FixVault

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)