The ZL1 badge has always carried a quiet asterisk. On paper, Chevrolet’s wildest big blocks and supercharged V8s looked ...

The 1969 Camaro ZL1 arrived with an official 430 horsepower rating, a number that already sounded outrageous for a street car ...

"Dyno verified" can mean different things, depending on which dynamometer that car was rolling atop.

Four California dynos tested the same Mustang Dark Horse and couldn't agree on what Ford's 500 hp claim means at the wheels ...

Are you ready for a junkyard engine swap for your Ford project? A Godzilla 7.3-liter V8 with a cam and intake upgrade is a ...

Despite its all-terrain rubber and EcoBoost vee-six lump, the Raptor is a bit faster, with Ford limiting the governor to 120 ...

The completed car just podiumed at its first race.

GM has announced a new solution for customers impacted by the L87 engine recall, offering a chance to swap the ...

Vince Geglia II is making sure enthusiasts can squeeze more power out of America's Sports Car without altering emissions ...