Zinc additives are fairly common in oil, especially when treating a classic or high milage engine, but what does the additive ...

Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.

An oil change is a great starter task for anyone learning about car maintenance, but picking the right oil to is just as ...

Over the years, however, engines and emissions standards ... you're probably going to want to throw some zinc additive into your crankcase every oil change. In the pre-roller tappet cam days ...

Additives in the oil were used to neutralize ... the American Petroleum Institute (API) introduced a split diesel engine oil classification to address the diverging needs of engines stemming ...

Since diesel engines are larger on average and create more gunk in general operation, their oil has a greater concentration of the relevant additives to prevent issues. Another difference is how ...