AEM AQ1 Koyo Rad
AEM AQ1 Koyo Rad

Unlock Your Track Potential: Mastering Driving Technique with AEM AQ-1 OBD2 Data Logger

Upgrading your car with performance parts is exciting, but are you truly maximizing those enhancements on the track? Many enthusiasts invest heavily in horsepower, suspension, and braking, yet overlook the most critical component: the driver. Improving your driving skills isn’t always glamorous, it requires honest self-assessment and dedicated learning, but it unlocks a new level of enjoyment and performance from your vehicle. Before chasing bigger turbos or the latest suspension kits, consider the profound impact of mastering your driving technique. This is where tools like the AEM AQ-1 OBD2 data logger become invaluable, transforming how you learn and shave seconds off your lap times.

Beyond Car Parts: The Driver as the Key Upgrade

It’s tempting to believe that faster lap times are solely achieved through bolting on more powerful components. While performance upgrades certainly enhance a car’s potential, they are only as effective as the driver behind the wheel. Think of it this way: a finely tuned instrument is useless if the musician lacks the skill to play it. Similarly, a track-ready car demands a driver capable of exploiting its capabilities. Investing in driver improvement is often the most impactful upgrade you can make. It’s about learning to harness the power and handling you already possess, and understanding how to push your limits safely and effectively. This journey of self-improvement, while challenging, is incredibly rewarding and fundamentally changes your track experience.

The Power of Data: Unlocking Driving Secrets with Data Logging

How do you objectively assess and improve your driving? Subjective feelings on the track are unreliable. This is where data logging emerges as a game-changer. A data logger precisely records your driving inputs and the car’s responses, transforming abstract sensations into concrete, analyzable data. Imagine having a detailed report card of every lap, highlighting areas of strength and weakness. This is the power of data logging. It removes guesswork and provides actionable insights to refine your technique, whether it’s braking points, throttle application, cornering speeds, or steering inputs. By analyzing this data, you can identify specific areas for improvement and track your progress with quantifiable metrics. Data doesn’t lie, and it provides the most direct path to becoming a faster, more consistent driver.


Enhanced cooling system with Koyorad radiator for consistent track performance, a crucial supporting mod for data-driven driver improvement.

Introducing the AEM AQ-1 OBD2 Data Logger: Your Co-Driver for Performance

The AEM AQ-1 OBD2 Data Logger is designed to be that insightful co-driver, providing the detailed data you need to elevate your track driving. This user-friendly device bridges the gap between driver and machine, offering a wealth of information without requiring complex setups. The AQ-1 OBD2 stands out due to its versatility and ease of use. It can tap into your car’s OBD2 port (for 2008 and newer vehicles), accessing a wide array of engine and vehicle parameters. Beyond OBD2 data, it incorporates a built-in 3-axis accelerometer and GPS, capturing crucial data like g-forces, speed, and track position. For advanced users, it also offers the flexibility to connect up to 12 additional external sensors for even more in-depth analysis. Whether you prefer a simple OBD2 connection or a comprehensive sensor suite, the AEM AQ-1 OBD2 adapts to your needs and provides the critical data for driver development. The included AEMdata Analysis software further enhances its value, allowing you to visualize and interpret your driving data alongside video and track maps, making performance analysis intuitive and effective.


Upgraded Eibach coilovers enhance handling, providing a more responsive platform to experience the benefits of data-driven driving technique adjustments.

Real-World Improvement with AEM AQ-1 OBD2: Buttonwillow Raceway Case Study

To demonstrate the tangible benefits of data-driven driver improvement using the AEM AQ-1 OBD2, let’s examine a real-world example at Buttonwillow Raceway Park. Gianni Jeong, a Club DSPORT intern with limited track experience, utilized the AEM AQ-1 OBD2 in his 2013 Subaru BRZ to analyze and refine his driving technique. Prior to hitting the track, Gianni’s BRZ received a series of handling and durability upgrades, including:

  • Koyorad Aluminum Racing Radiator: For enhanced cooling during demanding track sessions.
  • Eibach Multi-Pro-R2 Street Coilover Kit: Adjustable suspension for optimized handling and control.
  • Eibach Anti-Roll Kit Sway Bars: Reduced body roll and improved responsiveness.
  • DBA 5000 Series T3 Brake Rotors: Enhanced heat management and braking performance.
  • Project Mu Brake Pads, Fluid, and Steel-Braided Lines: Improved braking feel and fade resistance.
  • Konig Hypergram Wheels and Maxxis Victra VR-1 Tires: Lightweight wheels and high-performance tires for enhanced grip.

