Ignition System: Notes
NOTE:
Manufacturer suggests using a magnetic timing probe (installed in magnetic probe socket on timing chain cover) to set ignition timing. If using a conventional timing light with an adjustable advance control feature, turn control to the "OFF" position. Set ignition timing to specification listed on Emission Control Information label.
SPARK PLUG TYPE
| Application | Champion No. |
|---|---|
| 4.0L | RC9YC |
| 4.2L | RFN14LY |
SPARK PLUG INSTALLATION
| Gap: In. (mm) | Torque: Ft. Lbs. (N.m) |
|---|---|
| 0.035 (0.89) | 10-15 (10-20) |