We may receive a commission on purchases made from links. If you've worked with cars for a while or have owned a few, you probably know that different vehicles use different types and classifications ...

To fully understand oil, it helps to understand what’s happening under the hood. An engine has cylinders inside – for example (and obviously), a four-cylinder engine has four of them. Each cylinder ...

Keeping a combustion-engined car in shape requires some effort. Part of that is changing the motor oil and filter on a regular basis to lubricate the moving metal components and keep the engine in ...

No experienced engine builder would intentionally bolt a cylinder head to an engine block without installing a gasket between the block and cylinder head. The gasket seals the block-deck surface to ...

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.