BaT Auction: Ringbrothers 1967 Ford Mustang Fastback

This 1967 Ford Mustang Fastback was built by Ringbrothers, who gave it the nickname “Copperback.” It was returned to Ringbrothers four years ago for additional upgrades, and was acquired by the selling dealer in May 2020. The car is finished in Copper Burnt Orange Metallic with unique touches including carbon fiber panels, ground effects, and billet accents, and a custom brown and black leather interior was fitted four years ago. Power is provided by a fuel-injected Roush Performance 427ci V8 paired with a Tremec five-speed manual transmission, and the chassis features Ridetech adjustable coilovers, Baer four-wheel disc brakes, a Currie Ford 9” limited-slip rear end, and more as outlined below. This Ringbrothers Mustang is now offered by the selling dealer in Massachusetts with an information binder, a custom car cover, and a clean California title using an Arizona state-assigned VIN.

During the initial 2007 project, the car was disassembled and sent out for media blasting after being chosen for the Ringbrothers build. The body was customized with shaved drip rails and door handles and a raised dorsal line along the length of the car. Custom carbon fiber hood and trunk panels were fabricated by Gemini Technology Systems, who also provided molds for the lower valence. The lower side scoops were reshaped with a deeper profile, the bumpers were shortened, and custom steel ground effects panels were added. The concave taillight panel was replaced with a flat panel and overlaid with carbon fiber, and openings were added for the exhaust exits.

The body is finished in Glasurit Copper Burnt Orange Metallic, with dark gray on the hood, air dam, side skirts, and rear spoiler. New tinted glass was installed during the build, and the trim around the windshield, rear glass, and side vents was blacked out. Machined billet aluminum accents include the hood and cowl vents, sail panel vent inserts, teardrop hood pin bezels, and front brake ducts, along with the black billet gas cap, side grille air intakes, and taillight surrounds. Closeups showing areas of imperfection in the finish are provided in the photo gallery below.

The three-piece 19” iForged wheels feature black powdercoated centers. They measure 8” wide up front and 11” wide out back and wear Michelin Pilot Sport tires measuring 255/30 and 305/30 respectively. The braking system utilizes two-piece slotted and drilled rotors with a 15” diameter up front and a 14” diameter out back, as well as Baer 6S monoblock calipers and ceramic brake pads.

The interior was re-trimmed in custom upholstery by Steve Pearson of Upholstery Unlimited as part of upgrades carried out during the car’s return to Ringbrothers about four years ago. Brown and black leather covers custom-molded bucket seats that are fitted with Schroth four-point harnesses. Matching two-tone leather covers the dash, door panels, and Momo steering wheel. The rear deck features leather-wrapped roll hoops, leather side trim, and custom-patterned carpeting, which also covers the lower console, footwells, and trunk area. The headliner, sun visors, and pillars are covered with soft black upholstery, and the floors are protected by carpeted mats. Custom carbon fiber and aluminum accents are positioned throughout the cabin, including door sills that illuminate the word “Copperback” in red.

Classic Instruments gauges include a 200-mph speedometer and a 10k-rpm tachometer. The six-digit odometer shows the 150 miles. Additional features include an aluminum shift lever with a custom knob, Ford GT toggle switches on the console, push-button starting, power windows, a tilt steering column, Momo pedals, and under-dash door release levers. A custom surround-sound system comprises a Kenwood head unit and Rockford Fosgate acoustic components. A driving video provided by the seller can be seen above.

The Roush Performance 427ci V8 features a Dart Iron Eagle block topped with aluminum cylinder heads, an electronic fuel injection system with individual throttle bodies, and ceramic-coated Magnaflow exhaust headers leading to a heat shield-wrapped 3” exhaust system with SpinTech mufflers. The Tremec five-speed manual transmission sends power to the rear wheels through a Currie Ford 9” limited-slip rear end with a 3.55:1 gear ratio. Cooling is handled by a custom radiator and fan. Service performed by the selling dealer in June 2020 included fitting new spark plugs and replacing the fuel pump relay and differential pinion seal. Other various adjustments and repairs are outlined in an invoice viewable in the gallery.

The suspension system features a Chris Alston’s Chassisworks Total Control front setup with rear-mounted steering along with a triangulated four-link rear unit. Subframe connectors are fitted and include a bolt-in center support brace that has been painted to match the body. Ridetech adjustable coilovers are utilized all around. The side and rear floor panels were replaced with aluminum, and the rear was mini-tubbed to accommodate the wider wheels. A custom panel covers part of the fuel tank and incorporates a power cut-off switch and battery charging posts. An overview video is attached below.

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