Rusty ’67 Mustang transformed into dirt-slinging race car

Courtesy Ian Skelton

The recent Bicester Heritage Flywheel event, held June 17–18, is a self-described “celebration of wings, wheels, and motion for the whole family.” What better place to give a wild 1967 Ford Mustang rally car its public debut?

Commissioned by vintage events promoter HERO-ERA, the 400-hp pony car has been in development for a year at motorsport giant Prodrive. Putting its meticulous technical expertise in race-car construction to the test, the firm started with a rusting chassis and essentially rebuilt the car from the ground up, including bead blasting and reinforcing the structure. The changes were all made in anticipation of the expected stresses of events like the Peking to Paris Motor Challenge, a 37-day, 8700-mile trek across the world’s largest land mass.

Prodrive-built rally Mustang side under cover
What better way to disguise a blue Mustang fastback? Courtesy Ian Skelton

Prodrive chairman David Richards and HERO-ERA chairman Tomas de Vargas Machuca were on hand to unveil the classic Mustang to an enthusiastic crowd of hundreds.

“I am blown away by the car,” said a beaming Machuca. “I am so happy with the result.”

It’s a project, Machuca says, that nearly didn’t happen. In March 2022, he asked Richards if there were anything Prodrive could do with the Mustang, but the project seemed beyond the scope of Prodrive’s focus. These days, the firm runs Lewis Hamilton’s X44 Team in the Extreme E championship as well as development and support for Aston Martin in the FIA World Endurance Championship. But Richards came around.

“Since then, Prodrive’s enthusiasm, experience, and skill have transformed a ‘basket case’ into a historic motoring masterpiece, ready to take on the best in the desert and be the flagship vehicle on our Arrive & Drive fleet.” The Mustang is the first historic American car that Prodrive has taken on.

Prodrive-built rally Mustang front three quarter reveal
The Mustang with (left to right) HERO chairman Tomas de Vargas Machuca, Prodrive chairman David Richards, former F1 racer Jackie Oliver, and Prodrive senior engineer Richard Thompson. Courtesy Ian Skelton

To cope with long-distance events like Paris to Peking, in addition to chassis reinforcements, the Mustang’s suspension was carefully crafted to handle the worst that deserts, mountains, and forests could throw at it. The Windsor 302, a 5.4-liter V-8, has been massaged to deliver 400 hp all while operating for long periods at high revs. It has been paired with a Tremec five-speed gearbox that puts power to the rear wheels through a nine-inch limited-slip differential.

Prodrive-built rally Mustang side view
Courtesy Ian Skelton

Underbody protection runs the length of the car, protecting the driveline and shielding the 70-gallon fuel tank, which will give the Mustang a 400-mile range. The car’s final specs conform to a mix of FIA Appendix K, Motorsport UK, and HERO-ERA technical regulations.

“This project started life a long time ago as a casual conversation with Tomas about my wife Karen’s interest in taking part in the Peking to Paris Motor Challenge,” Richards said. “The Ford Mustang was a significant departure from our usual projects, but we have utilized all our rally experience, and the result is testament to everyone who worked on the car at Prodrive.”

With more than four highly successful decades in motorsport, including several World Rally titles to its credit, Prodrive was uniquely poised to deliver on a car of this Mustang’s caliber.

“We loved every minute of getting into the DNA of a mid-’60s U.S. muscle car,” said Richard Thompson, senior engineer and general manager of Prodrive Legends, which provides technical support and resources for owners of ex-Prodrive works cars of the past. “HERO-ERA has created a superb platform of competition, adventure, and camaraderie that is missing in modern-day WRC events, and for that reason, we are all excited to accompany the car on these challenges.”

Following the unveiling, the Mustang joined the Club Des Autos Tour for a gentle shake-down run to France. Further testing will take place before the car’s first big test at the Badawi Trial in the Middle East. The 4660-mile event starts in Jordan on October 10 and traverses Saudi Arabia, Oman, and the UAE before its conclusion 16 days later.

Prodrive-built rally Mustang front
Courtesy Ian Skelton

 

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Comments

    Wish there’d been some “before” pictures so we could see the rust bucket they started with, but the car looks good as finished product.

    Agree 100% with Dub6.

    For example, the California based car magazine media (what’s left of that…) is notorious for calling things rusty and “parts car” that is significantly better than the things we try to restore in the Northeast where brine mixture is king of winter road maintenance.

    One of the 69 Mustangs for sale in my area right now is advertised as “useable roof and top of cowl”. Another is “attached to frame table with all panels screwed in place” –that one has new quarters, rockers, floor etc. and the ad says they have doors, front clip, etc.

    I guess it’s more original than a reproduction body…

    Anyways, I suspect the feature vehicle wasn’t that bad.

    I also wish we got the before pictures to see how far it has gone. I’m glad it didn’t become an EV conversion car.

    The title says “dirt slinger” but no pictures or even any references as to when or where. Just hype to get your attention.

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