vangonebuy Report post Posted November 23, 2014 3rd oil change.#1 I did it at 8500 miles. Motorcraft semi synthetic oil and Motorcraft FL910s filter.#2 My Ford Dealer did the oil with an normal maintenence17000 miles, All works fine.#3 I did oil today. 24000 miles. When I removed the underbody cover. I notice the filter looked longer.Motorcraft SL400s was used. I'll call tomorrow and question the swap of parts.All seems fine. Quote Share this post Link to post Share on other sites