Spark Plug: Application and ID
4.0L V6
CID 245
Required Fuel 87 Octane
Firing Order 1-4-2-5-3-6
Spark Plug Gap 0.052-0.054 inch.
Ign. System Type EDIS
Compression Ratio 9.7 to 1
4.6L V8
CID 281
Required Fuel 87 Octane
Firing Order 1-3-7-2-6-5-4-8
Spark Plug Gap 0.040-0.050 inch. (non-adjustable)
Ign. System Type Coil on Plug
Compression Ratio 9.8 to 1