We may see a ton of big-block Chevys around here, but nothing gets our attention faster than when a real-deal Hemi rolls into the dyno room. And no, we're not talking about one of them newfangled Hemi ...

Street Hemi Dyno Session Watch as the All-Chrysler Carlisle Nationals giveaway engine is dyno tested at Muscle Motors. The 572ci fuel-injected Hemi twists the needle to 850 HP and beyond!

Hennessey Performance has unveiled its completed Dodge Challenger SRT Demon 1700 build, delivering 1,355 rear-wheel horsepower and 1,202 lb-ft of torque—more torque at the tires than a Bugatti Chiron ...

Announced two years ago, the Challenger Demon 1700 was to make 1,700 hp and 1,400 lb-ft; the measurement "As Installed" says ...

A classic Mopar small-block proved that smart power, low weight, and real-world speed could matter more than Hemi fame.

There are many comparisons to be made against Ford's 427 engines and Chrysler's 426 Hemi. In the interest of keeping things fair, though, we'll focus on pitting the 426 against the Ford SOHC "Cammer," ...

Finding a vintage Hemi core is a challenge these days, but thanks to a partnership between Energy Manufacturing and Callies Performance Products, shiny new 426 Hemi blocks are just a phone call away.