Many of today's performance engines use some form of cylinder deactivation technology to increase fuel economy. When cylinders are deactivated, the engine uses less fuel, but simply "turning off" the ...

Following the demise of the 425-horsepower 426 HEMI V8 in 1971, Chrysler mothballed the hemispherical combustion chamber design and its awe-inspiring HEMI nameplate for over 30 years. While the second ...

We may receive a commission on purchases made from links. The 5.7-liter Hemi was the first engine of Chrysler's modern Gen III V8 family, introduced in the 2003 Ram trucks. Since then, it has been ...

In 2003, Chrysler reintroduced the legendary Hemi engine to American car buyers after a decades-long hiatus. The first of the "third generation" Hemis was the 5.7-liter, gas-powered, 90-degree, ...

In a 180-degree turn from the truck brand’s decision to discontinue the HEMI V8 in the Ram 1500, Ram is bringing the 5.7L V8 back to its best-selling truck’s options list for the 2026 model year. This ...