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ENGINE DATA Engine 4.6L V8 engine 4.6L FFV V8 engine Cubic inches 281 281 Required fuel Minimum 87 octane Minimum 87 octane or Ethanol (E85) Firing order 1-3-7-2-6-5-4-8 1-3-7-2-6-5-4-8 Ignition system Coil on plug Coil on plug Spark plug gap 0.052–0.056 inch (1.32–1.42 mm) 0.041–0.047 inch (1.04–1.20 mm) Compression ratio 9.4:1 9.4:1 Engine drivebelt routing Maintenance and Specifications 267 2011 Crown Victoria (cro) |