Quote:
Originally Posted by ta6point6
Well archoil is supposed to help clean out sludge and has boron to provide more lubrication for less metal to metal friction. If it can clean sludge and provide less friction then theoretically it could improve lubrication hence higher oil pressure.
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I've used diesel rated oil through the years to clean dirty engines. Case in point, '80ish Toyota short trip car. Smoked and used oil big time. Ran 5w-40 Rotella through it a couple of times and it cleaned up nice, no smoke, and oil usage was drastically reduced. Same with my '06 BMW 750LI DD, these are known oil burners and I use Rotella T6 5w-40 and consumption has been cut in half.