HomeAutoHunterAutoHunter Spotlight: K-Code 1966 Mustang GT Convertible

AutoHunter Spotlight: K-Code 1966 Mustang GT Convertible

The engine that turned the pony car into a muscle car


Featured on AutoHunter, the online auction platform driven by ClassicCars.com, is this 1966 Ford Mustang GT convertible powered by the High-Performance 289 engine. Like most K-code cars, shifting is handled by a four-speed manual transmission. Features include Styled Steel Wheels, GT fog lamps, dual exhausts, and front disc brakes. Finished in white and equipped with a white convertible top over a red Pony vinyl interior, this 1966 Mustang is being sold with owner’s booklets and a clear title.

The top engine for the Mustang through 1966 was the 271-horsepower High-Performance 289, otherwise known as “K-code” due to the fifth character of the VIN that signified this engine. It was available on all Mustang body styles and those with or without the GT package. Approximately 5,469 Mustangs were built with this engine in 1966.

The exterior of this 1966 Mustang GT was changed from Vintage Burgundy (code X) to Wimbledon White under prior ownership, and is said to be in good condition. Features include the GT rocker stripes, driver-side mirror, antenna, and rear GT valence panel with dual-trumpet exhaust system.

Styled Steel 14-inch wheels are wrapped in redline bias-ply tires.

The cabin was originally configured with black vinyl upholstery (code 66) but now features a red Pony interior with front bucket seats. Features include a woodgrain steering wheel, wooden shift knob, and vinyl trunk mat.

Instrumentation includes a 140-mph speedometer flanked by gauges for the fuel level, oil pressure, voltage, and coolant temperature. The five-digit mechanical odometer reads 81,450 miles.

The reportedly original K-code High-Performance 289cid V8 is paired with a four-speed manual transmission. Output was 271 horsepower when new.

Stopping is performed by front discs and rear drums. A dual exhaust system exists to the rear.

The auction for this 1966 Ford Mustang GT convertible with the High-Performance 289 V8 ends Friday, September 8, 2023, at 12:00 p.m. (PDT)

Visit the AutoHunter listing for more information and photo gallery

Diego Rosenberg
Diego Rosenberg
Lead Writer Diego Rosenberg is a native of Wilmington, Delaware and Princeton, New Jersey, giving him plenty of exposure to the charms of Carlisle and Englishtown. Though his first love is Citroen, he fell for muscle cars after being seduced by 1950s finned flyers—in fact, he’s written two books on American muscle. But please don’t think there is a strong American bias because foreign weirdness is never far from his heart. With a penchant for underground music from the 1960-70s, Diego and his family reside in the Southwest.



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