Originally Posted by empiretc
I have seen where people just filter wvo and burn it in diesel engines.
Some do, but WVO doesn't have the same heavy metals in it that WMO has.
Start with post #43 of this thread
https://www.ford-trucks.com/forums/s...=443896&page=3. Dave Barbieri accurately depicts how the worst case scanario of running waste motor oil happened to him.