Your ride doesn't have to be a lost cause at 150,000 miles. We're going to show you how to get 250,000-300,000 miles by doing nothing more than using the right lubricants and changing them out on a ...

Don't let the fancy AMSOIL Engine Masters Challenge moniker fool you. Sure, the EMC is a serious high-stakes competition that many top engine builders use as a public stage to promote their mechanical ...

Amsoil Inc. of Superior announced a changing of the guard in management Tuesday, as its 91-year-old founder, Al Amatuzio, steps down from his post as president and CEO of the company. Amatuzio will ...

While engines, especially light-duty diesel engines, have become far more advanced over the years with the addition of high-pressure common-rail direct injection, sophisticated turbocharging, and ever ...

Whether you're running the Dusy Trail, the Rubicon, Moab's Hell's Revenge, or maybe just cruising a Colorado backroad over Pearl Pass, there is one thing that keeps you from walking: Oil. We all know ...