Although it's not 100% original, this 1970 Plymouth Road Runner convertible is a true one-of-one classic with a desirable V8.

Much like the GTX, the Road Runner was restricted to big-block V8 engines. However, it featured a 383-cubic-inch (6.3-liter) unit as standard, whereas the GTX came with the 440-cubic-inch (7.2-liter) ...

If not for the 426 Street Hemi, which was the dominant engine of the Golden Age of American muscle, the 440 Six Pack would ...

Come check out Dave Hakim's 1970 Plymouth six pack Road Runner featuring a 440-6bbl engine and 727 TorqueFlite transmission. Read on for more features along with photos only in Mopar Muscle Magazine ...

The legendary426 Hemi is Mopar's mightiest engine. Its racing dominance is celebrated around the world. To this day, its basic architecture is still used in the fastest, most powerful race cars on the ...

If you think about what American automobile culture was all about in the 1960s, it was obviously the muscle car. People wanted hulking, powerful engines that they could put under the hoods of their ...