1951 Chevrolet 3100 Pickup — Professional Restomod Build with GM ZZ-3 Crate Engine Why This Car Is Special The 1951 Chevrolet 3100 pickup sits at the center of what collectors and builders have chased for decades. Chevrolet introduced the redesigned Advance-Design truck series in 1947, and by 1951 it had matured into one of the most produced and widely recognized light-duty trucks in American history. The 3100 designation identified the half-ton variant, and it outsold nearly everything else in its class throughout that era.

The cab-over-hood styling, the five-bar horizontal chrome grille, and the wide, rounded fenders gave these trucks a presence that holds up more than seventy years later. What you have here is not a trailer queen or a parts-swapped weekend project. This is a documented professional restomod with over $85,000 invested in the build, executed by a professional restoration shop from the ground up.

Every major system has been replaced or upgraded, and the choices made throughout this build reflect the kind of judgment that comes from building trucks to be driven, not just displayed. Features List GM ZZ-3 small block crate engine Stainless headers with 2.5-inch mandrel-bent dual exhaust Chrome air cleaner Aluminum radiator Mustang II power rack-and-pinion steering 12-bolt rear end sourced from a late-model Chevelle LOKAR floor shifter American AutoWire complete wiring harness Classic Instruments gauge cluster LED dash indicator lights HID headlights LED tail lights Rain gear wiper system Dynomat sound deadening throughout Resto Sound stereo system Full custom vinyl interior by M&M Interiors Tan and black two-tone interior treatment All new tinted glass All new stainless trim All stainless hex-head fasteners throughout Steel smoothie wheels LMC bed kit LMC tailgate and rear filler panel LMC let-down spare tire kit LMC relocated gas tank and relocation kit Chrome grille Chrome front and rear bumpers Matte blue exterior finish Low miles since completion of build Mechanical The engine in this 1951 Chevrolet 3100 is a GM ZZ-3 small block crate engine, which is a factory-assembled 350 cubic inch unit that GM Performance Parts built to deliver reliable, street-ready power with a hydraulic roller camshaft and a carbureted induction setup. It produces around 345 horsepower in stock form and is designed to drop into classic GM vehicles without the fabrication headaches that come with aftermarket alternatives.

The ZZ-3 was a popular and proven choice for restomod builds precisely because it carries factory warranty support when new and is easy to service anywhere in the country. Here it breathes through stainless headers that feed into a 2.5-inch mandrel-bent dual exhaust system, which preserves flow throughout the bends rather than crimping the pipe like a conventional press-bent setup would. The chrome air cleaner tops the carb cleanly, and the aluminum radiator handles cooling more efficiently than the original copper-brass unit ever could.

The drivetrain upgrades go well beyond the engine. The rear axle is a 12-bolt unit pulled from a late-model Chevelle, which is a significant upgrade over the original 3100 rear end. The GM 12-bolt was introduced in 1965 and quickly became the preferred axle for performance and restomod applications because of its strength, its wide selection of available gear ratios, and its compatibility with modern brake components.

Steering has been converted to a Mustang II power rack-and-pinion setup, which is the industry-standard suspension and steering upgrade for trucks of this era. The Mustang II front clip is used extensively in the custom truck world because it dramatically improves turning radius, reduces steering effort, and brings the front suspension geometry into a range that works well with modern tires. The entire electrical system has been replaced with an American AutoWire harness, which eliminates the risk and frustration of aging factory wiring while providing a clea