How to Properly Install and Align a Gurney Flap on a Subaru BRZ for Aerodynamic Efficiency?

A Gurney Flap, also known as a wickerbill, is a simple yet powerful aerodynamic device that can significantly enhance the performance of your Subaru BRZ. This small, thin strip of metal or plastic, installed at the trailing edge of a car’s spoiler or wing, creates an aggressive, downward force that improves the grip and stability of your vehicle, especially at high speeds. In this guide, we’ll meticulously walk you through the process of how to properly install, align, and fine-tune a Gurney Flap for optimum aerodynamic efficiency.

Identifying the Right Gurney Flap for Your Subaru BRZ

Before you can delve into installing a Gurney Flap, you first need to identify the right one for your Subaru BRZ. Considering that Gurney Flaps are available in various sizes and shapes, choosing the ideal one can be challenging.

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The selection process starts with understanding the implications of different flap sizes. Smaller Gurney Flaps generally offer less drag and less downforce, making them a great choice for high-speed straight-line driving. In contrast, larger flaps create more downforce and more drag, which can be advantageous when negotiating corners or during spirited driving.

Try to acquire a Gurney Flap that is designed specifically for your Subaru BRZ model. This ensures that it will fit correctly and function properly. Universal Gurney Flaps may be less expensive, but they may require modifications or adjustments for a precise fit.

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Tools Required for Installation

Once you’ve picked the perfect Gurney Flap for your Subaru BRZ, the next step is gathering the necessary tools for the installation. Most Gurney Flaps can be installed easily with basic hand tools that you may already have in your garage.

Some of the tools and supplies you will need include a drill, a set of drill bits, a center punch, a ruler or measuring tape, painter’s tape, a Phillips screwdriver, a set of metric sockets, and a torque wrench. In addition, you will require safety glasses to protect your eyes from flying debris while drilling, and a pair of gloves to protect your hands.

The Installation Process

The installation of a Gurney Flap on your Subaru BRZ involves a few key steps that need to be accomplished with utmost precision to ensure the device operates effectively and reliably.

First, you need to thoroughly clean the area where the Gurney Flap will be installed. This means wiping down the rear spoiler or wing of your Subaru BRZ. Dirt or grease can prevent the Gurney Flap from adhering properly.

After cleaning, place the Gurney Flap in position on the spoiler or wing and use painter’s tape to hold it in place temporarily. Using a ruler or measuring tape, adjust the position of the flap until you are satisfied it is centered and properly aligned.

Aligning and Tuning the Gurney Flap

Once your Gurney Flap is installed, proper alignment and tuning are crucial to attaining the desired aerodynamic efficiency.

Alignment involves ensuring that the Gurney Flap is perfectly parallel to the trailing edge of the spoiler or wing. If the flap is not parallel, it will cause unequal downforce in different sections of the spoiler, which can adversely impact the handling balance of your Subaru BRZ.

Tuning a Gurney Flap primarily involves adjusting its height. The rule of thumb is that the flap’s height should be around 1% to 2% of the chord length of the wing or spoiler. However, this can be fine-tuned based on your driving style and conditions.

In conclusion, installing and aligning a Gurney Flap on your Subaru BRZ is a straightforward process that any enthusiast can undertake. With the right tools and a bit of patience, you can enhance your vehicle’s aerodynamic efficiency and overall performance.

Safety Precautions and Possible Mistakes to Avoid During Installation

Safety should always be your primary concern when working on your vehicle, and installing a Gurney Flap on your Subaru BRZ is no exception. Always wear appropriate safety gear, including safety glasses to protect your eyes from flying debris and gloves to protect your hands.

One common mistake to avoid during installation is skipping the step of thoroughly cleaning the area where the Gurney Flap will be installed. Any dirt, grease, or other residue can prevent the flap from adhering properly, which can compromise its performance and possibly lead to it becoming detached while driving.

Also, ensure to use accurate measuring tools to make sure the Gurney Flap is properly aligned and centered. Failing to do so can result in uneven downforce, which can negatively impact the handling and stability of your Subaru BRZ. Another common mistake is overtightening the screws when installing the flap, which can strip the threads. Always use a torque wrench and follow the manufacturer’s guidelines for the correct torque setting.

Remember, it’s important to take your time during this process. Patience is key when installing and aligning a Gurney Flap, as rushing can lead to mistakes that could affect your vehicle’s performance.

Conclusion: Elevating Your Subaru BRZ’s Performance with a Gurney Flap

In summary, installing a Gurney Flap on your Subaru BRZ can provide a noticeable improvement in the vehicle’s aerodynamic efficiency and overall performance, especially at high speeds. From identifying the right Gurney Flap, gathering the necessary tools, following the steps for installation, and ensuring proper alignment and tuning, this process requires patience and precision but can be accomplished by any car enthusiast with a bit of time and effort.

Taking the time to correctly install and align the Gurney Flap not only enhances your driving experience but also provides a sense of accomplishment. It’s a clear testament to the impact of small but carefully engineered parts on a vehicle’s performance. Always remember to follow safety precautions and avoid common mistakes to ensure a successful installation. With the right Gurney Flap installed and aligned, your Subaru BRZ will be ready to take on any road with increased stability and efficiency.