The second car that I ever owned was a 2002 Chevy Silverado 2500 with a 6.6L Duramax diesel engine under the hood. It wasn't my first choice, but it was a hand-me-down from my father after my 1993 ...

Ford has supplied an SAE viscosity grade chart for the 6.7 Power Stroke engine in the photo below: ... the best oil for your Ford 6.7 Power Stroke is Motorcraft 5W-40 synthetic diesel motor oil.

To help the oil keep your engine cool, calm, collected — and clean and corrosion-free — refiners blend in various additives, which can account for as much as 25 percent of the cost of the oil.

Instead, in this circumstance, weight refers to the oil’s viscosity, which is a fluid’s resistance to flow. ... The best oil to run is what’s recommended by your vehicle’s manufacturer.

It's always recommended to use the oil viscosity recommended by your car's owner's manual. Modern car engines are tuned with a specific oil viscosity in mind, and messing with that can damage your ...

In a nutshell, here are the engines that need new oil viscosity, and those that don’t: 2019 and 2020 model years: 0W-20 (no change) 2021 to 2024 model years with non-replaced engines that passed ...

Consult a viscosity chart to be sure that the oil you use will flow properly under extreme conditions. ... the best oil for a Minnesota winter may be a 0W-20 and the best for a Florida summer 30W-50.

Click here for the oil pump test results chart. Oil Viscosity TestFor the second part of this lubrication lesson, we left the high-volume small-block pump in place and tried five different ...

Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester ...

There seems to be conflicting advice on what viscosity engine oil to use in the one-owner 2000 Toyota Corolla Hatch AE 112R we recently bought, which has done 130,000 easy kilometres and runs smoothly ...