Plymouth roadrunner

Originally introduced inthe Plymouth RoadRunner defined the era of muscle.

The Plymouth Road Runner is a mid-size car with a focus on performance built by Plymouth in the United States between and By , 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. The earliest of the models were available only as 2-door pillared coupes with a B-pillar or "post" between the front and rear windows , but later in the model year, a 2-door " hardtop " model sans pillar was offered. The Road Runner of was based on the Belvedere, while the GTX was based on the Sport Satellite, a car with higher-level trim and slight differences in the grilles and taillights. The interior was spartan with a basic vinyl bench seat, lacking even carpets in early models, and few options were available — such as power steering and front disc brakes, [1] AM radio, air conditioning except with the Hemi and automatic transmission. A floor-mounted shifter for the four-speed featured only a rubber boot and no console so that a bench seat could be used. The standard engine was an exclusive "Roadrunner" cu in 6.

Plymouth roadrunner

The Plymouth Superbird is a highly modified, short-lived version of the Plymouth Road Runner with applied graphic images as well as a distinctive horn sound both referencing the popular Looney Tunes cartoon character the Road Runner. It was the factory's follow-up stock car racing design, for the season, to the Dodge Charger Daytona of , and incorporated many engineering changes and modifications both minor and major garnered from the Daytona's season in competition. The car's primary rivals were the Ford Torino Talladega and Mercury Cyclone , a direct response to the Mopar aero car. It has also been speculated that a motivating factor in the production of the car was to lure Richard Petty back to Plymouth. Superbirds equipped with the top-of-the-line cu in 7. The Charger version that began the season was the first American car to be designed aerodynamically using a wind tunnel and computer analysis, and later was modified into the Daytona version with nose and tail. The Superbird's smoothed-out body and nosecone were further refined from that of the Daytona, and the street version's retractable headlights made of fiberglass [2] added nineteen inches to the Road Runner's original length. The rear wing was mounted on tall vertical struts that put it into less disturbed air thus increasing the efficiency of the downdraft that it placed upon the car's rear axle. For nearly 30 years the mathematic formula used to determine the exact height of the enormous wing was thought to be a highly guarded Chrysler secret. In the s, a retired Chrysler project engineer incorrectly [8] claimed publicly that the height was determined in much simpler fashion: he claimed it was designed to provide clearance for the trunk lid to open freely.

Coyote finally caught up with the RoadRunner indevouring plymouth roadrunner once and for all. Standard Catalog of American Cars Plymouth put the RoadRunner on the B-body, plymouth roadrunner, placing it as part of their Intermediate line of cars.

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Get exclusive muscle car content , giveaways , and a FREE Report on 10 of the most powerful muscle cars ever made right to your inbox— absolutely free! Built on the B-Body platform, the Plymouth Road Runner was meant to be a no-frills, high thrills muscle car where the biggest thrill was what lurked under the hood. Available in three body styles: a hardtop, pillared coupe, and convertible. Engine options included the standard and optional Hemi with the mid-year introduction of the A12 Six Pack performance option. A Carter four-barrel carburetor was standard on the , while the leveled up to three Holley two-barrel carburetors. Two transmission options backed up to each of three engine offerings, including an A Torqueflite 3-speed automatic and an A 4-speed manual.

Plymouth roadrunner

Coyote-fashion, just as Plymouth's new-for-'71 Road Runner hit the ground beep-beeping. The bulging, fuselage-styled bird had all the right moves, but it couldn't outdistance the inevitable. In , the Road Runner found a fraction of the takers it had the year prior—just 14, compared to 41, in plus 1, Superbirds. Back in , Plymouth assembly line workers were probably too tired to watch Saturday morning cartoons after cranking out more than 84, of the budget brawlers. The '71 model year also marked the final run of the Street Hemi, which was installed in just 55 Road Runners. The car's swoopy new shape allowed it to remain stable on superspeedways without the aid of the Superbird's towering wing and tacked on nose.

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Toggle limited content width. In return, Road Runners with the and engines received a standard insurance rating without the costly premiums normally tacked onto muscle cars. Gran Fury Custom. By , Plymouth was putting little into the RoadRunner, as it was much less popular after the loss of performance. By the end of its…. The complete book of Dodge and Plymouth muscle. For nearly 30 years the mathematic formula used to determine the exact height of the enormous wing was thought to be a highly guarded Chrysler secret. The Grand Prix started out as a full sized rear-wheel drive coupe, riding the wave of s muscle cars but for the luxury market. The declining sales of Road Runner and other muscle cars were the results of a move by insurance companies to add surcharges for muscle car policies - making insurance premiums for high-performance vehicles a costly proposition. The special nose added 19 inches mm to the overall length the Daytona's was 18 inches or mm , and the trunk spoiler was more angled and higher than the Daytonas. Some were converted into Road Runners to move them off the sales lot. Ford Toggle child menu Expand. The earliest of the models were available only as 2-door pillared coupes with a B-pillar or "post" between the front and rear windows , but later in the model year, a 2-door " hardtop " model sans pillar was offered.

Have you heard about the Plymouth Roadrunner?

Motor vehicle. For , Plymouth dropped both the and big-block V8s, and the Super Commando dropped from the six-pack to a four-barrel option after only producing a few , making just horsepower. Type of muscle car manufactured by Plymouth. Motor vehicle. The base engine for the models had dropped down to Chrysler's workaday CID V8 but equipped with dual exhausts which bumped the power up to hp kW. All cars had a Dana 60 rear axle with a 4. The overall length was increased, but the wheelbase was shortened an inch. A set of adjustable spoilers on the rear fender's side near the gas tank filler cap helped prevent side-to-side yaw when slipstreaming in a race, with two more of them on top behind the driver, plus spoilers in the front as rock shields to reduce frontal lift. Plymouth vehicles. The carburetor was two four-barrels strapped together for an eight-pack behemoth. NASCAR's homologation requirement demanded that vehicles to be raced must be available to the general public and sold through dealerships in specific minimum numbers. This article needs additional citations for verification. Chevrolet Toggle child menu Expand.