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About
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Car Specs
1930 Bentley 4-Litre
information
Bentley
Build Start:
1930
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Specifications
General
Build Start:
1930
ModelVariant:
4-Litre
Dimensions
Wheelbase:
3404mm
Track/tread (rear):
1422mm
Width:
1740mm
Kerb weight:
1981 kgkg
Track/tread (front):
1422mm
Length:
4851mm
Fuel Tank Capacity:
90.9 litreslitres
Body Details
Body type:
4/5 seater sedan/saloon
Engine details
Specific output:
30.7 bhp/litre0.5 bhp/cu inbhp/litre
Engine coolant:
Water
Aspiration:
Normal
Engine position:
front
Top gear ratio:
1
engine type:
naturally aspirated petrol
Cylinders:
Straight 6
Bore × Stroke:
85 × 115 mm, 3.35 × 4.53 inmm
Bore/stroke ratio:
0.74
compression ratio:
5.5:1
crankshaft bearings:
7
Catalytic converter:
N
Engine layout:
longitudinal
Gearbox:
4
Final drive ratio:
4.58
Engine manufacturer:
Bentley
Capacity:
3.9 litre3915 cc(238.908 cu in)
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Performance
Power-to-weight ratio:
61.42 PS/tonne (1000 kg), 45.17 kW/tonne (1000 kg), 60.58 bhp/tonne (1000 kg), 0.03 bhp/lb
Drive wheels:
rear wheel drive
maximum power output:
122 PS (120 bhp) (89 kW)at 4000 rpm
Weight-to-power ratio:
22.14 kg/kW, 36.98 lb/bhpkg/kW
Fuel Consump.
Fuel system:
2 SU carbs
Chassis & Geomtry
Rear suspension:
LA.SE.
Front suspension:
LA.SE.
length:wheelbase ratio:
1.43
Wheels & Tyres
Tyres rear:
20 x 6.5
Tyres front:
20 x 6.5
Other
Valve gear:
overhead inlet, side exhaust (oise), 2 valves per cylinder, 12 valves in total
RAC rating:
26.9
Unitary capacity:
652.5 cccc
Number of doors:
4
Parts For Sale
Bentley 4 1/4 Litre MK VI Handbook VIII Maintenance Manual. TSD 523 OEM Book
Bentley 4 1/4 Litre MK. VI Handbook VIII Owners Manual. TSD used
1946 Bentley 4 1/4 Litre Mark VI Ad Reprint from The Motor
Bentley 3-1/2 & 4-1/4 Litre 1933-40 Rolls In Detail Book
Bentley 4 1/4 Litre 4 1/2 Litre & Rolls Royce Silver Dawn NOS Lucas Headlamp Rim
BENTLEY 3½ 4½ LITRE MOTORS 1945 LTD SERVICE INSTRUCTIONS Vol 1 MOTOR CAR Lube
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