Oil changes with synthetic

jerem0621 wrote:

mosseater wrote:
Many years ago, when Hector was still a pup, and folks still believed in silly things like objectivity, Consumer Reports did a pretty thorough test with NY city taxi cabs and oil changes. Sythetic was still a niche market then, but after running taxis for 100K miles on almost all readily available oil brands, they tore them down to inspect and measure. The conclusion was, as long as the oil was changed at the then-standard 3000 miles, it didn't matter if it was mobile one or PepBoys reclaimed oil. Their conclusion was to make sure you changed it. Take that info for what you paid for it.
That said, two things to keep in mind: Your truck may have an "extreme duty" PM schedule because you tow or haul (Ford dealer service manager told me even if you tow occasionally). Point two...I have zero doubt oil now is better than its ever been, so I have confidence that it's lubrication capabilities are up to the 5 or 10K mile task. But....that black stuff in oil, that makes it black? That's dirt. It aint food coloring. Contaminants are so named because they aren't supposed to be there. I have historically changed mine in my former sig pic F 150 because I ran the dog pee out of it when towing. It never went past 4000 miles without a change. For the cost of Motorcraft synthetic blend and a new filter, I'll eat the minimal cost difference to keep sleeping soundly at night with the new truck as well. When my odometer in my 7.3 gas engine in my new F-250 hits about 4000 miles, I'll be crawling under it again with my drain pan. Thats my 4 cents. Y'all can do as you wish. The cost of one oil change per year wouldn't make most of us even blink. I'd love to be in that club.

I Will be doing he exact same with my brand new 2022 Chevy. It's a turbo truck and I will be changing he oil at 4,000 mile intervals or when the OLM hit's 50%, whichever is first.

Oil is cheap, engine work is NOT.

Thanks!

Jeremiah

I've run one duramax 250K miles following the oil life indicator and still only uses 1/2 qt in 10K miles, and I've run 4 other vehicles over the 200K mile mark following mfg recomended oil and change schedule and again, non more than 1/2 qt between changes and Blackstone lab reports always has come back with high TBN and excellent condition on the oil. Change every 4K if you want but all your doing is paying extra $ to the oil companies.