Engine design
GENERAL SPECIFICATION - ENGINE DESIGN (1 Of 2)
| Type | 6-cylinder aluminium opposed-cylinder engine, water cooled, bi-Turbo |
| Crankcase | Vertically divided crankcase made from cast light alloy, separate cylinder housing |
| Cylinder housing | Cast light alloy with wet light alloy bushings inserted, Nikasil coating |
| Crankshaft | Forged, supported by 8 bearings |
| Crankshaft bearings | Plain bearings |
| Connecting rods | Forged |
| Con-rod bearings | Plain bearings |
| Piston | Pressed light alloy |
| Cylinder | Nikasil cylinder lining |
| Cylinder head | Light alloy |
| Camshaft housing | Non-metallic |
| Valve guide | Pressed in |
| Valve arrangement | 2 inlet valves suspended in parallel V arrangement |
| 2 exhaust valves suspended in parallel V arrangement | |
| Valve control | Via flat-base tappets |
| Camshaft | From the crankshaft via a gearwheel to the intermediate shaft, and from there to the exhaust and inlet camshafts via one double chain each. |
| Camshaft adjustment | Porsche VarioCam Plus with 30° adjustment |
| Valve clearance | Hydraulic valve clearance compensation |
GENERAL SPECIFICATION - ENGINE DESIGN (2 Of 2)
| Valve timing | Inlet opens at 10° before TDC |
| with 1 mm valve travel and zero clearance (kinetic clearance of the operating plunger taken into account, basic inlet camshaft setting early) | Inlet closes at 20° after BDC Outlet at 4° before BDC Outlet closes at 9° before TDC |
| Intake system | Tuned-intake system (plastic) |