Unlocking Engine Performance: The Benefits of an Air Oil Separator for Subaru EJ and FA Engines

 

Introduction:

Subaru's EJ and FA engines have gained a reputation for their impressive performance and reliability. However, like any high-performance engine, they generate heat and byproducts that can impact overall efficiency. One crucial component that can enhance the health and longevity of these engines is an air oil separator (AOS). In this blog post, we will explore the benefits of incorporating an AOS into your Subaru EJ or FA engine.

1. Improved Oil Circulation:

The Subaru EJ and FA engines, known for their boxer configuration, can experience oil pooling in certain areas due to their design. An air oil separator helps prevent oil from accumulating in the intake manifold and intercooler, ensuring that only clean air enters the combustion chamber. This separation of oil from the air stream promotes better oil circulation and reduces the risk of oil-related issues, such as carbon buildup.

2. Reduced Carbon Deposits:

Carbon deposits are a common concern in high-performance engines, affecting combustion efficiency and overall performance. An AOS significantly reduces the amount of oil vapor circulating through the engine. By doing so, it minimizes the potential for carbon deposits on critical components like intake valves and pistons. This translates to improved combustion efficiency, power delivery, and engine responsiveness.

3. Extended Engine Life:

The longevity of any engine depends on proper maintenance and the reduction of harmful contaminants. An air oil separator plays a pivotal role in preserving engine health by preventing oil from contaminating vital engine components. This not only extends the life of the engine but also reduces the likelihood of premature wear and tear.

4. Consistent Performance:

Subaru enthusiasts appreciate the consistent and reliable performance of EJ and FA engines. An AOS helps maintain this consistency by ensuring that the engine receives only clean air, free from oil contaminants. Consistent performance is not only important for daily driving but also crucial for those who push their Subaru engines to the limit on the track.

5. Easy Installation and Maintenance:

One of the practical advantages of an air oil separator is its relatively easy installation process. Many aftermarket AOS units are designed to be a direct fit for Subaru EJ and FA engines, making them accessible upgrades for enthusiasts. Additionally, these systems often require minimal maintenance, contributing to a hassle-free ownership experience.

Conclusion:

Incorporating an air oil separator into your Subaru EJ or FA engine setup is a wise investment for enthusiasts seeking enhanced performance, longevity, and reliability. By addressing oil-related issues and promoting cleaner air intake, an AOS contributes to a healthier engine overall. Whether you're a daily driver or a track enthusiast, the benefits of an air oil separator make it a valuable addition to your Subaru's performance arsenal.

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