Ferrari Colombo 166 (1948)
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Info

Ferrari Colombo Tipo 166

Introduced in 1948

Dimensions

Cylinders arrangement: V12 with 60ยบ included angle
Strokes: 4
Bore x Stroke: 60.0 mm x 58.8 mm, 2.362" x 2.315"
Capacity: 1995cc, 121.7ci
Individual cylinder capacity is 166.3cc, thus the name of the engine
Compression ratio: 7.5:1 or 8.0:1 or 8.5:1

Construction materials

Silumin block with cast iron cylinder liners
Aluminium alloy head
Steel crankshaft with 7 main bearings
Steel connecting rod

Cylinder-head

Single overhead camshaft (SOHC), chain driven
2 valves per cylinder - 24 valves total

Aspiration

1948: 1 x Weber 32 DCF Carburetor
1948: 3 x Weber 32 DCF Carburetors
1953: 3 x Weber 36 DCF Carburetors
1953: 3 x Weber 32 IF 4/C Carburetors
Adjustments

Ignition

Magneto. Firing order 1 - 12 - 5 - 8 - 3 - 10 - 6 - 7 - 2 - 11 - 4 - 9

Cooling and lubrication

Water cooled
Wet sump

Models used and Output

Year Model Induction Compression ratio Power Torque
1948 Ferrari 166 S 1 x Weber 32 DCF 7.5:1 90 HP / 66 KW @ 5900 rpm
1948 Ferrari 166 SC 3 x Weber 32 DCF 7.5:1 129 HP / 96 KW @ 6000 rpm
1949 Ferrari 166 Inter 1 x Weber 32 DCF 7.5:1 110 HP / 81 KW @ 6000 rpm
1949 Ferrari 166 MM 3 x Weber 32 DCF 8.0:1 140 HP / 104 KW @ 6600 rpm 159 Nm / 117 ft lbs @ 5000 rpm
1953 Ferrari 166 MM 3 x Weber 32 IF 4/C or
3 x Weber 36 DCF
8.5:1 160 HP / 118 KW @ 7200 rpm

Drawings

ferrari_166_inter_v12_engine.jpg Source
ferrari_166mm_barchettaV12.jpg Source
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