We'd all love to install a high-horsepower engine in our Mopar, and many of us do modify our engines with aftermarket parts in the quest for more power. In fact, there's never been a better time to be ...

If you ask a muscle car enthusiast to name Plymouth's most famous performance machines, most will rattle off the Hemi 'Cuda or the big-block Road Runners. But tucked away in Chrysler's 1969 lineup was ...

This custom 1967 Plymouth GTX combines vintage race car styling with carefully hidden modern performance upgrades. Originally a Belvedere, the car was transformed into a period-inspired racer built to ...

If the first muscle car era taught is anything, it’s that you can never have too many cubic inches. Need more dsiplacement? Swap in a bigger engine. Still need more? A stroker crank and bored ...

Engine development has taken thousands of small steps from the 1850s single-cylinder engine used by Carl Benz in the Patent Motorwagen to the 1,600-hp W16 in the Bugatti Chiron Super Sport. V8 engines ...