Key facts

1938 Alfa Romeo 8C 2900 B Lungo 8C 2900 information summary

What body style?
fixed-head coupé with 2+2 seats
How long?
5150 mm
How heavy?
1250 kg
What size engine?
2.9 litre, 2905 cm3
How many cylinders?
8, Straight
How much power?
180 PS / 178 bhp / 133 kW @ 5200 rpm
How much torque?
How fast?
175 km/h, 109 mph

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Alfa Romeo Automobiles SpA

Alfa Romeo 8C 2900 models

1938 Alfa Romeo 8C 2900 B Lungo technical specifications


The 8C 2900 B Lungo is a rear wheel drive Touring designed coupé car with a front located engine, manufactured by Alfa Romeo.
The Alfa Romeo 8C 2900 B Lungo is one of the 8C 2900 model family from Alfa Romeo.
It's powered courtesy of a supercharged engine of 2.9 litre capacity. This unit features double overhead camshaft valve gear, 8 cylinder layout, and 2 valves per cylinder. It develops 178 bhp (180 PS/133 kW) of power at 5200 rpm.
A 4 speed manual gearbox transmits the power to the driven wheels.
Its claimed weight at the kerb is 1250 kg.
The Alfa Romeo 8C 2900 B Lungo is claimed to achieve a maxiumum speed of 175 km/h (109 mph).
1938 Alfa Romeo 8C 2900 B Lungo data
1938 Alfa Romeo 8C 2900 B Lungo 8C 2900 data
Body type2+2 seater fixed-head coupé
Number of doors2
dimensions & weights
Wheelbase 3000 118.1
Track/tread (front) 1350 53.1
Track/tread (rear) 1350 53.1
Length 5150 202.8
Width 1770 69.7
Height 1500 59.1
Ground clearance
length:wheelbase ratio 1.72
Kerb weight 1250 kg 2756 lb
Weight distribution
fuel tank capacity
Drag coefficient
Frontal area
engine type supercharged petrol
Engine manufacturer Alfa Romeo
Engine code
Cylinders Straight 8
Capacity 2.9 litre
2905 cc
(177.274 cu in)
Bore × Stroke 68 × 100 mm
2.68 × 3.94 in
Bore/stroke ratio 0.68
double overhead camshaft (DOHC)
2 valves per cylinder
16 valves in total
maximum power output 180 PS (178 bhp) (133 kW)
at 5200 rpm
Specific output 61.3 bhp/litre
1 bhp/cu in
maximum torque
Specific torque
Engine construction
compression ratio 5.75:1
Fuel system 2 Zenith carburettors
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 363.13 cc
Aspiration S/Charged
Catalytic converter N
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed 175 km/h (109 mph)
Power-to-weight ratio 144.38 PS/g
106.19 kW/g
142.4 bhp/ton
0.06 bhp/lb
Weight-to-power ratio 9.42 kg/kW
15.73 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
turns lock-to-lock
Turning circle
Front suspension I.CS.
Rear suspension I.TL.
Wheel size front
Wheel size rear
Tyres front 5.50 x 9
Tyres rear 5.50 x 9
Brakes F/R Dr/Dr
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio 0.88
Final drive ratio
general ID38368
Production total 10
Model code
Model family 8C 2900
RAC rating 22.9
Insurance classification No information available
Tax band No information available
1938 Alfa Romeo 8C 2900 B Lungo added before December 1995.
Last modified 2013-02-28.

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1938 Alfa Romeo 8C 2900 B Lungo

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