Just because your oil has turned black doesn't mean it's time to change it.
While it's safe to mix synthetic and conventional oil since they're compatible, here's why it's best to avoid it.
Motor oil myths abound. Here are five of the most persistent along with our myth-busting facts.
Using a lighter winter oil weight when the temperature drops can improve cold starts and maximize wear protection at startup.
Synthetic blends and semi-synthetics both use a combination of conventional and synthetic base oils.
It's best to use the recommended viscosity, but a slightly thinner or thicker oil likely won't cause harm.
AMSOIL makes a full line of products for your hot rod or classic car to help keep it running and...
Engine oil oxidation can cause deposits, sludge and other performance problems. Synthetic motor oils offer better oxidation resistance.
Motor oil contamination is the result of chemical changes to the oil, in addition to the accumulation of dirt, fuel,...
Piston rings seal the combustion chamber, keeping combustion gases in and oil out. Properly working piston rings are vital to...