OAKESDALE, Wash. — Kellan DeMeerleer, a freshman at Oakesdale High School in southeastern Washington, is a finalist at the upcoming national FFA convention. DeMeerleer’s project, a comparison of ...
Engine oil color reveals its age, contamination level, and operating condition. Fresh oil is amber or light brown. Oil darkened to black but still translucent after a few thousand miles is normal.
A quart of fully synthetic motor oil is typically under $10, yet it can be all that stands between you and having to pay thousands for a new engine. To help prevent this, of course, oil companies ...