Originally Posted By: chevrofreak
Do you ever hear any rattle on start-up with your 4.6's? It's a very common thing with the 4.6 if the anti drain-back valve in the filter isn't sealing well. The Motorcraft filter is one of the only filters that doesn't have that problem.
If you don't experience that on any of your vehicles using the Wix filter, keep using them.
My Taurus does the same thing if the filter does not have a real good ADBV. I use the cheapest oil I can get for RX runs. Just as long as it has the latest ratings. I don't put in SA rated oil.........
Do you ever hear any rattle on start-up with your 4.6's? It's a very common thing with the 4.6 if the anti drain-back valve in the filter isn't sealing well. The Motorcraft filter is one of the only filters that doesn't have that problem.
If you don't experience that on any of your vehicles using the Wix filter, keep using them.
My Taurus does the same thing if the filter does not have a real good ADBV. I use the cheapest oil I can get for RX runs. Just as long as it has the latest ratings. I don't put in SA rated oil.........
