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The AMC AMX is a classic American muscle car that has garnered a loyal following over the years. One of the most effective ways to boost performance in these vehicles is through an intake manifold swap. In this article, we will explore how to gain 20 horsepower with a Holley Sniper setup.
Understanding the AMC AMX Engine
The AMC AMX was equipped with various engine options throughout its production run, including the 290, 343, and 390 cubic inch V8s. Each engine had its own characteristics and performance capabilities. Understanding these engines is crucial for any modifications.
Benefits of an Intake Manifold Swap
Swapping out the factory intake manifold for a performance-oriented one can significantly enhance your engine’s efficiency and power output. Here are some key benefits:
- Improved airflow to the engine
- Better fuel atomization
- Increased horsepower and torque
Choosing the Right Intake Manifold
When selecting an intake manifold for your AMC AMX, consider the following factors:
- Compatibility with your engine type
- Material (aluminum vs. cast iron)
- Design (single plane vs. dual plane)
Popular Intake Manifold Options
Some popular intake manifold options for the AMC AMX include:
- Edelbrock Performer RPM
- Holley Street Dominator
- Weiand Action Plus
Installing the Holley Sniper EFI System
The Holley Sniper EFI system is a popular choice among AMC enthusiasts looking to modernize their fuel delivery system. Here’s how to install it:
- Remove the old intake manifold and carburetor.
- Install the Holley Sniper EFI system according to the manufacturer’s instructions.
- Connect the necessary wiring and fuel lines.
Tuning the Holley Sniper
After installation, tuning the Holley Sniper is essential for optimal performance. Follow these steps:
- Use the Holley Sniper software to adjust fuel tables.
- Monitor air-fuel ratios during test drives.
- Make adjustments based on performance feedback.
Expected Power Gains
With the right intake manifold and Holley Sniper setup, you can expect to gain approximately 20 horsepower. This increase can significantly enhance your driving experience and make your AMC AMX more competitive on the street or track.
Conclusion
Swapping the intake manifold and installing a Holley Sniper EFI system is a proven way to boost the performance of your AMC AMX. Not only will you gain horsepower, but you’ll also improve the overall drivability of your classic muscle car. With careful selection and installation, this upgrade can transform your vehicle into a more powerful machine.