According to an industry survey, U.S. bikers value engine protection and quality above all else. Over 80 percent of survey respondents rate engine protection and quality as important or very important when selecting motorcycle oil. Viscosity grade and motorcycle-specific formulations […]

Diesel Fuel Additives Latest Technology

The AMSOIL diesel fuel additive line boasts several improvements, with AMSOIL Diesel Injector Clean (ADF) and AMSOIL Diesel Injector Clean + Cold Flow (DFC) featuring new formulations designed to clean both the tough to-remove deposits surfacing in modern high-pressure common-rail […]

Solving the Challenges of Flat-Tappet Cams in Classic Car Engines

Summer belongs to classic cars and hot rods. It’s the season when thousands visit car shows across North America and loyalists of every make and model cruise the streets to show off their rides. One of the big concerns among […]

Chemical Company Saves Money With AMSOIL Metal Protector (AMP)

AMSOIL Metal Protector (AMP) is saving a water treatment chemical company in Texas a lot of money. Global Water Treatment Chemicals, Inc. in Weatherford, Texas is a manufacturer and distributor of water-treatment chemicals for the United States and international markets. […]

Combat The Effects Of Cold Temperatures With AMSOIL Synthetic Lubricants

Vehicle maintenance is an important part of preparing for winter months. Extreme winter weather can make breakdowns especially dangerous and most people aren’t aware of the effect cold weather has on conventional lubricants. Oil’s cold-temperature performance refers to its ability […]

Manufacturer Installs Only AMSOIL

A California manufacturer of steering and suspension parts installs AMSOIL synthetic greases exclusively in its Diamond Series specialty parts. RARE PARTS INC. of Stockton, Calif. was the vision of Lyle Burgess, who began operating a wheel alignment service in 1957. […]

AMSOIL Signature Series Synthetic Motor Oil Outperforms Competition In New Study

Nine synthetic motor oils were compared to AMSOIL Signature Series 5W-30 Synthetic Motor Oil (ASL). When it was all said and done, Signature Series demonstrated the best overall performance and cost-effectiveness. Since AMSOIL introduced the first synthetic motor oil to […]

Ride Hard, Run Cool, It’s Not Just A Slogan

Protection against extreme heat is of the utmost importance in motorcycle applications. The air-cooled V-twin engines used in Harley-Davidson motorcycles can get extremely hot, particularly when idling or traveling at low speeds. If a motorcycle oil cannot withstand hot operating […]


Original Equipment Manufacturers (OEM) often suggest in owner’s manuals, advertisements or through dealership personnel that enthusiasts must use the OEM-branded oil to comply with the new vehicle or equipment warranty. Some OEM’s include warnings of catastrophic engine failure should anon-OEM […]

NOACK Volatility Test is a Critical Measurement of Motor Oil Quality

AMSOIL was the first motor oil company in North America to use the NOACK volatility test to measure motor oil quality and performance. Although competing motor oil companies initially paid no attention to NOACK results, the test has since become […]