When it comes to heavy-duty diesel engine oils ... “Many years ago, engine manufacturers recommended a break-in oil, which allowed the engine parts to accelerate a wear pattern break-in ...

However, many oil additives for diesel engines will also work ... even when the engine oil ages and begins to break down. Finally, REV X helps to extend the life of your engine oil.

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 ...

Looking for affordable motor oil that won’t let you down? Here are 3 cheap motor oils that deliver solid performance without ...

Chevy Silverado break-in procedure includes avoiding full-throttle starts and making hard stops. We outline all the steps in ...

Viscosity is only one aspect of a heavy duty diesel engine oil. There is a complex mixture of various performance additives, coupled with select lubricant stocks that make up the engine oil.