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 ...

March 14, 2009 – We get a lot of press releases and most of them go directly to the bitslag bucket, but this one seems interesting, so take a look and let us know what you think. UPDATE: New Test: ...

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 ...

Let's face it, most engine additives don't really improve performances. If you want to try one that does, here's what you ...

Analyzing the oil in your vehicle is like sending your blood to the lab for tests. An engine oil analysis can provide clues about the health of your engine – without any invasive surgery. By analyzing ...

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 ...

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 ...

Given all the options for motor oil options out there, choosing the right oil for your car might seem like a daunting task. While there is a mountain of information about the various oil choices, the ...