Originally Posted by pasadenahotrod
Ford used a frame mounted filter assembly which used a spin-on throwaway filter. My 84 Grand Marquis with a 5.0 had one mounted just in front of the right rear tire inside the frame rail. It also has a nice moulded plastic shield around it for protection. Look under any Grand Marquis or Crown Vic and your search will be over.
I don't recall seeing those in my years as a Ford Partsman.
This is what I recall seeing: