LS3 Engine for Sale: Specs, Features, and Frequently Asked Questions
ls3 engine for sale, The LS3 engine, one of the most popular and powerful small-block V8 engines in the performance world, has become a go-to choice for car enthusiasts, racers, and those seeking to upgrade their vehicles. Whether you’re looking to replace an old engine or want to enhance your project car’s performance, the LS3 engine stands out due to its performance, reliability, and ease of modification.
What is the LS3 Engine?
The LS3 engine is part of General Motors’ highly regarded LS series of engines, which are known for their impressive power output, fuel efficiency, and aftermarket support. Introduced in 2008, the LS3 was designed as a naturally aspirated 6.2-liter V8 engine, commonly used in performance cars such as the Chevrolet Corvette and the Camaro SS. It has since found its way into a variety of custom builds, restoration projects, and racing applications.
LS3 Engine Specifications
Here’s a breakdown of the key specifications of the LS3 engine:
- Engine Type: 6.2L V8
- Displacement: 376 cubic inches (6.2 liters)
- Bore x Stroke: 4.065 inches x 3.622 inches
- Compression Ratio: 10.7:1
- Maximum Horsepower: 430-505 hp (depending on the configuration)
- Maximum Torque: 424 lb-ft (standard configuration) or 470 lb-ft (with LS3 crate engine)
- Fuel System: Sequential multi-port fuel injection (SFI)
- Cylinder Heads: Aluminum (Gen IV)
- Block Material: Cast iron or aluminum (depends on the specific model)
- Fuel Type: Premium unleaded gasoline
- Recommended Oil Type: 5W-30 or 10W-30 full synthetic motor oil
- Camshaft: Roller camshaft (Gen IV)
- Valvetrain: Overhead valve (OHV), with 2 valves per cylinder
- Transmission Compatibility: Fits many manual and automatic transmissions, including T56 and 4L80E.
Performance Features
- High-Performance Design: The LS3 is known for its high-output, high-revving performance, making it ideal for both street and track use.
- Reliability: With durable cast-iron block options and aluminum heads, the LS3 is built to withstand high levels of power and performance while maintaining reliability.
- Tuning and Modification Flexibility: One of the major reasons for the LS3’s popularity is its incredible aftermarket support. Tuners can adjust almost every aspect of the engine to fit their needs, making it a favorite for performance enthusiasts.
- Fuel Efficiency: While primarily designed for high performance, the LS3 engine also provides reasonable fuel economy for its power output.
LS3 Engine For Sale: Where to Buy
When searching for an LS3 engine for sale, several options are available depending on your budget and the specific needs of your build:
- New LS3 Engines: These engines are often sold as crate engines, which are fully assembled and ready to be dropped into a project car. Companies like GM Performance Parts, Summit Racing, and Edelbrock sell LS3 crate engines.
- Used LS3 Engines: If you are looking for a more budget-friendly option, used LS3 engines can be found from various online marketplaces such as eBay, Car-Part, or local salvage yards. Ensure you inspect the engine’s condition, mileage, and history before purchasing.
- Rebuilt or Remanufactured LS3 Engines: These are engines that have been professionally restored and brought back to factory specifications. Rebuilt engines offer a good balance between cost and performance and can be found through specialized shops or online retailers.
Frequently Asked Questions (FAQs)
Q: What vehicles come with an LS3 engine?
A: The LS3 engine is commonly found in the Chevrolet Corvette C6 (2008-2013) and the Chevrolet Camaro SS (2010-2015). It has also been used in other GM performance vehicles and is frequently chosen as an upgrade for classic muscle cars and custom builds.
Q: How much horsepower does an LS3 engine have?
A: The LS3 engine typically produces around 430 horsepower and 424 lb-ft of torque in its stock configuration. However, performance crate engines, such as those from GM Performance, can reach up to 505 horsepower and 470 lb-ft of torque.
Q: Can I upgrade my existing engine to an LS3?
A: Yes, upgrading to an LS3 engine is a popular modification for muscle cars, hot rods, and custom builds. This upgrade often requires modifications to the engine bay, transmission, and wiring. Make sure you have the proper parts and tools for the swap, or consider working with a professional to ensure a smooth installation.
Q: Is the LS3 engine good for racing?
A: Yes, the LS3 engine is a highly popular choice for racing applications, particularly in amateur and professional racing circuits. Its high horsepower, torque, and aftermarket tuning capabilities make it a great option for racers looking for performance without compromising reliability.
Q: Can I use the LS3 engine for street driving?
A: Absolutely! The LS3 is engineered to be street-friendly, offering a good balance between power and fuel economy. Many enthusiasts choose the LS3 as a daily driver engine swap due to its reliability and performance.
Q: How much does an LS3 engine cost?
A: The cost of an LS3 engine can vary depending on the condition, source, and configuration. For new crate engines, prices typically range from $7,000 to $10,000. Used or rebuilt engines can be less expensive, with prices generally ranging from $3,500 to $6,000.
Q: What transmission is compatible with the LS3 engine?
A: The LS3 engine is compatible with a variety of transmissions, including the T56 6-speed manual transmission, the 4L80E 4-speed automatic, and the 6L80 6-speed automatic. However, the specific transmission you choose may depend on your vehicle and performance goals.
Q: How long will an LS3 engine last?
A: With proper care and regular maintenance, an LS3 engine can last for well over 150,000 miles. Some LS3 engines used in performance applications can last even longer if they are regularly serviced and maintained.
Conclusion
The LS3 engine is a powerful and versatile choice for anyone looking to upgrade their vehicle’s performance. Whether you are looking for a new crate engine, a used unit, or a rebuilt one, the LS3 offers impressive power, reliability, and a vast aftermarket. Its popularity in racing, street driving, and custom builds ensures that it will remain a favorite among car enthusiasts for years to come. When purchasing an LS3 engine for sale, make sure to do thorough research to find the best deal and ensure the engine suits your specific needs.

