The Sequence IIIH Test is designed to screen oils for their ability to protect modern, hot-running engines. Even after doubling the test, AMSOIL delivered.
Natural-gas-based motor oil made using gas-to-liquid (GTL) technology may be interesting, but is it inherently better than other oils? Let’s take a look.
Low coolant is one of the first things to check if your car is overheating. A bad cooling fan is another potential culprit. Here’s what else to check.
Watch how AMSOIL performs in this 2019 Harley with a Milwaukee-Eight 107 engine after 1,000 miles of extreme-heat testing on the dyno.
Buying a used boat? Here’s what to look for to ensure you don’t waste your hard-earned money buying someone else’s problems.
Many motorists are switching to synthetic motor oil for the first time. Find out everything you need to know about synthetic vs. conventional motor oil.
Lawnmower won’t start? It’s probably due to bad gas or a dirty carburetor. Here’s what to look for and what to do when your lawnmower won’t start.
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 1400 ppm zinc.
Summer-blend gas provides about 1.7 percent increased energy content, meaning it offers a slight boost in fuel economy. Here’s how else it’s different.
Break-in oil seals the piston rings to the cylinder wall for maximum power and minimum oil consumption. Here’s how it works and when to use it.