So if moly seems to help, I fixed my Ram hemi tick with Redline oil. Got the information on ramforum.com... https://www.ramforum.com/threads/synthetic-oil.27664/ . That synthetic oil thread is long, took me a month to read! Redline oil has high molybdenum among other additives and has a high success rate with fixing the hemi tick. It's not cheap...Partsource regular price is $65 for a 4 US quarts jug. Maybe it would work for the Ford tick?