Drivers who routinely get their oil changed in a garage may know their formula is rated either 5W or 10W, but everything after that could get tricky. So when it comes to understanding 0W-20 motor oil, ...
Over the past 40-plus years, I have changed the oil in more engines than I can begin to count. If you're about to change the oil in your car yourself, consult the owner's manual that came with your ...