Merging the iconic tailfins of the fifties with the brute force of a modern supercar is a task few shops can pull off successfully. This 1957 Pontiac Chieftain Catalina two-door hardtop proves that Classic Car Garage in Michigan belongs at the top of that list. Completed in 2013, the car underwent a radical transformation that replaced its heavy original frame with a performance-oriented C6 Corvette chassis.
A Masterpiece of Structural Engineering
The foundation of this build required significant ingenuity, as the sourced C6 Corvette chassis had to be elongated by approximately 16 inches to fit the Pontiac’s proportions. This modification allows the car to retain its majestic length while benefiting from modern independent suspension at all four corners. Viking adjustable coilovers ensure the ride height is perfect and the handling remains surprisingly sharp for a vehicle of this scale.
Modern Grip and Corvette DNA
The connection to the road is managed by chrome five-spoke C6-style wheels, measuring 18 inches at the front and 19 inches at the rear. These wheels are wrapped in Michelin Pilot Sport 4S tires, offering a level of grip the original factory engineers could never have imagined. Stopping power is equally impressive, utilizing Corvette-script front calipers and cross-drilled rotors to bring the massive hardtop to a halt.
Bespoke Luxury in Viper Red
The bodywork is finished in a vibrant Viper Red with contrasting white side spears that accentuate the classic lines and stylized tailfins. Inside, the cabin has been completely re-imagined with red and white leather bench seats that provide a high-contrast, premium atmosphere. Vintage Air climate control and a custom sound system with a trunk-mounted subwoofer ensure every journey is as comfortable as it is fast.
Technological Integration for the Driver
Behind the Lokar tilting steering wheel, the driver finds a blend of vintage aesthetics and modern data monitoring. Paddle shifters are mounted to the column, allowing for manual control over the sophisticated six-speed automatic gearbox. The instrument cluster features an aftermarket tachometer with a nested boost gauge, reminding the driver that this is no ordinary classic cruiser from the mid-century.
Supercharged LS9 Performance and Power
Under the custom-painted engine cover lies a supercharged 6.2-liter LS9 V8, the same legendary powerplant used in the Corvette ZR1. This engine was factory rated at a staggering 638 horsepower and 604 lb-ft of torque, providing explosive acceleration. It breathes through a ceramic-coated exhaust system with an X-pipe and MagnaFlow mufflers, producing a sophisticated but menacing supercharger whine.
Classic Car Garage Custom Summary
The 1957 Pontiac Chieftain Catalina restomod represents the ultimate fusion of American design heritage and modern racing technology. By utilizing a lengthened C6 chassis and the potent LS9 powertrain, the builders created a vehicle that is as capable on a twisty road as it is on a show field. It remains a standout example of how to modernize a classic without losing its essential 1950s soul.
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Source: bringatrailer.com
