Cobra Powered, Road-Course-Ready, Street Bruiser Cougar

- in Cars

Herb Stuart’s EFI, DOHC, 32-valve, road race Cougar is the cure for the common Mustang.

1968 Mercury Cougar hot rod owned by Herb Stuart
Legend has it that when Ford execs approached Carroll Shelby about modifying the Mustang for road-racing duty, he responded, “How can you, it’s a secretary’s car?” As the success of the GT350 soon proved, Shelby vastly underestimated the performance potential of the Falcon-based platform, as well as his own race prep know-how. However, his reservations reinforced the perception that there’s just something about early first-gen Mustangs that appeals to the ladies. This might explain why the typical macho muscle-car enthusiast is willing to pay two-to-three times as much money for a fastback model. Some sheet-metal restoration suppliers even sell conversion kits to transform coupes into fastbacks. Fortunately, there’s a far easier solution: Buy a Cougar, the Mustang’s much brawnier looking cousin. The money saved will go a long way toward building something really cool, like Herb Stuart’s fully modernized, Cobra powered, fuel-injected, road-course-ready, street bruiser.

Like his father and grandfather before him, Stuart was destined to be a Ford guy. Grandpa had a 1931 Model A coupe. Dad drove a 1969 Mustang GT500. After taking a break away from his hobby to raise a family, Stuart bought his son a 1968 Cougar for $800 as a high school graduation present. The car needed lots of attention, and the father and son team installed a new interior and suspension to get it back on the road. “My son drove it all throughout his college years and brought it back home after he graduated. One morning the Cougar dropped a valve, so we had to get him another vehicle he could take to grad school,” Stuart recalls.

1968 Mercury Cougar - Herb Stuart
The Cougar sat neglected for the next several years until Stuart decided to give it a ground-up restoration in 2000. Although he had never tackled a project of this caliber before, Stuart hails from Wisconsin and the Midwestern hot-rodding culture frowns upon hiring others to work on your car. Besides, Stuart teaches auto shop at the local high school, so he knows his way around turning wrenches and laying down welds. Sure, his go-for-broke approach may seem a bit haphazard, but there was a method behind the madness. “I bought a rotisserie and started the garage restoration without a solid plan. It was intended to be a learning experience to build upon so we could also someday restore the Model A coupe and Shelby Mustang GT500 that are still in the family,” Stuart explains.

Herb Stuart's 1968 Mercury Cougar with 1999 Mustang SVT Cobra drivetrain
The plan took shape very quickly when Stuart came across an opportunity to mend the Cougar’s engine while also earning some extra style points. “Someone dangled a 4.6-liter DOHC small-block out of a 1999 Mustang Cobra in front of my face, and I had to have it. It also came with a Tremec 5-speed manual transmission,” Stuart recalls. To make it all work, he ordered up a reprogrammed factory ECU and wiring harness from The Detail Zone, which allowed running the factory a/c system through the OE computer. Considering that he already planned on upgrading the antiquated front suspension with a Rod & Custom Motorsports Mustang II setup—a system that includes tubular control arms, coilovers and rack-and-pinion steering— the Cougar was suddenly taking on a fully modernized persona.

Consequently, Stuart applied the same Pro Touring approach throughout the rest of the car by replacing the entire leaf spring rear suspension and driveline with a RideTech 4-link system, and a Currie 9-in. rear end fitted with 31-spline axles and 4.11:1 gears. Other chassis enhancements include custom subframe connectors, a Chassisworks rollbar and a Stam-Bar rear sway bar.

1968 Mercury Cougar hot rod
With late-model EFI firepower now providing propulsion and a cutting-edge suspension upping the cornering ante, Stuart needed a way to stick it all to the pavement and bring it to a halt. For stopping power, he upgraded the brakes to a set of Wilwood 12.19-in. discs at each corner. The front calipers utilize six pistons to clamp down on the rotors with authority, while the rear calipers make do with four pistons. Although the Cougar isn’t blessed with the most accommodating wheel wells, Herb took advantage of the available real estate by installing 17 x 8-in. American Racing Torq-Thrust II wheels. They’re wrapped in Dunlop rubber measuring 245/40-17 up front and 275/40-17 in the rear.

Considering that the craftsmanship and performance of the Cougar exceeds that of many pro-built hot rods, it’s truly astounding that Stuart built the entire car in his garage. By putting the money saved in buying a Cougar over a Mustang toward high-tech engine and chassis hardware, he got himself a lot more bang for his hot-rodding buck.

Herb Stuart's 1968 Mercury Cougar interior
Obviously, do-it-yourself projects often require a large supporting cast, and Stuart thanks his wife, Johanne, as well and the many friends and family members who contributed to the project. Interestingly, the car’s title is still in the name of Stuart’s son, but he doesn’t plan on handing it over to its legal owner any time soon. “His name might be on the title, but he’s going to need to bring a big bucket of cash to get it back.”

Muscle Car of the Year - 1968 Mercury Cougar owned by Herb Stuart

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