The Mustang wagon that never was

Ford was having no trouble selling Mustang coupes, convertibles, and fastbacks when the brawnier, restyled 1967 models hit dealerships in the fall of 1966. Nevertheless, Ford designers were still tinkering with the basic concept of what a Mustang could be. In October of that year, executives evaluated a finished fiberglass model of…a wagon.

Ford had previously reviewed and rejected potential four-door Mustang variants. The wagon concept was a two-door in the manner of the 1955–57 Chevrolet Nomad. Some might refer to the body style as a sport wagon or the “shooting brake” label derived from British hunting-car history.

But Ford was not alone, and possibly not first, when considering a more practical Mustang. Robert Cumberford, an independent designer who had worked for GM in the 1950s, hatched an idea for a Mustang wagon in cahoots with Barney Clark, an executive at Ford’s ad agency (J. Walter Thompson), and Jim Licata, a car enthusiast friend.

As Cumberford recalls, the main reason behind the wagon conversion was improved handling, but additional luggage space was a welcome bonus.

“The Mustang had a Falcon chassis with rear leaf springs. It was nose-heavy, and when you hit a bumpy road, the rear end would skip around,” Cumberford says. “We thought adding some weight in the rear would help make it better.”

The design process began with Cumberford sketching some changes to a profile drawing of a Mustang coupe.

“Using that, I could see where to cut the roof and side panel, and what needed to be new,” he says. “That took me 15–20 minutes. Altogether, working on various drawings, the complete design took less than a couple of hours.”

The drawings, along with a 1965 Mustang that Cumberford, Clark, and Licata purchased, were sent to Construzione Automobili Intermeccanica in Italy in spring 1965 for the conversion. The white Mustang was an early-build model with a 260-cubic-inch V-8 and an automatic transmission. Including the car, shipping, and conversion costs, the project totaled less than $10,000.

Cumberford, known by many today as the auto design critic for Automobile, was at the time working with Intermeccanica on the Ford-powered Griffith 600, a sports car that ultimately became the stunningly beautiful Italia. Founded by Frank Reisner, the coachbuilder had made bodies for the Buick-powered Apollo GT in the 1960s and later the Italia and its successor, the Indra. Since 1980, Intermeccanica International, headed by Reisner’s son, Henry, and now located in Vancouver, British Columbia, has been building Porsche 356 replicas.

The Cumberford Mustang wagon was originally white, but he asked Construzione Automobili Intermeccanica to give it a red paint job.
The Cumberford Mustang wagon was originally white, but he asked Construzione Automobili Intermeccanica to give it a red paint job. courtesy Intermeccanica

The plan for the Mustang wagon was to show the car to Ford in hopes that the carmaker would sanction a limited run, built with conversion kits shipped from Intermeccanica.

“It was designed for minimum disruption to the Mustang to make it producible,” Cumberford says. “The roof was cut above the door, and I kept the coupe’s side glass and window mechanisms.”

In Italy, Intermeccanica’s craftsmen fabricated a new rear roof section, a tailgate, folding rear seat, and cargo floor. Following Cumberford’s design, the rear side glass elegantly traced the Mustang’s fender contour.

The tailgate was hinged at the bottom, and the power-operated window glass lowered into it. The Mustang’s rear fuel filler was moved to the left fender, and the distinctive tri-bar taillights were cut so that the outer third remained in place when the tailgate was lowered. The build was no less thorough inside, where Cumberford specified a fold-down rear seatback to expand cargo capacity in a carpeted space.

“It looked like a Ford-made product, not a custom-built car, which was the idea,” Cumberford says.

In 1966, Clark showed the Mustang wagon to Ford after having it repainted green over Intermeccanica’s red hue. Cosmetic features from the Mustang’s GT package spiffed it up, and Koni shocks and Pirelli radials aided handling.

When Ford showed no interest in the freelance-designed Mustang wagon, Cumberford and Reisner drove it to the former Studebaker plant in South Bend, Indiana, which was busy building the Avanti II continuation model, and then on to Holman and Moody, Ford’s racing contractor in North Carolina, to gauge interest in building the car. Neither was keen on the project.

“They could have assembled kits from Italy if we could have funded them,” Cumberford says.

Was there a copycat? A California-based company was advertising a somewhat crude-looking fiberglass hardtop roof called the Hobo that turned a Mustang convertible into a quasi-wagon. Installing the $595 accessory roof required removing the trunk lid and convertible top.

Today, a Google search turns up numerous home-built Mustang wagon conversions, but the original Cumberford/Intermeccanica wagon seems to have vanished. Cumberford sold the car to a dentist in Oregon long ago. “I think each of his two sons took it to college,” he says, “but I don’t know what became of it.”

Unfortunately for Cumberford, Clark, and Licata, it was one of a kind.

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    I was fortunate to have worked with,
    not for
    Robert at an early age.
    I was responsible for the Cast Chassis of The Martinique. An amazing ride.
    Robert and his brother Jim,
    defined what working as a “TEAM” meant to me early on in my career.
    He encouraged, Don’t be afraid to question as long as you have a valid answer.
    Bunch of a lot of great stories :>)
    I have worked for many engineers and designers,
    And many with a “FOR” mentality.
    Robert is a top 5 !!!!!
    Many can critique a designer’s concept,
    But really did they try to conceive ?
    Thank you Robert !
    Mike Appel

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Looking back at Mustang’s short-lived wagon

Sport wagon versions practical


I have always thought that the Sport GT Wagon version of production-built sports cars to be very practical with lots of room for the golf clubs, a couple of suitcases for a weekend trip and sometimes they’re equipped with a small back seat with room for two small children.
I’m thinking of vehicles like the Jensen Healey GT, the Volvo P1800ES, the Aston-Martin DB series, the Scimitar GTE and the Gilbern Invader.
Last week in my article about the Shorty Ford Mustang I made reference to the Intermeccanica Mustang Wagon.
There have been conflicting reports as to exactly how many examples the then Italian-based company built. Henry Reisner, of now Vancouver-based Intermeccanica, answered my question with the reply “just one.”
The story goes like this.
Two car designers, Barney Clark and Robert Cumberford, were contacted by the world’s largest advertising agency JWT (John Walter Thompson). The agency had a very large and influential client, none other than the Ford Motor Company, and JWT asked the two designers to help them come up with a new design that would get the attention of Ford.
This was back in the mid-’60s and the Ford Mustang was the hottest car on the market at the time.
Consequently, the two thought a Mustang Wagon would do the trick, and Cumberford knew exactly who he could rely on to build such a car.
A 1965 Mustang notchback was subsequently shipped to Frank Reisner, the founder of Intermeccanica, in Turin, Italy.
The roof was extended to meet a fabricated liftgate housing the back window. The fuel filler cap and neck were relocated to the rear of the right quarter panel to accommodate the fold-down tailgate, which joined the liftgate.
Reisner came up with the ingenious idea of retaining one third of the tail-light assembly attached to the body while the remainder was attached to the tailgate.
The fixed rear seat was replaced with a functional fold-down-version and added cabin ventilation achieved through the long hinged side glass which opened slightly.
Apparently, Ford already had a couple of Mustang Wagon designs on the drawing board, and when Ford’s styling chief, Eugene Bordinat, heard and read about the outside design proposal of a similar Mustang Wagon design, all three ideas were shelved.
The history of Intermeccanica and the cars they still build is a fascinating story. The full story can be read in Andrew McCredie’s book Intermeccanica: The Story of the Prancing Bull (Available through U.K.-based Veloce Publishing

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