1001IN Technical data for Cayenne V8 4.8-litre DFI naturally aspirated and turbo engines

WM 1001IN Technical data for Cayenne V8 4.8-litre DFI naturally aspirated and turbo engines

Information

Cayenne S manual transmission

Engine data

Engine type M48/01

No. of cylinders 8

Valves/cylinder 4

Displacement 4,806 cm3 (293.3 in3)

Bore 96 mm (3.78 in)

Stroke 83 mm (3.27 in)

Max. engine power (EU) 283 kW (385 HP)

Net power as per SAE J1349 283 kW (380 HP)

at engine speed 6200 rpm

Max. torque (EU) 500 Nm (kpm)

Max. torque (USA) 500 Nm (kpm)

at engine speed 3500 rpm

Net torque as per SAE J1349 369 ftlb.

Max. litre output 58.9 kW/l (80.5 HP/l)

Max. litre output 79.1 HP/l

Compression 12.5 (-0.6)

Idle speed 550 rpm (with gear engaged), 580 rpm (in neutral)

Max. engine speed, rpm limit 6700 rpm

Engine speed limitation via electronic accelerator and fuel cutoff
Engine design

Type 8-cylinder, 90° V-engine

Crankcase Aluminium, in two parts (bed plate)

Crankshaft Forged, supported by 5 bearings

Crankshaft bearing Binary bearings, dia. 64 mm (2.36 in)

Connecting rod Forged, l = 157.4 mm (6.46 in.)

Connecting-rod bearing Binary bearings, dia. 54 mm (2.13 in)

Piston Aluminium, cast

Cylinder Aluminium/silicon running surface, silicon particles mechanically exposed

Cylinder head Aluminium, single-part, cross-flow cooling

Number/arrangement of intake valves per cylinder 2/suspended in parallel

Number/arrangement of outlet valves per cylinder 2/suspended in parallel

Intake valve diameter 38.3mm (1.51 in)

Outlet valve diameter 33 mm (1.30 in)

Intake valve lift 10 mm (0.39 in)

Outlet valve lift 9.85 mm (0.388 in)/9.20 mm (0.368 in)

Valve control Hydraulic flat-base tappets with intake-valve lift switching

Valve clearance Hydraulic valve clearance compensation

Camshaft Chilled cast iron, hollow-cast

Camshaft drive Duplex chain

Intake camshaft adjustment Rotary vane actuator, 25° camshaft, continuously adjustable

Timing: Intake valve opens 28.5° before TDC/21.5° after TDC

Timing: Intake valve closes 10.5° after BDC/60.5° after BDC

Timing: Outlet valve opens 33.5° before BDC/23.5° before TDC

Timing: Outlet valve closes 6.5° before TDC/6.5° after TDC

Switching rpm Map-controlled

Intake system Plastic intake manifold
Engine cooling

Cooling system type/installation position Front radiator

No. of radiators 1

Fans 1 DC + 1 DC
Engine lubrication

Type Integrated dry sump

Oil cooling Oil/water heat exchanger

Oil filter On pressure side behind oil pump

Oil pressure at n = 5000 rpm; at approx. 90 °C (194 °F) 4.5 bar (65.27 psi)

Oil pressure indicator Oil pressure warning light

Oil consumption 1.0 l/1000 km
Exhaust system

Exhaust system design Twin-pipe exhaust system with 2 pre- and 2 main catalytic converters, front and rear silencers (USA: 80 dB exhaust system)
Emission control system

EURO IV M1G (passenger vehicle) Oxygen sensor closed-loop control; post-catalytic converter control (4 sensors); 3-way catalytic converter with 2 pre- and 2 main catalytic converters (bank 1-4 and 5-8); (pre-catalytic converter ceramic carrier; main catalytic converter metallic carrier) EOBD

USA FED TIER 2 CAL LEV 2 Different from EURO IV LEV 2/LEV OBD II/ ORVR
Fuel system

Injection system DME Siemens EMS SDI 4.1

Fuel supply 2 electric fuel pumps with requirement-/filling-capacity-dependent activation of second pump, 2 supply-driven sucking jet pumps

Fuel system Returnless
Electrical system

Nominal voltage 12 V

Battery capacity 95 Ah (450 A)

Starter power 1.9 kW

Generator power 2660
Engine control

Engine control unit Siemens SDI 4.1

Ignition Single-spark ignition modules

Firing order 1-3-7-2-6-5-4-8

Spark plugs Bosch FGR 5 NQE

Electrode gap 1.6 mm (0.063 in)

Electronic accelerator Bosch DVE 5 electronic accelerator

USA LEV version On-Board Diagnosis II (OBD II)

EURO IV EURO IV On-Board Diagnosis (EOBD)
Engine weight

Engine weight as per DIN 70020 228.2 kg (503.1 lbs)
Filling capacities

Engine oil specification, Europe 0W-40 Mobil 1 (Porsche approval list)

Engine oil specification, USA/RoW 0W-40 Mobil 1 (Porsche approval list)

Engine oil change quantity 8.5 l (1.76 imp. gal)

Engine oil change quantity with filter change 9.0 l (1.87 imp. gal)

Fuel tank incl. reserve 100 l (22.00 imp. gal)

Fuel tank reserve 15 l (3.30 imp. gal)

Cooling water 18 l to 21 l (3.96 imp. gal to 4.62 imp. gal) (depending on equipment)