Engine Data - Mercury 2009 Grand Marquis Owner's Manual

ENGINE DATA

Engine
Cubic inches
Required fuel
Firing order
Ignition system
Spark plug gap
Compression ratio
Engine drivebelt routing
2009 Grand Marquis (grn)
Owners Guide, 1st Printing
USA (fus)
Maintenance and Specifications
4.6L V8 engine
281
87 octane
1-3-7-2-6-5-4-8
Coil on plug
0.052–0.056 inch
(1.32–1.42 mm)
9.4:1
4.6L FFV V8 engine
281
87 octane or Ethanol
(E 85)
1-3-7-2-6-5-4-8
Coil on plug
0.041–0.047 inch
(1.04–1.20 mm)
9.4:1
255