While there are other nuances to motor oil classifications that need to be understood before changing or topping off the oil in your car's engine, one of the first things to address is the viscosity, ...

Petro-Canada Lubricants, an HF Sinclair brand, announced that its Duron Advanced 5W-30 FA-4 heavy-duty engine oil has been approved for Volvo VDS-5 and Mack EOS-5. The approval follows extended field ...

Motor oil myths are more than harmless garage folklore. When drivers follow bad advice about oil changes, viscosity, or ...

I’m sure this has been asked many times, but I was thinking about oil viscosity recommendations vs. what’s really best for your car. In the old days, which for me are the 1970s and cars from the 1960s ...