Quote:
Originally Posted by shertex
Mobil 1 Turbo Diesel Truck 5w40 synthetic (basically same as Delvac 1) every 9-10,000 miles or so. I did an oil analysis on the 92 after 7500 miles and the soot was at only 0.8%!
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+1, except I do mine ever 4200 or so. I do run WVO blends, so I change it a little more frequently than normal.
I figure its cheap insurance. In that 4200 mile span, the engine consumes no oil whatsoever.
