Quote:
Originally Posted by funola
His latest disclosure is: For 2 years, trusted shop has been putting in castrol 10w-40 high mileage standard oil, not a “diesel” oil.
I have no experience with such practice. Could running a gasoline rated oil for 2 years result in his engine burning oil?
Where was the Techron placed during the oil change? Hopefully not in the oil.
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Diesel rated oils have a different formulation to help suspend soot. Gasoline engines make very little soot in comparison and have very little of that additive package as a result. If he's been running gasoline rated oil for 2 years and tried getting away with 4-5K OCI's you bet that could cause problems from soot depositing issues. Soot is carbon, carbon is abrasive. If the cylinder walls are scored, or if the rings are stuck in their grooves from soot/varnish accumulation, you can expect oil burning.
The Techron was probably dumped in the fuel. There is a diesel formulation of Techron out there, it comes in a jug with a green label. Having used it once in my own car, I noticed no difference. Didn't help quiet down a bad batch of fuel either, so I've stuck with Power Services as my "go-to" snakeoil additive. It seems to help quiet the "tractoriness" when I get screwed with crap fuel.