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 the Golden Age of American Muscle had been a monarchy, the Dodge Charger and Plymouth Hemi 'Cuda would most certainly be perched upon the thrones, with the Challenger, Coronet, and GTX filling out ...