The 100% synthetic motor oil is designed to provide engine protection for increasingly demanding modern engines.

AMSOIL has launched a new formulation of its top-tier Signature Series Synthetic Motor Oil. Built upon a solid foundation of ...

The Amsoil/Mopar Muscle Engine Challenge is one of our favorite events to cover here at Mopar Muscle because each year it gives us the opportunity to highlight the performance of a great Chrysler ...

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 ...

During the 2011 AMSOIL Mopar Muscle Engine Challenge T&Bz Race Engines Tom and Brenda Foley are up first with their wedge-based 426.

2011 AMSOIL Mopar Muscle Engine Challenge Mid-America Racing Engines Dave Bruns from Mid-America Race Engines bolts his 383 stroker to the dyno for its turn during the 2011 AMSOIL Mopar Muscle Engine ...

Banks Power locked a 2024 Ram HD in a cold chamber to see how well it could handle the frigid temps.