Originally Posted by alchymist

I checked with the dealer - my '08 came with plain old 5W20 Motorcraft. Perhaps the filter does pick up the majority of the crap - but it won't trap it all. Besides changing the oil also gets the filter changed so it isn't loaded up. So, even if it didn't gain anything, it sure didn't hurt anything other than the cost of the oil change. Plus, it gives the tech an early opportunity to check things over......