Articles & Reviews for Porsche GT Cars

Coming Soon: 3D Scanning My GT3 RS for CFD Simulations!
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Porsch991.2GT3RSCFD.jpeg

In this upcoming post, I’ll be 3D scanning my GT3 RS to create a detailed digital model for Computational Fluid Dynamics (CFD) simulations. Stay tuned as I dive into the process and explore how data from CFD can help us understand the car's aerodynamics!
Porsche 992 GT3 / GT3 RS Valve Delete Modules
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Conclusion:
  • The factory valve system in the 992 GT3 is overly restrictive, with the valves not fully opening until around 5k rpm, even with Porsche Sports Exhaust (PSE) mode activated.
  • The most effective mod to improve sound is removing or overriding the factory valves.
  • SOUL Valve Delete Modules provide a simple and efficient solution to remove the valves without triggering a check engine light or interfering with normal ECU functions.
The Problem:
  • The 992 GT3's Porsche Sports Exhaust (PSE) mode doesn’t allow full valve opening, even when activated.
  • The factory PSE programming is becoming increasingly invasive, preventing manual control of valve operation.
  • In previous Porsche models, pushing the PSE button would override the valve control, but the valves would only open at higher rpm ranges.
  • The 992 GT3 now features electronically actuated valves (not vacuum-based), making it harder to force the valves open.
  • With PSE mode...
New wet weather tire from Porsche and Michelin extends the track-day season
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Porsche and Michelin have introduced the Pilot Sport S 5, a new tire designed specifically for the Porsche 911 GT3 RS to improve performance in wet and cooler conditions. This tire expands the track-day season for owners in regions with less ideal weather, allowing for greater versatility.

The Pilot Sport S 5 is engineered to offer better grip and handling compared to other ultra-high-performance tires in wet conditions. It features a specially designed tread pattern, including large central grooves and a high silica rubber compound, which improves water evacuation and grip in cooler temperatures (40-60°F). This makes it ideal for spring and fall track days, providing enhanced precision and faster lap times, especially in wet weather.

The tire’s development involved extensive testing at Michelin’s Development Center, with input from Porsche Brand Ambassador Jörg Bergmeister. In tests, the Pilot Sport S 5 demonstrated lap times more than 10 seconds...
Fire-Resistant Apparel: A Closer Look at the Sabelt Laser TB-3 Racing Shoes
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Conclusion​

The Sabelt LASER TB-3 racing shoes are a fantastic option for motorsport enthusiasts who want lightweight, breathable, and FIA-compliant footwear. Their customization options, along with the emphasis on comfort and performance, make them stand out in the market. I’m excited to test out my custom pair and will keep you updated on how the sizing works out. If you’re looking for high-performance fire-resistant footwear that also allows for personal customization, the Sabelt LASER TB-3 might be just the shoe you need.

In my previous article, I covered fire-resistant apparel and its importance in motorsports for safety and performance. Today, I want to dive deeper into a specific piece of equipment: fire-resistant shoes, particularly the Sabelt LASER TB-3. These shoes stand out for their lightweight design, comfort, and FIA compliance, and I’ll explore their key features, including customization options, and my personal experience with...
Flame-Resistant Clothing for High-Performance Driving Days (HPDE)
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Flame-Resistant Clothing for High-Performance Driving Days (HPDE)



As I prepare for high-performance driving days, safety is paramount.

I've had a Manthey roll bar installed, Sabelt racing seats, Schroth seatbelts, completed an oil change, installed new brake fluid, and conducted a full suspension review. Of course, my helmet is up to current safety standards, but I’m not ready to invest in a full racing suit. That said, I do want to protect myself as much as possible, and I’ve been looking into performance clothing that can keep me safe during a thermal event (fancy word for fire).
This led me down the path of searching for flame-resistant apparel, specifically pants, shirts, and shoes. My goal was to find clothing that not only meets industry standards for fire protection but also performs well in other areas such as comfort...
Exhaust Materials for Porsche GT3 RS: Titanium (Grade 5 Ti 6Al-4V) vs. Stainless Steel 304SS vs. 321SS vs. Inconel 625
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Conclusion:

