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.



Going to Sturgis? Try These Motorcycle Riding Tips.

Motorcycles riding to Sturgis

For those taking their inaugural ride to Sturgis this year, we’ve got some motorcycle riding tips to help make your first rally a success.



Use the Best Diesel Fuel Additives

Diesel truck

Adequate diesel fuel lubricity is essential for protecting the highly engineered components in modern diesel engines. Be sure to keep your engine running strong with the best diesel fuel additives.



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.



What’s the Best Motor Oil for High Heat?

High heat motor oil

Heat can create harmful engine deposits and sludge if your oil isn’t up to the challenge. Here’s why you need to use a premium motor oil to combat heat.



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.



Break-In Oil: What is it and When Do I Use it?

Break in oil

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.



What Does Horsepower Mean?

Challenger burnout

One horsepower equals 33,000 ft·lbf/min (about 745 watts). We explain what it all means – and its connection to the London beer-making industry – here.



A Beginner’s Guide to Motor Oil: What You Need to Know

Pulling oil dipstick

Motor oil seems simple. You pour it in your engine and drive away. But motor oil is far more complex…and important. Here’s what you need to know.



ILSAC GF-6, API SP & dexos: Making Sense of New Oil Specifications

Oil dipstick

AMSOIL synthetic motor oils meet or exceed the latest performance specifications, including GM dexos1 Gen 2, ILSAC GF-6 and API SP.