Engine; Engine Design - Porsche 996 TT Repair Manual

Engine

Engine
Engine type
Bore
Stroke
Cubic capacity
Compression ratio
Max. engine power as per 80/1269/EEC
at engine speed
Max. torque
at engine speed
Max. litre output
Engine speed limitation by fuel cutoff at
Idle speed
Engine weight as per DIN 70020 A
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Engine design

Type
Crankcase
Cylinder housing
Crankshaft
Crankshaft bearings
Con−rod bearings
Connecting rods
Cylinder
Cylinder head
Camshaft housing
Valve guide
Valve arrangement
Valve control
Camshaft
Engine
6−cylinder aluminium opposed−cylinder engine, water cooled, Bi−Turbo
Vertically divided crankcase made from cast light alloy, separate cylinder
housing
Cast light alloy with wet light alloy bushings inserted, Nikasil coating
Forged, supported by 8 bearings
Plain bearings
Plain bearings
Forged
Nikasil cylinder lining
Light alloy
Aluminium alloy
Pressed in
2 inlet valves suspended in parallel V arrangement
2 exhaust valves suspended in parallel V arrangement
Via flat−base tappets
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.
Inlet opens 10° before TDC
einordnung
mm (in.)
mm (in.)
cm³ (cu. in.)
kW
rpm
Nm (ftlb.)
rpm
kW/l
rpm
rpm
kg
M96/70
100 (3.94)
76.4 (3.01)
3600 (219.7)
9.4:1
309
6000
560 (57.08)
2700−4600
85.8
6750
740 ± 40
58