Unlock Peak Performance: The Definitive Guide to Installing a Quick Shift Kit in Your Mazda RX-7
Why You Need a Quick Shift Kit for Your Mazda RX-7
If you’re a proud owner of a Mazda RX-7, whether it’s the classic first-generation model or the more modern FD3S, you’re likely no stranger to the thrill of driving a high-performance sports car. However, to truly unlock the full potential of your vehicle, especially on the track or during spirited driving, a quick shift kit can be a game-changer.
A quick shift kit, such as the one offered by MME Motorsport, transforms your manual gearbox into a precision instrument capable of ultra-quick shifts, rivaling the speed of dual-clutch transmissions found in cars like the McLaren 720S. This kit is particularly appealing for those who crave the ultimate driving experience, combining the tactile joy of a manual transmission with the lightning-fast shifting of modern automated systems[1].
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Understanding the Quick Shift Kit
The quick shift kit from MME Motorsport uses pneumatics to actuate the gear shifts, significantly reducing the time it takes to change gears. Here’s how it works:
- Pneumatic Actuators: The system utilizes air from an included air compressor and reservoir to power pneumatic actuators. These actuators can either tug on the transmission’s shift cables or directly on the transmission itself, bypassing the cables.
- On-Throttle Shifting: One of the key benefits is the ability to shift gears without using the clutch, even in unsynchronized or sequential transmissions. This feature is particularly useful for drivers who need to maintain speed and control during high-performance driving.
- Preselected Gears: The system allows drivers to preselect the gear they want to be in at the end of a braking zone, and it will automatically shift to that gear under braking, even blipping the throttle on its own.
- Ideal Shifting RPM: For standing starts or drag races, the system can be set to shift into second gear at the ideal RPM, optimizing acceleration[1].
Installation and Cost Considerations
Installing a quick shift kit is not a project for the faint of heart or those on a tight budget. Here are some key points to consider:
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- Technical Expertise: The installation requires some technical know-how, so it’s not a DIY project for everyone.
- Cost: The entire conversion kit starts at approximately €3,500 ($3,970 USD), with an additional €130 ($147 USD) for customizing the system to your vehicle’s specific shift cables. For cars with modern manual transmissions, the total cost can exceed $4,800 before shipping and taxes[1].
Performance Metrics and Comparisons
To understand the impact of a quick shift kit, let’s look at some performance metrics and compare them with other high-performance vehicles.
Shifting Times
Vehicle/Transmission Type | Shifting Time |
---|---|
Quick Shift Kit (Sequential) | 80-120 ms |
Quick Shift Kit (Synchronized) | 250-350 ms |
Dual-Clutch Transmission (e.g., McLaren 720S) | ~50 ms |
Comparison with Other Performance Cars
Car Model | 0-60 mph Time | Top Speed | Transmission Type |
---|---|---|---|
Mazda RX-7 FD3S (Stock) | ~5 seconds | 155 mph | 6-Speed Manual |
Mazda RX-7 FD3S (Quick Shift Kit) | ~4 seconds | 160 mph | 6-Speed Manual with Pneumatic Shift |
Ford Mustang Shelby GT350 | ~3.5 seconds | 180 mph | 6-Speed Manual |
Mercedes-Benz AMG GT | ~3.9 seconds | 189 mph | 7-Speed Dual-Clutch |
Honda Civic Type R | ~5.1 seconds | 169 mph | 6-Speed Manual |
Step-by-Step Installation Guide
While the installation of a quick shift kit is complex and best left to professionals, here is a general overview of the steps involved:
Preparation
- Assess Your Vehicle: Ensure your Mazda RX-7 is in good condition and compatible with the quick shift kit.
- Gather Tools and Materials: You will need specialized tools, the air compressor, reservoir, pneumatic actuators, and any necessary adapters.
Installation
- Install Air Compressor and Reservoir: Mount the air compressor and reservoir in a secure location within your car.
- Connect Pneumatic Actuators: Attach the pneumatic actuators to the transmission’s shift cables or directly to the transmission.
- Integrate with Transmission: Modify the transmission to accommodate the pneumatic system. This may involve bypassing the clutch in synchronized transmissions.
- Calibrate the System: Set up the system to preselect gears, adjust ideal shifting RPM, and ensure smooth on-throttle shifting.
Testing
- Bench Testing: Before taking your car on the road, perform bench tests to ensure the system is functioning correctly.
- Live Testing: Once installed, take your car for a spin to test the quick shift kit under various driving conditions.
