In 1982 Ford built three Mustang GT Enduro Prototype Coupes to promote the IMSA racing Mustangs that were competing in major North American endurance events. The three GT Enduros were built to significantly out-perform the factory original Mustangs of the era, and its likely that they would have done relatively well on the race track themselves if they’d been given the opportunity.

Each of the GT Enduro Prototypes were fitted with a 302 cubic inch (5 litre) V8 equipped with forged TRW pistons, competition steel connecting rods, a TRW roller timing set and the valve train was fitted with full-roller rocker arms and a Crane hydraulic CompuCam camshaft. The exhaust benefitted from full-length headers with dual mufflers and dual ANSA resonator tips, and the engine was balanced and blueprinted by AMS in Pennsylvania.

Power was fed to the rear wheels via a BorgWarner 5-speed transmission equipped with a Ford SVO shifter and a Ford Motorsports limited slip differential. Stopped was achieved using 4-wheel power disc brakes, power steering was kept from the road car and a unique chassis stiffening kit was fitted. Suspension was improved with Koni shocks, springs and sway bars, as well as track-specific tuning.

The wheels are 3-piece forged BBS units and the front end is one-piece of custom fibreglass, giving the Mustang a unique and purposeful look – a significant improvement over the stock front end. The interior is framed with a 4-point roll bar a Ghia interior trim package, Recaro LS seats with matching rear passenger seats, Simpson racing harnesses, Stewart Warner “Stage III” instrumentation, a sunroof, a Blaupunkt 200-watt stereo system and a Racemark leather steering wheel.

The rarity of this car coupled with its good-looks and performance chops would tend to indicate that it’ll likely sell for more than its estimated $45,000 to $60,000 USD value – most muscle car fanatics I know would give a non-vital organ or two to roll this Mustang into the garage.

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Photo Credits: Ryan Merrill © 2015 Auctions America

Founder & Senior Editor Silodrome

Ben Branch has had his work featured on CNN, Popular Mechanics, the official Smithsonian Magazine, Road & Track Magazine, the official Pinterest blog, the official eBay Motors blog, BuzzFeed, and many more.

Silodrome was founded by Ben back in 2010, in the years since the site has grown to become a world leader in the alternative and vintage motoring sector, with millions of readers around the world and hundreds of thousands of followers on social media.

Published by Ben Branch -