The 1978 Chevrolet Corvette began a new chapter for the C3 generation with its fastback glass roofline. This example, however, represents a radical departure from factory specifications. It features a comprehensive, multi-year modification project that concluded recently. The car is now powered by a massive 8.1-liter Vortec V8 engine paired with a four-speed manual transmission. Consequently, this Corvette is far more aggressive both visually and mechanically than the original. It truly honors the C3’s performance spirit with a modern, customized approach.
Aggressive Widebody Exterior Transformation
The bodywork underwent significant modifications, transforming the classic C3 silhouette. The most notable changes are the fiberglass widebody fender flares, giving the car a much wider stance. A cowl induction hood and a revised tail panel with an integrated rear spoiler were also installed. Further cleaning up the lines, the bumperettes and front grille were removed, and the side marker lights were shaved. The car was then repainted in the striking Carbon Flash Metallic finish. L88 FIA-style fixed headlamps and dual side-exit exhaust pipes complete the track-ready aesthetic.
Chassis Upgrades and Stopping Power
The car sits on staggered 17-inch Billet Specialties wheels finished in bright chrome. These wheels wear high-performance Nitto NT05 tires, measuring 315/35 out back. To accommodate the engine, the front crossmember was notched during the build. Furthermore, a Borgeson steering box with a quick 12.7:1 ratio improves handling responsiveness. Stopping power is expertly handled by Wilwood brakes at all four corners. These feature red-finished calipers clamping slotted and cross-drilled ventilated discs.
Reupholstered Cabin and Custom Instrumentation
The interior has been fully refreshed, featuring a pair of bucket seats reupholstered in black vinyl. The seating features contrasting red centers and piping for a bespoke look. This color scheme extends to the matching, coordinated door panels. The classic factory look is replaced by modern performance gauges. A carbon-fiber rimmed steering wheel fronts a suite of AutoMeter Sport-Comp II instruments. These include a 160-mph speedometer and a 10k-rpm tachometer. A Hurst shifter centrally controls the four-speed manual gearbox.
Performance: Built 8.1-Liter Vortec V8 Engine
The original engine has been replaced by a built 8.1-liter Vortec V8, providing phenomenal power. The V8 utilizes RaceTech 10:1 compression pistons and aluminum connecting rods. It breathes through an Advanced Product Design 850-cfm carburetor atop a ported Dart Machinery intake manifold. MSD ignition components and a custom COMP Cams camshaft manage the spark and valve timing. Power is managed by a McLeod Street Extreme clutch and a robust Borg Warner T10 close-ratio four-speed manual transmission. The firewall was modified for fitment, and the car is tuned to run on 91 octane fuel.
Summary: A True Performance 1978 Chevrolet Corvette Custom
This customized 1978 Chevrolet Corvette represents an ambitious and comprehensive performance build. It successfully blends the classic C3 styling with massive modern power from the 8.1-liter Vortec V8. The widebody conversion, Carbon Flash Metallic paint, and side-exit exhausts give it an undeniable presence. Coupled with the four-speed manual transmission and Wilwood brakes, it offers a visceral driving experience. This highly modified, track-ready Corvette stands as a powerful testament to creative automotive restomodding.
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Source: bringatrailer.com
