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The Plymouth Road Runner (or Roadrunner) is a mid-size car with a focus on performance built by Plymouth in the United States between 1968 and 1980. By 1968, some of the original muscle cars were moving away from their roots as relatively cheap, fast cars as they gained features and increased in price.
There were fewer than 3,000 units produced in 1971 (a total of 2,942), and only 30 cars were equipped with the Hemi engine, which was discontinued after this year. [5] For 1972 through 1974, any Road Runner ordered with the optional 440 was renamed Road Runner GTX and included the badging of both previous models.
The Barracuda, originally a "compact sporty car", became available with the 426 Hemi and 440 big-block engines in 1968. The GTX, Barracuda, Road Runner, Sport Fury GT, and Valiant Duster 340, were marketed by Plymouth as the 'Rapid Transit System', which was similar to Dodge's 'Scat Pack' concept.
The Chrysler B and RB engines are a series of big-block V8 gasoline engines introduced in 1958 to replace the Chrysler FirePower (first generation Hemi) engines. The B and RB engines are often referred to as "wedge" engines because they use wedge-shaped combustion chambers; this differentiates them from Chrysler's 426 Hemi big block engines that are typically referred to as "Hemi" or "426 Hemi ...
Developed specifically for NASCAR racing, the Superbird, a modified Road Runner, was Plymouth's follow-on design to the Charger Daytona fielded by sister company Dodge in the previous season. The Charger 500 version that began the 1969 season was the first American car to be designed aerodynamically using a wind tunnel and computer analysis ...
The 1968 model was available only as a two-door coupe, with two engine options, the base 335 hp (250 kW) 383 Magnum, and the 426 Hemi, rated at 425 hp (317 kW). [ 6 ] The Super Bee included a heavy-duty suspension, an optional Mopar A833 4-speed manual transmission , and high-performance tires. [ 14 ]
In 1968, the 273 was replaced by the 318 cu in (5.2 L) LA engine as the smallest V8 available, and the new 340 cu in (5.6 L) LA four-barrel was released. The 383 Super Commando engine was upgraded with the intake manifold, camshaft, and cylinder heads from the Road Runner and Super Bee , but the more restrictive exhaust manifolds specific to ...
Hurst Hemi Dodge Dart L023 (1968) Imperial Crown (1968-1973) Mercury Comet ... Plymouth Road Runner (1968-1970) Plymouth Suburban (1968-1978) Pontiac GTO (1968-1972)