I fully understand that the vast majority of oil additives are nearly or completely worthless in modern engines. But I've noticed that most of the discussions on this say something like "no engine ...

Synthetic motor oil offers many advantages over conventional engine oil. Synthetics resist chemical degradation far better than traditional oils, and they typically have a higher viscosity index that ...

Older marine engines need lubricants that are hard to find today. What to do? Liqui Moly offers a solution with its new Marine Single-Grade SAE 30 oil for both gas and diesel engines. This classic ...

There's a whirl of special motor oils you can buy if your car has over 75,000 miles on the odometer. Which kind you need ...

Restore power and performance with Bar’s Leaks High Mileage Engine Repair Six Fixes in One Bottle for High-Mileage Engines ...

Diesel engine oil additives are popular add-on layers of protection, but many of their cornerstone benefits are already engineered into base lubricants. Brian Humphrey, OEM technical liaison for Petro ...

It's easy for the uninitiated to think that oil is oil, no matter what type of engine it's going into. After all, it's only meant to lubricate the internal components of an engine. Well, all oils ...

Some thoughts on oils used to lubricate gasoline-fueled engines: 1. The latest, “highest” API (American Petroleum Institute) rating for oil used to lubricate spark-fired engines is “SN.” The API SN ...

Exactly as it sounds, high mileage oil is oil for engines with a lot of miles more specifically, more than 75,000 miles. Engine components like the crankshaft, pistons, rod bearings, and valve seals ...