Cosworth DFL Evolution (1981)
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Specifications
Introduced in 1981
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Dimensions
Cylinders arrangement: V8 (90o)
Strokes: 4
Bore x Stroke: 90.0 mm x 77.7 mm, 3.543" x 3.059"
Capacity: 3995cc, 241ci
Compression ratio: 12.0:1
Construction materials
Aluminium alloy block with cast iron cylinder liners
Aluminium alloy cylinder-head with hemispherical combustion chambers
forged steel crankshaft with 5 main bearings
Steel connecting rod
Cylinder-head
Dual overhead camshafts (DOHC), gear driven
4 valves / cylinder - 32 valves total
Aspiration
Natural with Lucas multipoint electronic fuel injection
Ignition
Firing order, 1-8-3-6-4-5-2-7
Cooling and lubrication
Water cooled
Dry sump
Models used and Output
| Year | Model | Induction | Compression ratio | Power | Torque |
|---|---|---|---|---|---|
| 1981 | Ford C100 | Lucas EFI | 12.0:1 | 540 HP / 403 KW @ 9250 rpm | 461 Nm / 340 ft lbs @ 7000 rpm |
| 1982 | Mirage M12 | Lucas EFI | 12.0:1 | 540 HP / 403 KW @ 9250 rpm | 461 Nm / 340 ft lbs @ 7000 rpm |
| 1982 | Rondeau M382 | Lucas EFI | 12.0:1 | 540 HP / 403 KW @ 9250 rpm | 461 Nm / 340 ft lbs @ 7000 rpm |
| 1982 | Rondeau M482 | Lucas EFI | 12.0:1 | 540 HP / 403 KW @ 9250 rpm | 461 Nm / 340 ft lbs @ 7000 rpm |
| 1982 | Sauber C6 | Lucas EFI | 12.0:1 | 540 HP / 403 KW @ 9250 rpm | 461 Nm / 340 ft lbs @ 7000 rpm |
Source
page revision: 9, last edited: 21 Feb 2018 19:51