This guide explains how engine oil color and texture serve as vital indicators of a vehicle's internal health and maintenance needs.

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.

It's been a tough year for GM's half-ton trucks and full-size SUVs equipped with the L87 small-block V-8. Amid an ongoing federal investigation into the 6.2-liter's potential catastrophic failure, the ...

Castor oil comes from castor beans and has been used for many years in home-brewed remedies in holistic medicine. Experienced gardeners around the world, however, have also long used castor oil in ...

The 6.2-liter V8 engine recall saga is far from being over and no real solution appears to be on the horizon. GM recalls nearly 600,000 trucks and SUVs for potential L87 engine failures. Dealers ...