Skyway Classics FL
10420 Portal Crossing
Bradenton, FL 34211
1991 Chevrolet Silverado Stepside — ZZ4 350 V-8, Sniper EFI, Lowered Custom BuildWhy This Car Is SpecialThe 1991 Chevrolet Silverado occupies a specific sweet spot in truck collecting. It belongs to the GMT400 generation, which Chevrolet introduced for the 1988 model year — a platform that was more aerodynamic, more refined, and more car-like than the square-body trucks it replaced, yet still simple enough under the hood to work on without a laptop. The GMT400 has crossed over from used truck into honest collectible territory, and the stepside short-bed regular cab configuration is one of the most sought-after body styles in that generation. Stepsides were always a lower-volume offering compared to the standard fleetside bed, which makes them harder to find today in any condition, let alone one that has been this extensively customized.This particular 1991 Chevrolet Silverado goes well beyond a cosmetic refresh. The previous owner invested in a Chevrolet Performance ZZ4 350 crate engine — one of the most respected small-block builds GM ever offered through its performance parts catalog — and then paired it with a Holley Sniper EFI throttle body injection system, upgraded intake, and a performance air filter. The result is a truck that drives with modern drivability while keeping the visual character of a classic small-block under the hood. That combination is exactly what this price range attracts: a buyer who wants to drive the truck, not just display it, and who understands what it took to build something like this correctly.Features List- ZZ4 350 cubic inch V-8 crate engine- Holley Sniper throttle body fuel injection system- Upgraded performance intake manifold and high-flow air filter- Billet accessory pulley system- Dual exhaust- Automatic transmission- Lowered suspension- American Racing 5-spoke alloy wheels- Chrome front and rear bumpers- Custom stepside bed- Custom painted rear Chevrolet graphics on tailgate- Clean red repaint- Red and black custom vinyl interior- Wood grain dash trim- Grant aftermarket steering wheel- Aftermarket stereo- Air conditioning- Power steering- Power brakes- Power windows- Power locks- Regular cab, short bed configurationMechanicalStart with the engine, because that is where the money went on this build. The ZZ4 350 is a 350 cubic inch small-block V-8 that Chevrolet Performance developed as a complete crate engine package. In its standard form, the ZZ4 produced 355 horsepower and 405 lb-ft of torque — numbers that were genuinely impressive when the engine debuted and remain strong by any practical measure today. It was built around a four-bolt main block, aluminum cylinder heads with 1.94-inch intake valves, a high-lift hydraulic roller camshaft, and a compression ratio of 9.1:1. Chevrolet sold thousands of these engines through its performance parts division, and they earned a strong reputation for reliability because the core architecture was proven over decades of small-block development.On this 1991 Silverado, the ZZ4 has been fitted with a Holley Sniper EFI system in place of a traditional carburetor. The Sniper replaces the carb with a throttle body injection unit that uses closed-loop fuel management, meaning the engine adjusts fuel delivery in real time based on sensor feedback. Cold starts are crisp, fuel economy improves over a carb, and there is no choke to fidget with. For a truck that sees regular driving rather than trailer storage, it is a genuinely practical upgrade. The system retains the classic under-hood look of a single throttle body while delivering the tuning stability of modern injection.Supporting the engine is a billet pulley system, which replaces the factory stamped steel pulleys with machined aluminum units. These reduce parasitic loss, look cleaner, and are far less prone to cracking or wobbling over time. Dual exhaust exits at the rear, giving the ZZ4 the room it needs to breathe and producing a note that matc
| Year: | 1991 |
| Make: | Chevrolet |
| Model: | C/K 1500 Series |
| Mileage: | 202668 |
| Exterior Color: | Red |
| Interior Color: | Red And Black |
| Trim: | 4X2 2dr Regular Cab |
| Body: | Chassis |
| Stock: | SN3293 |
| Engine Size: | 5.7L V8 |
| Transmission: | Automatic |
| Vin: | 1GBDC14K3MZ217798 |
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