Specifications

Ferrari Colombo 250
Introduced: 1952
Click here
1952: Colombo 250
1953: Colombo 250 Tipo 125
1954: Colombo 250 Tipo 112
1955: Colombo 250 Tipo 128
1956: Colombo 250 Tipo 128 B
1957: Colombo 250 Tipo 128 LM
1957: Colombo 250 Tipo 128 C
1959: Colombo 250 Tipo 128 D
1960: Colombo 250 Tipo 168
1960: Colombo 250 Tipo 168B

Dimensions

Cylinders arrangement: V12 with 60º included angle
Strokes: 4
Bore x Stroke: 73.0 mm x 58.8 mm, 2.874" x 2.315"
Capacity: 2953cc, 180ci
Individual cylinder capacity is 250cc, thus the name of the engine
Compression ratio: 9.0:1

Construction materials

Silumin block, 90 mm bore spacing, with cast iron cylinder liners
Aluminium alloy head
Steel crankshaft with 7 main bearings 60 mm diameter
Steel connecting rod

Cylinder-head

Single overhead Tipo 130 (racing) camshaft (SOHC), chain driven
2 valves per cylinder - 24 valves total

Aspiration

Natural
1952: 3 x Weber 36 DCF Carburetors
1953 Tipo 125: 3 x Weber 36 IF 4/C or 3 x Weber 36 DCZ Carburetors
1954 Tipo 112: 3 x Weber 36 DCZ/3 Carburetors
1955 Tipo 128: 3 x Weber 36 DCL/3 Carburetors
1957 Tipo 128 LM: 6 x Weber 36 DCN
1960 Tipo 168: 3 x Weber 40 DCL/6
1961 Tipo 168B: 6 x Weber 38 DCN
body of carburetor is aluminum (DCL) or zinc (DCZ)
Click here for DCNF manual

Ignition

Single spark plug per cylinder
single coil, single distributor
Tipo 168: twin coil, twin distributor
Firing order 1 - 12 - 5 - 8 - 3 - 10 - 6 - 7 - 2 - 11 - 4 - 9

Cooling and lubrication

Water cooled
Dry sump for sport models, wet sump for 250 GT

Models used and Output

Year	Model, Engine	Induction	Compression ratio	Power	Torque
1952	Ferrari 250 S	3 x Weber 36 DCF	9.0:1	230 HP / 169 KW @ 7500 rpm	250 Nm / 184 ft lbs @ 5000 rpm
1953	Ferrari 250 MM, Tipo 125	3 x Weber 36 DCZ	9.0:1	240 HP / 177 KW @ 7200 rpm	250 Nm / 184 ft lbs @ 5000 rpm
1954	Ferrari 250 GT LWB Europa, Tipo 112	3 x Weber 36 DCZ/3	8.8:1	230 HP / 172 KW @ 7000 rpm
1955	Ferrari 250 GT LWB, Tipo 128	3 x Weber 36 DCL/3	8.5:1	240 HP / 179 KW @ 7000 rpm	265 Nm / 195 ft lbs @ 5000 rpm
1957	Ferrari 250 TR, Tipo 128LM	6 x Weber 36 DCN	9.8:1	300 HP / 224 KW @ 7200 rpm	302 Nm / 223 ft lbs @ 6100 rpm
1960	Ferrari 250 TRI, Tipo 128LM	6 x Weber 36 DCN	9.8:1	305 HP / 227 KW @ 7400 rpm	380 Nm / 280 ft lbs @ 5500 rpm
1960	Ferrari 250 GT SWB, Tipo 168	3 x Weber 40 DCL/6	8.8:1	240 HP / 177 KW @ 7000 rpm	275 Nm / 203 ft lbs @ 5500 rpm
1960	Ferrari 250 GT SWB Competizione, Tipo 168 Comp	3 x Weber 36 DCZ/3	9.2:1	280 HP / 206 KW @ 7000 rpm	264 Nm / 195 ft lbs @ 5500 rpm
1961	Ferrari 250 GT SWB Competizione '61, Tipo 168 Comp	3 x Weber 46 DCF3	9.7:1	290 bhp / 216 KW @ 7000 rpm	275 Nm / 203 ft lbs @ 5500 rpm
1962	Ferrari 250 GTO, Tipo 168B	6 x Weber 38 DCN	9.7:1	300 HP / 224 KW @ 7500 rpm	333 Nm / 246 ft lbs @ 5500 rpm
1963	Ferrari 250 P, Tipo 168B	6 x Weber 38 DCN	9.7:1	302 HP / 225 KW @ 7500 rpm	333 Nm / 246 ft lbs @ 5500 rpm