Quote:
Originally Posted by 2001RangerXLT-4X4
I don't think they had in mind that oil itself was getting by the rings to the cats, probably what they were referring to in the articles were the gases that get by the rings, there are some, and over time they claim that is what makes the cat go bad and trip the check engine light. All I know is what I read
I just did this about 900 miles ago, don't have a clue as to what their "it will soon cause the check engine light to trip" time limit was, but I will find out. I logged the mileage and stats, will be posting any adverse effects. But so far I see none.
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Quote:
Originally Posted by Ordinary Biker
I would be interested in these articles. I find the logic to be fuzzy in the extreme to imagine that there is anything different enough from one motor oil to another that one could lead to premature cat failure. Usually things like that come from someone that has a failure and goes 'Yeah, and I just put that one oil in. MUST be related!' with no scientific foundation.
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I ran shell rotella in my ranger for 100k and never had the cats clog, it never clogged the cat on my 88 new yorker and it burned 2 quarts every 300 miles.