1966 Ford Mustang Boss 302 Fastback 5.0-liter Coyote Restomod Build Project

1966 Ford Mustang Boss 302 Fastback 5.0-liter Coyote Restomod Build Project

Given that, it comes as little surprise that when business mogul and car collector Chris Tawil wanted a 1966 Mustang fastback built, he knew that Detroit Speed was the right outfit for the task. “A while back Chris purchased a previous customer build that we had done, a ’69 Camaro that was originally built for Michael Manning of American Autowire,” Butts explains. “He owned that car for a few years – he really liked the style of it and was impressed by the car overall, so he reached out to us about doing a build that was specifically for him.”

The idea was to create a fastback Mustang that would able to seriously perform, but it also had to remain very streetable and not deviate too far from the car’s original iconic look. Butts says that Detroit Speed’s own ’66 Mustang test car had served as Tawil’s inspiration for the build, but after an on-track incident, the shop car was on an indefinite hiatus. “We tore it up pretty badly at an autocross, but Chris really liked that car. So he basically purchased it as a parts car, and we built him a new version starting with a different bare shell. It still has a lot of similar characteristics to the shop car, but it’s refined to a much higher degree.”

Tawil explained that he didn’t want to go overboard on the exterior mods, so Detroit Speed took a calculated approach to the aesthetic, applying subtle fender flares, flush-mounted the glass, and tucked in the bumpers to tidy things up. As you’d expect, Detroit Speed’s Aluma-Frame front suspension system replaces the stock components and a DSE Quadralink system is installed in the back, and DSE subframe connectors have also been installed to improve the Mustang’s structural rigidity. The fastback’s hunkered down stance comes courtesy of JRI double-adjustable coilovers and DSE mini tubs, the latter of which make room for the wide Forgeline three-piece wheels. Baer brakes with six-piston calipers and 14-inch discs are installed at all four corners to provide modern stopping power.

Under the hood is a 5.0-liter Coyote V8 built by Roush Yates Engines. Outfitted with custom ground cams, a GT350 intake manifold, a Holley Dominator EFI system, DSE stainless Coyote swap headers, and a custom three-inch exhaust system with Hooker VR304 mufflers, the naturally aspirated mill puts out a healthy 530 horsepower at the wheels. The power is channeled through a Bowler T-56 Magnum gearbox to a Dynotech driveshaft with a billet Sonnax yoke, and it makes its way to the pavement through a Gear FX Ford 9-inch rear end with a TrueTrac 31-spline differential and a 4.56 ring and pinion. DSE’s C6-style full floater hubs and axles are also equipped to handle the additional grunt.

As with the exterior, a number of subtle tweaks have been applied to the Mustang’s cabin to refine its look rather than reinventing it. “The whole interior is custom, but it also looks like it could have been there from the factory,” says Butts. “It’s got Cobra front seats that have been upholstered in the same stitch and insert pattern as the original Mustang seats, and the door panels also have a factory appearance to them, but they’ve been reshaped to better integrate the arm rests and give them a sleeker appearance overall.” The car also retains its factory folding rear seat, which has been narrowed to accommodate the mini tubs. Mark Mcdonald and Josh Smith handled the fabrication work on the Mustang, while Michael Neighbors and Austin Moore wrapped up the bodywork before laying down the PPG Wimbledon White paint. Jason Eads completed the electrical and tuning work on the car, incorporating items like the hand-made headlight bezels with integrated turn signals and the custom LED taillights with billet bezels seamlessly, among other details that require a trained eye to pick out.

Built by:
Detroit Speed Inc.
185 McKenzie Rd.
Mooresville, NC 28115
www.detroitspeed.com
[email protected]
704.662.3272
  / detroitspeedengineering  
  / detroitspeed  
  / detroitspeedinc  
Please visit and Subscribe to Detroit Speed YouTube channel:
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