John Baker

Recent Posts by John Baker

Do Motor Oil Additives Work?

Oil bottles on a retail shelf

Oil additives promise several enticing benefits, like improved fuel economy, reduced friction and better wear protection. Find out if you should use them.



Help Prevent Timing Chain Stretch with Good Oil

AMSOIL protects timing chain

Timing chain stretch can affect some modern turbocharged, gasoline-direct-injected (T-GDI) engines, triggering a check-engine light. Here’s what you can do.



Eight Expert Boat Maintenance Tips

Fishing on lake

Boat maintenance is key to staying on the water all season. Here are eight tips to ensure your boat keeps running strong all summer long.



Can I Mix Synthetic and Conventional Oil?

Signature Series oil change

While it’s safe to mix synthetic and conventional oil since they’re compatible, it’s not a great idea. Here’s why you shouldn’t mix oil types.



Watch: How to Use AMSOIL Power Foam®

AMSOIL Power Foam

AMSOIL Power Foam helps remove carburetor and engine deposits in two- and four-stroke engines, helping them run better. Here’s how to use it.



Four-Stroke or Two-Stroke Dirt Bike: Which is Right for Me?

Dirt bike

The two-stroke vs. four-stroke dirt bike debate has heated as two strokes continue to improve. Here’s what you need to know to choose the right bike for you.



AMSOIL Crushes Sequence IIIH Engine Test

Sequence IIIH test

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.



Is Motor Oil Made from Natural Gas Better?

Natural gas motor oil

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.



Why is My Engine Overheating?

Car overheating

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.



See How AMSOIL Performs in the Harley-Davidson® Milwaukee-Eight® Engine

AMSOIL Harley

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.