Serious Oil Change
Back in the 60's, I used to be able to buy reclaimed oil at my local market. Since it was so cheap, I did the following: drain the old oil and fill up with the reclaimed oil. Then I drove for abo...
Forum Discussion
BTW if you think U.S. vehicle change intervals are long, look at the change interval on the same vehicles sold in Europe. Often the change interval is double or more.
And that is not always a good thing. Saab Motor scheduled their in-line 6's to a 20K interval at one time, probably a marketing tool to sell cars to those that disdain maintenance. They were getting so many engines back that they changed the interval and extended the drive train warranty out to 100K mi. It was an expensive mistake.
The goal of interval motor oil replacement is not all about replacing the "worn" oil that can add to friction but also to remove contaminants in the engine.
