The 1973 Chevrolet C10 Pickup represents the dawn of the Square Body era. This specific model, appearing at the Houston 2026 auction, bridges the gap between vintage charm and modern performance. It features a striking red exterior that has undergone a professional two-stage paint correction. Beneath that classic skin lies a powertrain designed for contemporary road conditions and high-speed reliability. Finding a balance between original aesthetics and modern drivability is rare in the classic truck market. This build achieves that harmony through meticulous engineering and high-quality components throughout the chassis.
Advanced LS3 Performance and Tuning
The heart of this 1973 Chevrolet C10 Pickup is a 6.2L GM Performance LS3 V-8 crate engine. It produces a documented 525 HP, giving this vintage truck modern supercar-level acceleration. A Stage 2 cam and Beehive springs ensure the valvetrain handles the increased power with ease. Hidden Performance Tuning provided a custom 93 octane PCM tune for optimal throttle response and efficiency. Custom BRP Hotrods headers and an AEM Dryflow filter allow the engine to breathe freely. This combination delivers a smooth idle while providing immense torque whenever the driver demands it.
Refined Transmission and Drivetrain Details
A GM Performance 4L70E crate transmission manages the power delivery in this 1973 Chevrolet C10 Pickup. It utilizes custom wiring harnesses and a Lokar column shift linkage for a clean, factory-style appearance. The drivetrain includes a custom-length driveshaft paired with Spicer Long Barrel 27-spline slip yokes. Furthermore, PTFE power steering and transmission cooler lines provide superior durability against heat and pressure. These upgrades ensure that the mechanical components can withstand the 525 HP output over long distances. It is a setup built for both the local car show and the open highway.
Cabin Comfort and Modern Digital Gauges
Inside the gray interior, the driver interacts with a set of modern Dakota Digital gauges. These units provide precise data while maintaining a look that fits the era of the truck. The air conditioning system features an R134 retrofit with a Sanden compressor and custom lines. This allows the 1973 Chevrolet C10 Pickup to utilize stock controls for modern cooling performance. New three-point seatbelts have been retrofitted to enhance safety during every journey. The interior maintains a clean, minimalist look that emphasizes quality over unnecessary modern clutter.
Exterior Finish and Structural Upgrades
The red paint on this 1973 Chevrolet C10 Pickup shines thanks to a professional ceramic coating. Preferred Auto Detailing performed the work to ensure the finish remains protected for years to come. Bumper guards and bed rails add a touch of utilitarian style to the classic silhouette. Underneath, a custom subframe and specialized mounts support the heavy-duty engine and transmission assembly. An AGM battery and an electric fan conversion with ECU control provide reliable starting and cooling. Every modification was chosen to improve the structural integrity of the aging frame.
Engine Specs and High Performance Output
The performance of this 1973 Chevrolet C10 Pickup is centered on its 6.2L LS3 V-8 engine. This powerplant generates 525 HP, supported by a 4L70E automatic transmission and a Walbro fuel pump. A drive-by-wire accelerator pedal offers precise control over the engine’s massive power band during acceleration. The cooling system is bolstered by a new evaporator core, condenser, and a modern accumulator tank. Consequently, the truck operates reliably even in the intense heat of a Texas summer. These specs transform a standard utility vehicle into a high-performance machine ready for any challenge.
Summary of the Houston 2026 Offering
This 1973 Chevrolet C10 Pickup stands out as a premier example of a modern restomod build. It combines the timeless look of the early Square Body with a potent 525 HP LS3 powertrain. The attention to detail extends from the custom PCM tuning to the ceramic-coated exterior paint. Reliability is a core focus, evidenced by the upgraded cooling, wiring, and braking systems included here. As it crosses the block on Friday, April 10th, it offers collectors a turnkey performance truck. It is a rare opportunity to own a vintage Chevy that performs like a new vehicle.
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Source: mecum.com