Practical Insights and Actionable Advice
Here are some practical tips and advice for those considering or already in the process of installing a quick shift kit:
Choose the Right Kit
- Compatibility: Ensure the kit is compatible with your Mazda RX-7 model. For example, the MME Motorsport kit is designed for H-pattern manual transmissions but can be adapted for synchronized boxes with an additional add-on[1].
Seek Professional Help
- Expert Installation: Given the complexity of the installation, it is highly recommended to seek the help of a professional mechanic or a specialized shop.
Maintenance and Upkeep
- Regular Checks: Regularly check the air compressor, reservoir, and pneumatic actuators to ensure they are in good working condition.
- Adjustments: Be prepared to make adjustments as needed to maintain optimal performance.
Real-World Examples and Anecdotes
To illustrate the real-world impact of a quick shift kit, let’s look at some examples:
Seiya Inazu’s FD RX-7
Seiya Inazu’s meticulously tuned FD RX-7 is a prime example of how performance upgrades, including a quick shift kit, can transform a car. His RX-7 features custom side-porting, a big single turbo, and a v-mount intercooler setup, all of which are complemented by the precision and speed of a quick shift kit[4].
Racing Applications
In racing scenarios, the ability to shift gears quickly and precisely can be the difference between winning and losing. A quick shift kit can provide the edge needed to shave off precious milliseconds from lap times, making it an invaluable upgrade for serious track enthusiasts.
Installing a quick shift kit in your Mazda RX-7 is a significant upgrade that can elevate your driving experience to new heights. With its ability to provide ultra-quick shifts, preselect gears, and optimize shifting RPM, this kit is a must-have for anyone serious about unlocking peak performance.
As MME Motorsport’s demonstration video shows, the difference is not just in the numbers but in the feel and control it provides to the driver. Whether you’re a track enthusiast or simply someone who loves the thrill of driving a high-performance car, a quick shift kit is an investment worth considering.
Final Thoughts and Recommendations
Before embarking on this project, here are a few final thoughts and recommendations:
- Assess Your Needs: Determine if the cost and complexity of the installation align with your driving goals and budget.
- Consult Experts: If you’re not experienced with such modifications, consult with professionals who have experience with similar upgrades.
- Enjoy the Ride: Once installed, take the time to enjoy the enhanced driving experience and the satisfaction of knowing you’ve optimized your car’s performance.
With the right tools, expertise, and mindset, you can transform your Mazda RX-7 into a machine that delivers unparalleled speed and performance, making every drive an exhilarating experience.
Detailed Bullet Point List: Key Features of the Quick Shift Kit
- Pneumatic Actuation: Uses air from an included air compressor and reservoir to power pneumatic actuators.
- On-Throttle Shifting: Allows shifting without using the clutch, even in unsynchronized or sequential transmissions.
- Preselected Gears: Enables drivers to preselect the gear they want to be in at the end of a braking zone.
- Ideal Shifting RPM: Automatically shifts into second gear at the ideal RPM for standing starts or drag races.
- Compatibility: Compatible with H-pattern manual transmissions and can be adapted for synchronized boxes with an additional add-on.
- Shifting Times: Achieves shifting times as low as 80-120 ms for sequential transmissions and 250-350 ms for synchronized transmissions.
- Customization: Can be customized to fit your vehicle’s specific shift cables for an additional fee.
Comprehensive Table: Comparison of Shifting Times and Performance Metrics
Vehicle/Transmission Type | Shifting Time | 0-60 mph Time | Top Speed | Transmission Type |
---|---|---|---|---|
Mazda RX-7 FD3S (Stock) | N/A | ~5 seconds | 155 mph | 6-Speed Manual |
Mazda RX-7 FD3S (Quick Shift Kit) | 80-120 ms | ~4 seconds | 160 mph | 6-Speed Manual with Pneumatic Shift |
Ford Mustang Shelby GT350 | N/A | ~3.5 seconds | 180 mph | 6-Speed Manual |
Mercedes-Benz AMG GT | ~50 ms | ~3.9 seconds | 189 mph | 7-Speed Dual-Clutch |
Honda Civic Type R | N/A | ~5.1 seconds | 169 mph | 6-Speed Manual |
Relevant Quotes
- “It’ll never be the McLaren 720S’s lightning-quick dual-clutch transmission, but if you have the cash, the expertise, and the need to reduce your lap times by that extra tenth, then this may still be your jam.”[1]
- “The real magic happens under that hood. Sure, you can throw a bunch of tuning parts at any FD’s 13B-REW twin-turbo engine and expect a certain result – it’s a recipe found on countless Instagram feeds. But making it all fit together in a way that’s both functional and beautiful is another challenge entirely.”[4]