Rob Dahm's tuned Hurricane I6 Dodge Charger made 970 hp at the wheels on a single turbo, with the stock transmission the only ...

After more than two decades of flogging muscle motors on the dyno, Nick Panaritis thought he’d seen it all. But when a 472-cubic-inch Hemi arrived at his garage with a history as troubled as a street ...

In January 2024, John Hennessey dropped the mic on the Mopar (and muscle car) society with a monster of a news: the Dodge Challenger SRT Demon 170, the ultimate ChryCo speed machine, was to get meaner ...

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 ...

As SDPC’s Dane Arnold explained, “Our secondary goal (aside from the cam tests) was to get tangible results on performance of different superchargers operating at the maximum recommended rpm by the ...

One Mark 4 Supra, one supercharged Hemi, and a blower that keeps trying to eat itself. The fix the team came up with is ...

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!

We may receive a commission on purchases made from links. The Hemi engine has dazzled and impressed automotive enthusiasts for decades. The unique hemispherical combustion chamber (Hemi) powers many ...

In the history of American V8 engines, few have the iconic status and sheer gearhead cachet of Chrysler's 425-hp, 490 lb-ft 426 Hemi V8. But the engine's reputation stands in direct contrast to its ...

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," ...