Automakers recommend using genuine OEM engine oil for a reason that goes far beyond branding. These oils are developed ...

According to Valovline, Restore & Protect motor oil has been shown to remove piston ring deposits and restore piston ring function.

It is the first motor oil proven to unstick piston rings, removing up to 100% of deposits with continuous use.

Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon particles in the fluid. Black oil is not automatically a sign of a problem ...

CCJ's 10 44 is brought to you by Chevron Delo, heavy duty diesel engine oil. Now there's even more reasons to choose Delo. An oil sample is only as good as the method used to pull it. You're watching ...

Is there a way to have your engine oil tested to see how it is holding up or if it's right for your engine? I have the cheapest company stock put in, but sometimes I notice that certain oil is more ...

A new heavy-duty engine oil specification designed to support next-generation diesel engines is nearing completion and ...

Chevron has found that its Delo 400 LE SAE 15W-40 engine oil is ready to help meet 2010 emissions standards. From pricing intelligence and compliance tools to charging infrastructure, diagnostics, ...

While everybody knows what the oil pump's job is and why it's there, few enthusiasts consider the lowly bubbler as a possible engine tuning resource. We've come to appreciate that it takes power to ...