[stroncl]

Here ya go, but according to the service manual and the Maintenance Schedual B, you don't need to replace the plugs on the 2.7 or 3.5 till 100,000 miles. Same for the 6.1 for that matter. Looks like the only one that needs changing every 30,000 miles is the 5.7.

Thanks alot for the help Rambit.