Last month I discussed how oil doesn’t wear out but needs changing only because it becomes too contaminated to do its job. Changing oil at an arbitrary mileage points to only two scenarios, both bad: ...

Whether you're running the Dusy Trail, the Rubicon, Moab's Hell's Revenge, or maybe just cruising a Colorado backroad over Pearl Pass, there is one thing that keeps you from walking: Oil. We all know ...

An oily wise man once said, “There’s no such thing as engine oil that’s too clean.” This is probably true but needs to be viewed in context, which the OEMs do. In cost-effective fashion, engine ...