A Killer '70 Road Runner Muscle Car
by Bill Holder
High performance and low cost were Plymouth's design goals for a brand-new model in 1968. The company believed that the time was right for a factory hot rod for the youth market, and its guess was right on the money. It would have the macho name of Road Runner.
It was also a very "B Body" budget-friendly machine which made it another very important reason for purchasing. The high cost ruled out many of the muscle cars of the era.
Less money meant less chrome on the body, along with fewer options. In fact, those that intended their Road Runner for the drag strip sometimes ordered the Runner with the small hub-cap-style wheel covers and even deleted the radio.
A member of the Belvedere line, the new model came with a stock 383cid engine capable of 335 horsepower. But that was just the beginning, the awesome 426 Hemi and 440 Six-Barrel engines would become available the following model year.
Of course, the Hemi has been a legend for many years, but that triple-carbed 440 engine had adopted a cult following of its own. A significant body change had been planned for the '70 model, but that would be put off until the 1971 model year.
The 1970 440 continued to be capable of 390 horsepower when equipped with the so-called Air Grabber induction system. That interesting system provided a solid connection between the hood scoops and engine once the hood was closed. The sides of the pop-up Air Grabber door were eye-catching with evil-looking shark's teeth etched on the sides.
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