Once Lost, 1970 Plymouth Road Runner 440+6 Ad Car Lives Again

Jody Only
June 19, 2026

More than a half-century ago, a Lemon Twist Yellow 1970 Plymouth Road Runner was photographed to promote the nameplate’s model year refresh. A semi-aerial shot of the front passenger’s side of the car was overshadowed by a massive Road Runner neck and head that protruded from the Air Grabber hood. 

This Chrysler Corp. campaign depicted the giant bust of the animated Warner Bros. bird towering over the car, as it sat parked on desolate terrain. The image captured the spirit of the cartoon Road Runner itself — kicking into high-gear on the desert landscape to escape the chase and leave Wile E. Coyote in the dust.

No one marketed its muscle cars more radically than Plymouth and Dodge, though Doctor Oldsmobile was pretty far out there, too. (Photo by Jody Only)

The iconic “beep-beep” bird is synonymous with hot pursuit, high-performance, and top speed.

The exaggerated visual put Plymouth’s Road Runner power front and center, creating one of those advertisements that permanently lodges itself in a muscle car enthusiast’s mind. 

(Photos by Jody Only)

Fifty years later, that memory-etcher ad is what makes happening upon the actual ad car in the wild (or at a show) hit differently. It feels like a memory come to life. 

The owner, naturally, had to recreate the giant Road Runner head and neck coming out of the Air Grabber hood scoop. (Photo by Jody Only)

Historic Road Runner Sighting

Fast-forward to 2003 and the actual 1970 Road Runner from the vintage ad was unearthed. Fittingly, the car surfaced amid the type of southwestern badlands that served as the backdrop for Road Runner and Wile E. Coyote pursuits. It was discovered on a Navajo Nation reservation in Arizona.

The fender tag tells the story of this Beeper. Couple of cool options are the remote outside mirror and eight-track tape player. Mid-size Plymouth still had exposed metal on the top the doors. (Photos by Jody Only)

It wasn’t pristine, it wasn’t pretty, and it wasn’t even yellow any longer; but in the end it was the original. After much research, original build sheets, and an odd line from the fender tag that read “Job 183 Advertising”, authenticity was confirmed.

Bucket seats and console were among the extras. We like the white interior. (Photos by Jody Only).

Lost Muscle Car Found

A muscle car hunter since the late-’80s, Neil Anderson of Gilbert, Arizona, was offered the car. It was portrayed as a random ’70 Plymouth Road Runner 440 Six-Barrel. On a trek with more than a full day’s travel, he returned with the Road Runner in tow, without knowing what he had actually stumbled upon.

In 1968, Plymouth’s designers fought the idea of a cartoon character emblazoned on their brilliant new design. (They compromised. The Road Runner was stationary on the car that year.) A smash hit, two years later the bird was running full speed ahead, leaving a trail of dust in its wake. (Photos by Jody Only)

As Anderson dug into the Road Runner’s history, its past life in Chrysler’s memorable ad campaign began to emerge. The tear down soon hinted at more surprises. It was then revealed that the Limelight Green B-body paint that Anderson’s Road Runner wore was likely due to this same car being used in another manufacturer promotion — the 1970 Road Runner television commercial. 

Paint was stripped, sheetmetal was reworked and before long the Road Runner again wore its Lemon Twist Yellow finish (Mopar paint code FY1). Chrome, badging and details down to the stripe placement and Road Runner “Dust Trail” were all included.

(Photo by Jody Only)

A date-code-correct, 440 cubic-inch (that’s 7.2-liters for you youngsters out there) V8 and a 727 TorqueFlite transmission were sourced and rebuilt. The RB engine was mounted by three Holley 2300 carbs. The combination recreated the coveted original 440+6. The legendary big-block, six-barrel configuration was factory-rated at 390 horsepower and 490 lb-ft of torque, enough to propel it to a 13.65 at 104.04 in a December 1969 Super Stock & Drag Illustrated road test. 

Top to bottom, the interior was recrafted to meet the original. The white upholstery, including high-bucket backs and door panels, were replaced, gauges were recalibrated, and a woodgrain steering wheel with Road Runner’s signature call was re-installed. Road Runner graphics were emblazoned throughout, just as they once were.

The Road Runner head from the ‘70s advertisement was also recreated and crafted to once again nest within the Air Grabber hood.

(Photo by Jody Only)

Approximately five years have passed since the resto was completed, yet the visual impact remains the same. The ad car truly takes an observer back to the full page, glossy announcement of the ‘70s magazine advertisement. 

This year, Anderson rolled the ’70s classic — big bird in place — into the 2026 Goodguys in Northern California, grabbing the Muscle Car Pick of the event. 

(Photo by Jody Only)

Lost for decades, repainted, and nearly forgotten, the 1970 Road Runner advertising car survived long enough to tell its story again. More than 50 years later, after helping sell Plymouth performance, the giant bird still rises from the Air Grabber hood.