Technical Specifications; Injection – Ignition - Maserati Quattroporte Automatic 2009 Owner's Manual

M139_UM_usa1.book Page 226 Monday, September 1, 2008 2:39 PM

Technical specifications

Engine
General
Type code
Cylinder number and position
Number of valves per cylinder
Bore and stroke
Total displacement
Compression ratio
Maximum power (EC)
corresponding
Maximum torque (EC)
corresponding
7
226
Technical specifications
Version Version
Quattroporte Quattroporte S
M139 A M139 R
8 - 90° V 8 - 90° V
4 4
mm 92x79.8 94x84.5
3
cm 4,244 4,691
11.058±0.2:1 11.02
kW 295 317
HP 396 425
r.p.m. 7,100 7,000
Nm 452 490
kgm 46 50
r.p.m. 4,750 4,750
Injection – Ignition
The ignition and injection system is
controlled by a single microprocessor
ECU. This enhances engine
performance, improving the handling
of the vehicle, and reduces fuel
consumption, by optimizing engine
running with partial loads.
Injection
Version Quattroporte
– Type Bosch Motronic ME7.1.1.
Version Quattroporte S
– Type Bosch Motronic ME9.1.1.
Ignition
– Static ignition
– Ignition sequence: 1-8-6-2-7-3-4-5
– Ignition coil: ELDOR
Version Quattroporte
– Spark plugs: NGK PMR8B.
Version Quattroporte S
– Spark plugs: NGK PMR8C-H.
Battery
– FIAMM 12V 100 Ah 850A