Using a lighter winter oil weight when the temperature drops can improve cold starts and maximize wear protection at startup.

Check out this post for directions on how to use a torque wrench.

An internal-combustion engine works by converting fuel and air into mechanical energy.

Review our winter driving tips to ensure you're ready for whatever winter throws at you.

This comparative viscosity chart can help determine if two or more lubricants have similar viscosities.

Electric cars are merging onto our roads, but petrol-power is here to stay.

Oil-change centers and municipal recycling centers often provide used oil disposal at no charge.

You've probably noticed gas mileage drops in winter. Here's how you can get the best gas mileage in winter.

Synthetic blends and semi-synthetics both use a combination of conventional and synthetic base oils.

Modern diesel engines in proper working order should not produce black smoke under most conditions.

The primary differences are their viscosities when cold and once your engine has reached operating temperature.

Gary Smith hopes to hit 1 million miles (1.6 million km).

A dirty carburetor, bad gasoline and low-quality two-stroke oil that creates deposits all contribute to chainsaw starting problems.

If investigating how to clean fuel injectors, consider using a proven additive before spending money on expensive mechanical services.

Synthetics are a better choice when looking for a winter motor oil. They remain fluid in cold weather to ease cold starts and improve wear p

The 2022 AMSOIL Championship Snocross season features eight race weekends at venues around the Midwest. Check out the schedule here.

Using a high-zinc oil with a high dose of ZDDP additives helps protect classic car and hot rod engines. AMSOIL Z-ROD® Synthetic Oil contains

Today’s vehicles produce more power and torque than ever. So, what’s the best differential fluid for protecting against wear and deposits?

Most small-engine problems come down to a dirty fuel system or improper storage. Take these steps to avoid these common issues.

GM dexos1 Gen 3 is designed to address the challenges of smaller, higher-powered engines. AMSOIL synthetic motor oils already outperform it.