The Ultimate Guide to the Used LT4 Engine for Sale
The LT4 engine, a powerhouse developed by General Motors, has become a sought-after component for performance enthusiasts and car builders alike. With its impressive specs and capabilities, many are looking to buy a used LT4 engine to enhance their vehicles. This guide will provide you with everything you need to know about the LT4 engine, including its specifications, applications, and where to find one for sale.
LT4 Engine Comparison Table
| Engine Type | Displacement | Horsepower | Applications | Year Introduced |
|---|---|---|---|---|
| LT4 | 6.2L | 650 HP | Corvette, Cadillac CTS-V | 2015 |
| LT1 | 6.2L | 455 HP | Camaro, Corvette | 2014 |
| LS3 | 6.2L | 430 HP | Camaro, Corvette | 2008 |
| LS2 | 6.0L | 400 HP | Corvette, GTO | 2005 |
| LS1 | 5.7L | 350 HP | Camaro, Corvette | 1997 |
Overview of the LT4 Engine
The LT4 engine is a supercharged 6.2L V8 engine that produces an astounding 650 horsepower and 650 lb-ft of torque. This engine is engineered for high-performance vehicles, primarily the Chevrolet Corvette Z06 and Cadillac CTS-V. Its advanced technology and engineering make it a favorite among car enthusiasts looking to push the limits of their vehicles.
Key Features of the LT4 Engine
The LT4 engine boasts several innovative features that contribute to its performance:
- Supercharger: The LT4 is equipped with a supercharger from Eaton, which significantly increases horsepower and torque.
- Aluminum Construction: The engine block and heads are made of aluminum, reducing weight while maintaining strength.
- Active Fuel Management: This technology improves fuel efficiency by deactivating half of the engine’s cylinders during light-load conditions.
- Cooling System: A liquid intercooler prevents overheating, allowing the engine to perform at its best even under extreme conditions.
Performance Applications of the LT4 Engine
The LT4 engine is primarily found in high-performance vehicles. Here are some of its notable applications:
- Chevrolet Corvette Z06: The LT4 engine is the heart of the Z06, delivering blistering speed and acceleration.
- Cadillac CTS-V: Known for its luxury and performance, the CTS-V showcases the LT4’s capabilities in a refined package.
- Aftermarket Builds: Many enthusiasts seek the LT4 for custom builds, including swaps into older Chevrolet models.
Where to Buy a Used LT4 Engine
Finding a used LT4 engine can be challenging, but several reputable sources make the process easier:
- Day’s Parts Yard (dayspartsyard.com): This site offers a range of used LS and LT engines, including the LT4.
- Corvette Salvage (www.corvettesalvage.com): Specializing in Corvette parts, they often have LT4 engines available for sale.
- Used.Forsale (www.used.forsale): A classified platform with multiple listings for used LT4 engines.
- Machinio (www.machinio.com): A marketplace for heavy equipment and engines, including performance models like the LT4.
- Used Corvette Engines (www.usedcorvetteengines.com): This site is dedicated to sourcing used Corvette engines, including the LT4.
- Powertrain Guys (powertrainguys.com): They focus on performance engines and often have LT4 options available.
- Corvette Forum (www.corvetteforum.com): A community-driven site where members buy and sell parts, including engines.
- LeeC Parts (leecparts.com): Known for their extensive inventory of used auto parts, including engines.
- JEGS (www.jegs.com): A well-known performance parts retailer that often has LT4 crate engines in stock.
- GM Performance Motor (www.gmperformancemotor.com): They provide new and used LT4 engines, focusing on performance specifications.
Technical Specifications of the LT4 Engine
| Feature | Specification |
|---|---|
| Engine Type | V8 |
| Displacement | 6.2L (376 CID) |
| Horsepower | 650 HP |
| Torque | 650 lb-ft |
| Supercharger | Eaton |
| Compression Ratio | 10.0:1 |
| Fuel System | Direct Injection |
| Transmission | 8L90E |
| Weight | Approximately 450 lbs |
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Conclusion
The LT4 engine stands as a testament to Chevrolet’s engineering prowess, merging raw power with advanced technology. Its applications in high-performance vehicles like the Corvette and Cadillac highlight its capabilities, making it a popular choice among enthusiasts. Whether you’re looking to upgrade your existing vehicle or embark on a custom build, the LT4 engine offers unmatched performance and reliability.
FAQ
What is the LT4 engine?
The LT4 engine is a 6.2L supercharged V8 engine produced by General Motors, known for its high performance and reliability, primarily used in the Chevrolet Corvette Z06 and Cadillac CTS-V.
How much horsepower does the LT4 engine produce?
The LT4 engine produces 650 horsepower and 650 lb-ft of torque, making it one of the most powerful engines available in production vehicles.
What vehicles come equipped with the LT4 engine?
The LT4 engine is primarily found in the Chevrolet Corvette Z06 and the Cadillac CTS-V, but it is also popular for aftermarket performance builds.
Can I find a used LT4 engine for sale?
Yes, several platforms such as dayspartsyard.com, corvettesalvage.com, and machinio.com offer used LT4 engines for sale, along with various automotive forums.
What are the main features of the LT4 engine?
Key features include a supercharger, aluminum construction, active fuel management for efficiency, and a liquid cooling system to prevent overheating.
Is the LT4 engine suitable for custom builds?
Absolutely! The LT4 engine is a popular choice for custom builds due to its high horsepower and performance capabilities.
What is the compression ratio of the LT4 engine?
The LT4 engine has a compression ratio of 10.0:1, which helps optimize performance and efficiency.
What type of fuel does the LT4 engine require?
The LT4 engine is designed to run on premium unleaded fuel to achieve its maximum performance.
Are there warranties available when purchasing a used LT4 engine?
Many retailers, such as powertrainguys.com, offer warranties on used LT4 engines, but it’s important to verify the specific terms before purchase.
How does the LT4 compare to other LS engines?
While the LT4 offers the highest horsepower among the LS family, engines like the LT1 and LS3 provide strong performance at lower horsepower ratings, making them suitable for different applications.