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 ...

In today’s cost-conscious times, supplementary engine and fuel additives promise means of cutting motoring costs. We study whether or not they really deliver Words: Rob Marshall Ever since the ...

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.

Many of us try to eat right and have a well-balanced diet. We eat good foods and try to keep ourselves in good shape. Most of us benefit from taking vitamin supplements to boost certain areas of our ...

Given the chore of changing it every few months, the typical motorist realizes that engine oil degrades over time. Some will also notice the mysterious codes for the different grades—10W-40, 5W-30, ...

These cleaners, boosters and treatments are often sold alongside NGEN oils, especially in “pre-MOT” bundles and service packages for UK garages. The big question is whether they genuinely save money – ...

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 ...

Synthetic engine oil typically costs 2 to 4 times as much as conventional mineral oil, but it is definitely cheaper than an engine or a vehicle. The US military exclusively uses synthetic oil in all ...

Engine oil seems so simple. It's slippery. It keeps metal parts from fusing together. It's messy, especially when it has been squeezed, slung, and sprayed around the inside of a hot engine for ...

Every auto parts store in America has a wall of engine and transmission additives that, no matter what's actually in them, promises to fix or rebuild some component or system that needs actual, ...