Snake oil. Mouse milk. Whiffle dust. Take your pick — few products have earned such unflattering sobriquets as aftermarket motor-oil additives. And for the very good reason that these promised ...

SAE Transactions, Vol. 106, Section 4: JOURNAL OF FUELS AND LUBRICANTS (1997), pp. 1298-1305 (8 pages) The Ball Rust Test (BRT), a corrosion bench test developed for evaluating the rust preventing ...

From the time the Environmental Protection Agency proposed that ultra-low sulfur diesel (ULSD) be run in all on-highway diesel vehicles to when it was fully implemented in late 2006, there has been ...

Q: I have a couple of friends: one swears by oil additives – especially the brand Lucas – and another claims an oil additive ruined his truck engine. What is your take on oil additives? A: Some oil ...

Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

You already know how critically important regular oil changes are for your car. Without them, your car’s innermost components and systems can face serious problems — and you could wind up with costly ...

Walk into any parts store and you'll see the rows of glossy bottles promising to stop engine wear, boost fuel economy, and make your old clunker run like it just rolled out of the factory. The auto ...

If you wonder about the purpose of all the chemical additives blended into truck engine oils—especially the new PC-11 formulations coming to market this December—it helps to think about barbecue sauce ...

Oil additives play an essential role in maintaining car engine health. They provide additional lubrication, protect against wear and tear, and help remove impurities and build-up from your engine.

Dear Doctor: I own a few pre-1970 cars and have heard many stories about these older car engines having camshaft failure from the use of the wrong engine oil. Can you recommend the correct oil?