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 of engine oil. These oils are designed to lubricate an ...

When it comes to maintaining your car, few decisions are as important as the type of motor oil you use. Motor oil is the ...

While you may get away with putting generic oil into your Cummins diesel, the brand has some specific recommendations.

More torque and better fuel economy may have you ditching gas for diesel, but despite a reputation for reliability, that ...

Diesel oil, as we discussed earlier, has a lot of zinc in it! That's why some gearheads use it instead of ZDDP additive to protect the innards of their classic car's engine. The problem is ...

Oil analysis is a key preventive maintenance tool that provides ... Class 2 through Class 8 vehicles with heavy duty diesel engines used in on-road applications. When registered, this warranty ...