P-38Ranger
Well-Known Member
I’ll tag on, does the engine oil run through the turbo bearings? To me that is the key. I have never owned a turbo vehicle.
Now, IMHO, dealer should have ”oil testers” and change on that reading. Of course, all the used oil is recycled, and the result is refused in some manner. I used Mobil 1 on my 1983 BMW 318i, and changed the filter at 5 k, and topped it off, and ran it another 5k, until it reached 50k, and I bumped it to 6k interval. That 4 cyclinder engin was tight and powerful.
Now, IMHO, dealer should have ”oil testers” and change on that reading. Of course, all the used oil is recycled, and the result is refused in some manner. I used Mobil 1 on my 1983 BMW 318i, and changed the filter at 5 k, and topped it off, and ran it another 5k, until it reached 50k, and I bumped it to 6k interval. That 4 cyclinder engin was tight and powerful.
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