Choosing the right exhaust material for high-performance vehicles like the Porsche GT3 RS requires balancing factors like weight, heat resistance, durability, and cost. Below is a summary of key materials:
  • Titanium (Grade 5 Ti 6Al-4V): Excellent for weight reduction and corrosion resistance, but comes with a higher cost and potential brittleness under impact.
  • Stainless Steel 321SS: Offers superior heat resistance and durability, making it ideal for high-temperature environments, but is heavier than titanium.
  • Stainless Steel 304SS: An affordable and corrosion-resistant material, but lacks the heat tolerance and weight-saving benefits of 321SS and titanium.
  • Inconel 625: Offers exceptional heat resistance and durability, making it ideal for extreme conditions, though it is heavy and expensive.

Key Points:

1. Titanium (Grade 5 Ti...

Mastering Post-Processing with ParaView: A Beginner’s Guide to Visualizing OpenFOAM Simulations
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As I begin to refamiliarize myself with open-source CFD software such as OpenFOAM for CFD simulation and ParaView for post-processing, I’m reminded of the steep learning curve these tools present. In previous articles, I’ve written about OpenFOAM and its powerful capabilities, and now I want to shift focus to ParaView—a powerful yet complex tool for visualizing simulation results. For beginners, the learning curve with ParaView can be just as daunting as with OpenFOAM. With so much information available, it can be overwhelming to quickly grasp the essentials required to generate simple visuals from your simulation results.

In my opinion, ParaView is one of the best, if not the only tool, for post-processing and visualizing OpenFOAM simulations. Its powerful features and flexibility make it an essential tool for anyone working with...

Michelin Pilot Sport Cup 2 R vs. Goodyear Eagle F1 SuperSport RS vs. Pirelli P Zero Trofeo R: Ultimate Track Tire Showdown

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Conclusions:

  • For Best Lap Time (Dry Conditions):
    • Michelin Pilot Sport Cup 2 R is the top choice followed by the Goodyear Eagle F1 SuperSport RS.
  • For Control & Fun:
    • The Pirelli P Zero Trofeo R.
  • Wet Conditions:
    • Pirelli is the better choice however be aware of the rear-end aquaplaning.
  • OE vs. Aftermarket:
    • OE tires (Michelin and Goodyear) are designed for predictability and safe handling, making them ideal for track-day enthusiasts who value stability. Aftermarket tires (Pirelli) provide higher performance in the wet, and provide consistent dry lap performance.
Average Braking Distance [m] (Wet Lap) v2.png
Average Lap Time [s] (Wet Lap) v2.png
Lap Time by Lap v5.png

Key Themes and...

Michelin Pilot Sport Cup 2 vs. Cup 2 R: How Much Faster is the Cup 2 R on Track?
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This is a must-watch video if you're trying to figure out the best tire for your next track day, based on your goals. The comparison covers dry lap times, with the Michelin Pilot Sport Cup 2 averaging 64.9 seconds and the Cup 2 R coming in at 64.0 seconds. Here's a breakdown of the lap times:

Lap Time by Lap (Dry Lap) Michelin Cup 2.png

These times were recorded at the Michelin Tire Test Track in France, giving you an accurate representation of each tire’s performance in optimal conditions

Tire Shine Products: How They Work, Prevent Slinging & AMMO Mud Tire Gel Review
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Tire Shine Products: How They Work, Prevent Slinging & AMMO Mud Tire Gel Review

Key Takeaways:

  • Tire shine products enhance tire appearance with a glossy or matte finish while offering UV protection and preventing cracking.
  • Benefits: They improve aesthetics, protect against sun damage, and keep tires cleaner for longer.
  • Downsides: Over-application or improper use can lead to slinging (product flung off the tire onto the car’s sidewalls).
  • Slinging Causes: Slinging happens when centrifugal force displaces excess product, especially with thinner, more fluid formulas.
  • AMMO Mud Tire Gel Slinging Analysis: The product's formula has a moderate risk of slinging, but proper application significantly reduces this risk.

What Are Tire Shine Products and What Do They Do?

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