It used to be an idea that had widespread use. But with the advent of ultra-low sulfur diesel some of the lubricating qualities have gone down.
It'd be OK in a vehicle that does not have a CAT. With CAT in place, you will be adding ash to the CAT load as it burns off the residual oil (some % will always not burn) ...
Edited by BrocLuno (08/08/17 08:11 PM)
Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.