These upgrades provided a solid foundation, but the focus was on Gianni, the driver, and how the AEM AQ-1 OBD2 could help him extract maximum performance.


Eibach sway bars contribute to sharper turn-in, allowing the driver to push cornering limits and gather valuable data with the AEM AQ-1 OBD2.

Initial Session: Identifying Braking Weakness

Gianni’s first track session served as a baseline. After a few familiarization laps, reference data was established by a more experienced driver to highlight the car’s potential. Analyzing Gianni’s initial data from the AEM AQ-1 OBD2 revealed a clear area for improvement: braking. The data showed longitudinal braking forces peaking at approximately 0.7g, significantly lower than the car’s capability. Deceleration times were also longer than optimal, indicating excessive early braking. The reference data suggested the car and tires could handle nearly 0.5g more deceleration. While simply braking harder isn’t the sole key to faster laps, mastering maximum braking force is fundamental. It allows for later braking, more time on the throttle before braking zones, and smoother trail braking into corners.


Upgraded Project Mu brake pads ensure consistent and powerful braking performance, essential for maximizing data-driven braking technique improvements.

Second Session: Throttle Control and Weight Transfer

In the second session, Gianni focused on applying more aggressive braking. While lap times improved slightly to 2:22.0, the AEM AQ-1 OBD2 data revealed new areas for refinement. Analyzing throttle position data highlighted erratic inputs in corners. Sudden throttle lifts and applications caused unwanted weight transfer, destabilizing the car’s balance and grip. Furthermore, the data showed a noticeable delay between lifting off the throttle and applying the brakes. This delayed braking created two separate weight transfer events, hindering braking efficiency. The goal became smoother throttle inputs and a quicker transition from throttle to brake, promoting more stable weight transfer and improved braking performance.


DBA rotors provide enhanced braking consistency, allowing for confident data-guided adjustments to braking technique.

Final Session: Significant Lap Time Gains

The final session showcased the remarkable impact of data-driven adjustments. By consciously applying the lessons learned from the AEM AQ-1 OBD2 data, Gianni achieved a best lap time of 2:18.2, surpassing the 2:20.0 target by a significant margin and improving by 4.8 seconds overall in just three sessions. Transitions between braking and throttle became almost instantaneous, throttle inputs smoothed out considerably, and cornering speeds increased dramatically. The AEM AQ-1 OBD2 provided the objective feedback necessary to accelerate Gianni’s learning curve and unlock substantial performance gains in a short time.


Lightweight Konig wheels and wider tires provide enhanced grip, maximizing the impact of data-optimized driving techniques on track performance.

Key Features of the AEM AQ-1 OBD2 Data Logger

  • OBD2 Connectivity: Simple plug-and-play connection to 2008+ vehicles for accessing engine and vehicle data.
  • Built-in Accelerometer and GPS: Captures g-forces, speed, and track position without external sensors.
  • Expandable Sensor Inputs: Option for 12 additional custom sensor inputs for advanced data acquisition.
  • AEMdata Analysis Software: Powerful software for visualizing, analyzing, and interpreting data alongside video and track maps.
  • User-Friendly Interface: Easy to set up, use, and analyze data, making it accessible for drivers of all skill levels.
  • Affordable Price: Provides professional-level data logging capabilities at a competitive price point.


AEMdata Analysis Software allows for detailed review of driving data, enabling targeted improvements in technique.

Conclusion: Drive Smarter, Drive Faster with Data

While car upgrades offer performance enhancements, true track mastery stems from driver skill. The AEM AQ-1 OBD2 Data Logger empowers you to unlock your driving potential through objective data analysis. As Gianni’s experience demonstrates, data logging transforms track days from seat-of-the-pants guesswork to a structured learning experience. By understanding your driving strengths and weaknesses through data, you can make targeted improvements, shave lap times, and ultimately experience the full potential of both yourself and your car. Stop leaving performance on the table and start driving smarter. The AEM AQ-1 OBD2 is your partner in the pursuit of driving excellence.

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