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The Plymouth Road Runner is a classic muscle car that has captured the hearts of automotive enthusiasts for decades. One of the most effective ways to boost its performance is by upgrading to a K&N cold air intake and headers. In this article, we will explore how these modifications can enhance your Road Runner’s power and performance.
Understanding Cold Air Intakes
A cold air intake system is designed to draw cooler air into the engine, which can lead to improved combustion and increased horsepower. The K&N cold air intake is particularly popular due to its high flow rate and superior filtration capabilities.
- Improved airflow: K&N cold air intakes are engineered to provide better airflow compared to stock intakes.
- Enhanced filtration: K&N filters are washable and reusable, ensuring that your engine stays clean.
- Increased horsepower: By allowing more air into the engine, you can expect a noticeable increase in power.
The Benefits of Headers
Headers replace the factory exhaust manifold and are designed to improve exhaust flow from the engine. This modification can lead to significant gains in horsepower and torque.
- Better exhaust flow: Headers create a more efficient pathway for exhaust gases to exit the engine.
- Increased performance: The improved flow can result in better throttle response and more power.
- Enhanced sound: Upgrading to headers can give your Road Runner a more aggressive exhaust note.
Installing the K&N Cold Air Intake
Installing a K&N cold air intake on your Plymouth Road Runner is a straightforward process that can be completed with basic tools. Here’s a step-by-step guide:
- Gather necessary tools: You will need a socket set, screwdrivers, and pliers.
- Remove the old intake: Disconnect the battery, then remove the factory air intake system.
- Install the K&N intake: Follow the instructions provided with the kit to install the new cold air intake.
- Reconnect the battery: Once everything is secured, reconnect the battery and start the engine to check for proper installation.
Installing Headers on Your Road Runner
Installing headers requires a bit more effort than a cold air intake, but the performance benefits are worth it. Here’s how to do it:
- Gather tools: You will need a jack, jack stands, a socket set, and possibly a torque wrench.
- Lift the vehicle: Safely lift the Road Runner using a jack and secure it with jack stands.
- Remove the old exhaust manifold: Disconnect the exhaust pipes and remove the factory manifold.
- Install the new headers: Carefully fit the new headers and secure them according to the manufacturer’s instructions.
- Reconnect the exhaust: Attach the exhaust pipes to the new headers and ensure everything is tight.
- Lower the vehicle: Once everything is installed, lower the car and start the engine to check for leaks.
Tuning Your Plymouth Road Runner
After installing a K&N cold air intake and headers, it’s essential to tune your Plymouth Road Runner to maximize the benefits of these modifications. Tuning adjusts the engine’s fuel and timing settings for optimal performance.
- ECU tuning: Consider using a performance chip or programmer to adjust the engine’s ECU settings.
- Dyno tuning: A professional dyno tune can provide precise adjustments for maximum horsepower and torque.
- Test drive: After tuning, take your Road Runner for a test drive to feel the improvements in performance.
Conclusion
Upgrading your Plymouth Road Runner with a K&N cold air intake and headers is an excellent way to increase its power and performance. With proper installation and tuning, you can enjoy a more responsive and powerful driving experience. Embrace the thrill of the classic muscle car with these enhancements and feel the difference on the road.