Originally Posted by kevinsranger
seriously? why is the motorcraft so important? i am curious bout this
You changed your plugs and didn't put motorcraft in, didn't you? I have a feeling thats why your pinging.
Even guys on the jeep forum I am on say running anything but champions in a Chrysler will net you the same (bad) results. one gentleman actually had dieseling above 3000rpms with bosch +4's...