That is great Tom that you have 210k miles and still running strong!
I really do believe that frequent quality oil changes at lower miles does prolong the life of engines. Mobil1 EP (extended) is full synthetic & good oil.
I just confirmed my actual mileage on oil change from Sat, 2600 miles was on it, and it was dirty on the bottom of dipstick after sitting all night. It looked black coming out from drain plug..eek!
Would switching from a $5 Napa Gold Filter to a $13 Napa Platinum make that much of a difference? I guess I will have to try one next time and find out. It would appear that the Napa platinum is a bit more robust & offers filter media formulated specifically for synthetics. I've never really been into all this boutique stuff just changing oil & filter at lower miles, and keep driving. I suppose one could say that if I keep changing at 3-3500 miles, the Napa Gold still works well and no need for premium filters? The proof would be pulling the dipstick and see if it cleaner at the same amount of miles.
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