fits model: 340, Cuda, Challenger. make: Dodge, Plymouth, Mopar. year: 1971.

( Brand: Mopar ), ( Manufacturer Part Number: 2780930-340-5 ), ( Part Type: Engine Block ), ( Engine Size: 5.6 L ), ( Vintage Part: Yes )
The Mopar 2780930-340-5 engine block is a genuine Mopar part designed specifically for 1971 Dodge Charger, Cuda, and Plymouth Barracuda muscle cars equipped with the renowned 340 cubic inch V8 engine. This engine block is a crucial component of your vehicle's powertrain, which underpins the iconic muscle car performance of these classic models.
Dependability is rooted in this engine block's robust design. It is engineered using high-grade cast iron, ensuring the longevity and durability needed for high-performance applications. The water jackets encircling the cylinder bores provide efficient cooling and consistent operating temperatures, even during the most demanding driving conditions.
The cylinder bores measure at 4.062 inches (103.18 mm) and are compatible with oversized pistons and rings, perfect for performance-focused applications. The deck surface finish, which has an average surface roughness (Ra) of 12 microinch (0.3048 m), is expertly prepared for optimal ring sealing.
Additionally, this engine block comes equipped with a built-in oil pan and a freeze plug kit. The oil pan safely stores the engine oil and maintains optimal lubrication for all moving components. The freeze plug kit includes critical freeze plugs that prevent coolant from entering the crankcase area during freezing temperatures, preserving critical engine oil seals and their performance.
Replacing the worn-out engine block is a significant task, but with this Mopar factory-engineered replacement part, you can tackle the job with confidence. Rest assure that this engine block meets the highest Mopar standards for precision, quality, and compatibility. As a result, you'll enjoy the unmistakable power and performance that Dodge and Plymouth muscle cars are known for.
Mopar 2780930-340-5 is a 340 cubic inch V8 engine block produced by Mopar, the parts division of FCA US LLC, for specific model year 1971 Dodge Cuda and Challenger vehicles. Let's discuss the pros and cons of buying this engine block for your restoration project.
Pros:1. Authenticity: This engine block is OEM (Original Equipment Manufacturer) and comes directly from a trusted automotive parts supplier, ensuring authenticity and compatibility with your 1971 Dodge Cuda or Challenger.
2. Quality: The quality of OEM parts is generally higher compared to aftermarket parts, as they are manufactured using original tooling and specifications, ensuring a better fit and finish.
3. Safer: A new engine block is safer than a rebuilt or used engine block. You know exactly what you're getting and have confidence that the block has no hidden damage.
4. Warranty: OEM engine blocks typically come with a manufacturer warranty, providing you with peace of mind and protection against any potential defects or issues.
5. Performance: This engine block is specifically designed for use in high-performance muscle cars, offering excellent power and torque capabilities.
Cons:1. Cost: OEM engine blocks usually cost more than aftermarket or rebuilt blocks due to their authenticity and higher manufacturing standards.
2. Lead time: OEM engine blocks may take longer to arrive due to manufacturing and shipping processes. Be sure to check the estimated delivery date and plan accordingly.
3. Fewer customization options: Since this engine block is specifically designed for 1971 Dodge Cuda and Challenger vehicles, there may be fewer customization options available compared to aftermarket blocks.
4. Special tools may be required for installation: Depending on the condition of your vehicle and the complexity of the engine installation process, special tools may be required for installation.
Conclusion:The Mopar 2780930-340-5 1971 Dodge Cuda and Challenger engine block offers the benefits of authenticity, quality, safety, performance, and warranties, but comes with a higher cost, longer lead times, limited customization options, and potentially requiring special tools for installation.
Recommendation:If authenticity and performance are your top priorities for your 1971 Dodge Cuda or Challenger restoration project, the OEM Mopar engine block is the recommended choice. If you're concerned about cost, you may consider weighing the benefits against the popularity of aftermarket or rebuilt options. Ultimately, your decision should be based on your personal preferences, desired outcome, and budget for the project.
This as not a hack job, seems to be well put together engine. We combine shipping on multiple orders to save you cash.: This is a 1971 Mopar 340 Short Block. This ran excellent, and originally had the 1970 Mopar 340 6 pack setup on it with special six intake correct heads.
The measuring was done using a cheap bore gauge and may not be perfectly accurate. Buy More and Save. We mainly work with old car parts, but we get all sorts of odds and ends in stock from different sources. 1971 Mopar 340 Engine Short Block 2780930-340-5 Dodge Plymouth Cuda Challenger: condition: used, looks really good inside.
This also has a large 4 on it, I am unsure of what that indicates. Ran good when pulled apart. Warning: not for human consumption. This has the crank, cam and pistons in it as well oil pan pump, seen photos.