Articles & Reviews for Porsche GT Cars

Exploring Underbody Flow Management for the 991.2 GT3 RS Aero Kit: 3D Printing & CFD Analysis
Hey everyone! I’ve started working on the aero kit for the 991.2 GT3 RS, focusing specifically on managing the underbody airflow with some custom strikes. To ensure the fitment and functionality, I used a scan of the 991.2 GT3 RS as a base to model and 3D print some test pieces. These pieces will help us test the fitment before moving forward with more advanced design refinements. Next step is to perform CFD (Computational Fluid Dynamics) analysis to further fine-tune the design and make sure we’re getting optimal performance. I’m excited to see how this project progresses and will be sharing updates as I go. Anyone here worked on similar aero mods? Would love to hear your thoughts or experiences!
Upcoming CFD Analysis of 991.2 GT3: Investigating Buffeting with Windows Down (OpenFOAM + Unsteady LES)
Exciting analysis coming soon! I’ll be diving into a CFD simulation of the Porsche 991.2 GT3 with the windows down to explore buffeting effects. The analysis will be conducted using OpenFOAM, with an unsteady LES approach—unless my computer struggles! Stay tuned for insights and results.
Mastering Post-Processing with ParaView: A Beginner’s Guide to Visualizing OpenFOAM Simulations
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 CFD simulations. With the right guidance, you can significantly reduce the time it takes to master ParaView and quickly start visualizing your data. One...
Michelin Pilot Sport Cup 2 vs. Cup 2 R: How Much Faster is the Cup 2 R on Track?
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: 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
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? Tire shine products are designed to improve the appearance and protect the tires of a vehicle. They typically contain ingredients like silicones, oils, and solvents that work to give tires a shiny or matte finish and protect...
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!
3D Scanning & Reverse Engineering
Advancements in Driver Safety: HANS Devices and the SCHROTH SHR FLEX
Mar 15
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​

HANS Devices, Frontal Head Restraints, and the SCHROTH SHR FLEX​

  • Conclusion and Introduction:
    • In the world of motorsport, protecting a driver’s head and neck during high-speed crashes is paramount. Over the years, the introduction of HANS devices (Head and Neck Support) has revolutionized driver safety, becoming the gold standard in frontal head restraint (FHR) technology. These devices significantly reduce the risk of severe neck and head injuries during crashes by limiting head movement and preventing dangerous impacts that could lead to fractures or cervical spine damage.
    • However, as motorsport continues to evolve, so does the technology aimed at enhancing driver safety. SCHROTH SHR FLEX, an award-winning FHR system, has emerged as a competitive alternative, offering advanced features that prioritize safety, comfort, and ease of use. The SHR FLEX incorporates innovative elements...
Exploring Underbody Flow Management for the 991.2 GT3 RS Aero Kit: 3D Printing & CFD Analysis
Mar 13
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Hey everyone!

I’ve started working on the aero kit for the 991.2 GT3 RS, focusing specifically on managing the underbody airflow with some custom strikes. To ensure the fitment and functionality, I used a scan of the 991.2 GT3 RS as a base to model and 3D print some test pieces. These pieces will help us test the fitment before moving forward with more advanced design refinements.

Next step is to perform CFD (Computational Fluid Dynamics) analysis to further fine-tune the design and make sure we’re getting optimal performance. I’m excited to see how this project progresses and will be sharing updates as I go.

Anyone here worked on similar aero mods? Would love to hear your thoughts or experiences!
Aerodynamics & Aeroacoustics
Upcoming CFD Analysis of 991.2 GT3: Investigating Buffeting with Windows Down (OpenFOAM + Unsteady LES)
Feb 22
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Exciting analysis coming soon! I’ll be diving into a CFD simulation of the Porsche 991.2 GT3 with the windows down to explore buffeting effects. The analysis will be conducted using OpenFOAM, with an unsteady LES approach—unless my computer struggles! Stay tuned for insights and results.
Aerodynamics & Aeroacoustics
Porsche 992 GT3 / GT3 RS Valve Delete Modules
Feb 17
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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
Feb 13
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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...
Wheels & Tires
Fire-Resistant Apparel: A Closer Look at the Sabelt Laser TB-3 Racing Shoes
Feb 11
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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...
Race Apparel
Flame-Resistant Clothing for High-Performance Driving Days (HPDE)
Feb 06
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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...
Race Apparel
Exhaust Materials for Porsche GT3 RS: Titanium (Grade 5 Ti 6Al-4V) vs. Stainless Steel 304SS vs. 321SS vs. Inconel 625
Feb 01
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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
Jan 26
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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...
Computational Fluid Dynamics
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