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The Mopar 340 engine is a classic powerhouse that has captured the hearts of muscle car enthusiasts since its introduction in the late 1960s. Known for its remarkable performance and reliability, the 340 can be enhanced with various upgrades to boost its power and efficiency. In this article, we will explore the top performance upgrades for the Mopar 340, highlighting the best brands and the results you can expect.
Understanding the Mopar 340 Engine
The Mopar 340 is a 5.6-liter V8 engine that was produced by Chrysler from 1968 to 1973. It was designed to deliver high performance and was used in various models, including the Dodge Dart and Plymouth Barracuda. With a solid foundation, the 340 is an excellent candidate for performance upgrades.
Top Performance Upgrades
1. High-Performance Intake Manifolds
Upgrading the intake manifold can significantly improve airflow to the engine, enhancing performance. Popular options include:
- Edelbrock Performer RPM Intake Manifold: Designed for high RPM performance, this manifold increases horsepower and torque.
- Holley Street Dominator Intake Manifold: Known for its excellent performance in the mid-range RPMs, this option is ideal for street applications.
2. Upgraded Carburetors
An upgraded carburetor can optimize fuel delivery and increase horsepower. Consider the following:
- Holley 750 CFM Carburetor: This carburetor is known for its performance and tuning flexibility, making it a favorite among enthusiasts.
- Edelbrock Performer Series Carburetors: These carburetors offer excellent throttle response and are easy to install.
3. Performance Camshafts
Upgrading the camshaft can enhance the engine’s performance by improving valve timing and lift. Top choices include:
- Comp Cams Xtreme Energy Camshaft: This camshaft provides a great balance of torque and horsepower, suitable for street and strip applications.
- Crane Cams Energizer Series: Known for their smooth operation and increased performance, these camshafts are a solid upgrade.
4. Headers and Exhaust Systems
Upgrading the exhaust system can greatly improve engine efficiency. Consider these options:
- Hooker Headers: Known for their high-quality construction and performance gains, Hooker headers are a popular choice for the Mopar 340.
- Flowmaster Exhaust Systems: These systems provide a deep, aggressive sound while improving exhaust flow and performance.
5. Ignition System Upgrades
A reliable ignition system is crucial for optimal engine performance. Recommended upgrades include:
- MSD Ignition Systems: Known for their reliability and performance, MSD offers a range of ignition products that can enhance spark delivery.
- Accell Super Stock Ignition Coils: These coils provide a stronger spark, leading to improved combustion efficiency.
6. Performance Pistons and Rings
Upgrading to high-performance pistons and rings can increase compression and improve overall engine performance. Consider:
- Keith Black Pistons: These lightweight pistons are designed for high-performance applications, offering increased durability and performance.
- Wiseco Forged Pistons: Known for their strength and precision, these pistons are ideal for high horsepower builds.
7. High-Performance Cooling Systems
Keeping your engine cool is essential for performance. Upgrading your cooling system can prevent overheating and maintain optimal performance. Options include:
- Be Cool Radiators: These high-performance radiators offer superior cooling efficiency and fit perfectly in Mopar applications.
- Flex-a-lite Electric Fans: These fans provide increased airflow, reducing engine temperatures during high-performance driving.
Expected Results from Upgrades
When properly executed, these performance upgrades can yield impressive results for your Mopar 340. Depending on the combination of components you choose, you can expect:
- Increased horsepower ranging from 50 to 100+ HP.
- Improved torque delivery across the RPM range.
- Enhanced throttle response and overall drivability.
Conclusion
The Mopar 340 engine has a rich history of performance and tuning potential. By considering the upgrades mentioned in this article, you can significantly enhance your engine’s capabilities, making it a formidable powerhouse on the road or track. Whether you are a seasoned enthusiast or a newcomer to the world of muscle cars, the right performance upgrades can transform your Mopar 340 into a true performance machine.