For decades, Chevy trucks have been renowned for their hardworking capability and reliability. A big part of what makes Chevy trucks so durable and powerful is the engines under the hood. Whether you need a truck for towing, hauling, or off-road adventures, Chevy offers a range of proven truck engines to get the job done.
| Engine | Displacement | Configuration | Horsepower | Torque | Notes |
|---|---|---|---|---|---|
| Small Block V8 (350) | 5.7L (350 cu in) | V8, Pushrod | Varied over generations | Varied over generations | Classic workhorse engine |
| 5.3L V8 | 5.3L | V8, Pushrod | 355 hp | 383 lb-ft | Modern Small Block in half-ton trucks |
| 6.2L V8 | 6.2L | V8, Pushrod | 420 hp | 460 lb-ft | Available in Silverado 1500 Trail Boss |
| 6.2L EcoTec3 L86 V8 | 6.2L | V8, Overhead Valve | 420 hp | 460 lb-ft | LS-based engine, aluminum block, dual overhead cams |
| 6.6L Duramax V8 | 6.6L | V8, Turbo Diesel | 445 hp | 910 lb-ft | Heavy-duty diesel engine for towing/hauling |
The Small Block V8s
When you think of classic Chevy truck engines, the 350 cubic inch (5.7L) V8 likely comes to mind first. This Small Block V8 was the workhorse engine in Chevy trucks for many years, providing plenty of torque and horsepower to handle heavy loads. While it dates back to the 1950s, the generations of the 350 evolved over time with modern fuel injection, increased efficiency, and more power from this pushrod V8 design.
More recently, the standard V8 engine in Chevy’s half-ton trucks like the Silverado 1500 has been the 5.3L V8. This modern Small Block pumps out 355 hp and 383 lb-ft of torque from its aluminum block. The 6.2L V8 available in trucks like the Silverado 1500 Trail Boss takes it even further with 420 hp and 460 lb-ft of torque.
The LS V8 Revolution
In the late 1990s, Chevy ushered in a new era with the LS family of V8 engines. The first was the LS1 in the C5 Corvette. With an all-new aluminum design and overhead valve configuration, the LS V8 was a clean sheet that delivered modern performance.
These LS-based truck engines make use of aluminum blocks, dual overhead cams, and four valves per cylinder. They are designed to meet tight modern emissions standards while still providing exceptional power on demand. You’ll find the 6.2L EcoTec3 L86 V8 in trucks like the Silverado 1500, producing 420 hp and 460 lb-ft of torque.
Duramax Diesel Power
For heavy-duty towing and hauling, Chevy turns to the turbo-diesel Duramax V8. This 6.6L turbo diesel cranks out 445 hp and a whopping 910 lb-ft of torque in the latest Silverado HD trucks. The Duramax design also incorporates aluminum blocks and heads along with a modern common rail fuel delivery system.
Whether gasoline or diesel, modern or classic, Chevy truck engines are engineered to provide hardworking capability to get the job done. From workhorses to off-road warriors, there is a Chevy truck engine to meet your needs.
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