So, first long drive on a new to me two tank '82 Benz 240D. Drove OK in the week leading up to a big drive, not so good during the big drive:
Night 1: 260 miles, Warm up on diesel & balance of trip on WVO (No bubbles in pan test, filtered through nominal 5 micron sock filters).
60-75 MPH the whole way, smelled like oil at the toll booth. Switched to diesel, last 20 miles, cause I thought WVO was running out (Pointed uphill, got a little hesitation)Day 2: Checked WVO,