That was my first inclination as well gas oil in diesel. Soot was not suspended in oil, settled out in winter, Previous owner is no longer returning phone calls.
Matt
I recently picked up another project car, anyone want to chime in on causes of this amount of sludge. 2003 Tdi Vw with 148k miles, turbo failed due to clogged supply line go figure! Previouse owner swears he did 10k oil change full synth. The car was only driven in the summer, parked each...