A 1967 Ford Mustang Custom Fastback Supercharged “Obsidian”

A 1967 Ford Mustang Custom Fastback Supercharged “Obsidian”

Commonly known as “obsidian,” this one-off custom build by Matt Couper of Autoworks International in El Cajon, California, is equipped with a Tremec TKO 600 five-speed transmission, a fuel-injected 392ci V8 with twin Rotrex superchargers and a pair of custom intercoolers.

It also features full coilover suspension, an integrated tubular box frame, a concealed four-point roll cage and a NASCASR-style full aluminum belly tub.

Custom touches are available everywhere, from the side skirts and flared fenders to the hood/suction, honeycomb grille and taillight panel, which are cut from machine-cut billet aluminum.

Custom induction/extraction hoods with rod hinges. Brembo’s four-disc slotted brakes are cooled by ducts on the flared quarterplates; Copper-style aluminum wheels wrapped in Bridgestone Potenza tyres.

Additionally, the engine and firewall have been pushed back for better 50/50 weight distribution. The dyno last tested at 847 hp with 750 ft/lb of torque; 0 to 60 times of 4 seconds.

The interior features heated Recaro seats, plush carpeting, a handcrafted color-matched dashboard and two-piece door panels.

The seat boxes have been pushed back to fit taller drivers—such as current owner Dan Gadzurik, a 6’11-inch former NBA player.

Options include everything for power, plus an Alpine audio head unit with Kicker amps, XM radio and MP3 player, iPod/Bluetooth/wireless internet capability and navigation.

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