Operation CHARM: Car repair manuals for everyone.
Home >> Porsche >> 2005 >> 911 Turbo (996) F6-3.6L Turbo >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> System Specifications >> Technical Data >> Engine Design
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Engine Design

Engine design
Type 6-cylinder aluminum 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
Con-rod bearings Plain bearings
Connecting rods Forged
Cylinder Nikasil cylinder lining
Cylinder head Light alloy
Camshaft housing Aluminum alloy
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 gear wheel to the intermediate shaft, and from there to the exhaust and inlet camshafts via one double chain each.
Timing with 1 mm valve travel Inlet opens 10° before TDC
Inlet closes 20° after BDC
Outlet opens 41° before BDC
Outlet closes 9° before TDC
Intake system Tuned-intake system
pro multis · About Operation CHARM