The 6.0 has 2 filters - one on the frame on the left side and one on the top of the engine . Both are 5 micron filters.
The fuel tank has a steel outer layer and a plastic inside. There are reports of the plastic separating with high bio % use. I've read this on FTE site in the 6.0 forum.
Last edited by bigredtruckmi; 01-14-2007 at 09:37 AM.