brake diameter
Rear brake diameter
Gearbox 3 speed manual
Top gear ratio 1.00
Final drive ratio 4.40
general
Carfolio.com ID340824
Production total
Model code 46
Model family Series 40
RAC rating 30.6
Insurance classification No information available
Tax band No information available
1938 Buick Special Business Coupé added 2013-06-23.
Last modified 2013-06-23.

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1938 Buick Special Business Coupé


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