Unlock Your Nissan 350Z’s True Potential: A Comprehensive Guide to Installing an Adjustable Rear Suspension Kit for Superior Track Performance
Why Upgrade Your Suspension?
When it comes to enhancing the performance of your Nissan 350Z, especially for track use, the suspension system is one of the most critical components to focus on. The stock suspension, while adequate for everyday driving, often falls short when pushed to the limits of racing and drifting. Upgrading to an adjustable rear suspension kit can significantly improve your car’s handling, stability, and overall driving experience.
Understanding the Components of an Adjustable Rear Suspension Kit
Before diving into the installation process, it’s essential to understand the key components of an adjustable rear suspension kit and how they contribute to improved performance.
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Lower Control Arms
Lower control arms are crucial for maintaining the correct camber and caster settings. Kits like the Mega Mantis Suspension Upgrade Kit from FDFRaceshop feature adjustable lower control arms made from high-strength alloy steels, allowing for on-car fine-tuning of camber and caster[1].
Upper Control Arms
Upper control arms work in conjunction with the lower control arms to ensure proper alignment and suspension travel. Adjustable upper control arms provide the flexibility to adjust caster settings, which is vital for optimal steering response and stability.
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Coilovers
Coilovers are a fundamental part of any performance suspension kit. They offer adjustable damping and ride height, allowing you to tailor the suspension to your specific driving needs. For example, Silver’s NEOMAX Coilovers are highly praised for their adjustability and high-quality construction, making them an excellent choice for both track and street cars[2].
Rack Spacers and Tie Rods
Rack spacers and extended tie rods help in achieving the right steering geometry. Kits often include forward offset rack spacers to correct bump steer and ensure smooth steering input[1].
Preparing for the Installation
Tools and Equipment Needed
- Socket set
- Wrench set
- Jack and jack stands
- Wheel chocks
- Safety glasses
- New brake lines (if necessary)
- Wheel spacers (if desired)
Choosing the Right Kit
When selecting an adjustable rear suspension kit, consider the following factors:
- Material Quality: Look for kits made from high-strength materials like alloy steels and Chromoly heim joints.
- Adjustability: Ensure the kit offers adjustable camber, caster, and ride height settings.
- Compatibility: Verify that the kit is specifically designed for your Nissan 350Z model.
- Customer Reviews: Check for reviews and feedback from other users to gauge the kit’s performance and reliability.
Here is a detailed comparison of two popular suspension kits:
| Feature | FDFRaceshop Mega Mantis Kit | Silver’s NEOMAX Coilovers |
|---|---|---|
| Material | Alloy steels, Chromoly heim joints | High-quality steel, 7075 aluminum |
| Adjustability | Camber (-3 to -6), Caster, Ride Height | Damping, Ride Height |
| Roll Center Correction | 40mm roll center correction | Stock roll center or adjustable |
| Track Width | 50-75mm wider per side | Adjustable depending on coilover setup |
| Suspension Travel | Long travel range, full lock to full lock | Long travel range, adjustable |
| Joints | Chromoly heim joints, spherical bearings | High-quality shock absorbers |
Step-by-Step Installation Guide
Removing the Stock Suspension
- Raise the Car: Use a jack and jack stands to lift the car, ensuring the rear wheels are off the ground.
- Remove the Wheels: Take off the rear wheels to access the suspension components.
- Disconnect the Brake Lines: If your new kit requires new brake lines, disconnect the old ones carefully.
- Remove the Stock Control Arms: Use a socket set to remove the bolts holding the stock control arms in place.
Installing the New Suspension Kit
- Install the Lower Control Arms:
- Bolt the new lower control arms to the chassis, ensuring they are securely fastened.
- Adjust the camber settings according to the manufacturer’s instructions.
- Install the Upper Control Arms:
- Attach the upper control arms to the knuckles and adjust the caster settings as needed.
- Install the Coilovers:
- Mount the coilovers to the chassis and knuckles, ensuring proper alignment.
- Adjust the ride height and damping settings to your preference.
- Install Rack Spacers and Tie Rods:
- Add the forward offset rack spacers to correct bump steer.
- Install the extended tie rods to ensure proper steering geometry.
- Reconnect the Brake Lines:
- If new brake lines were installed, reconnect them securely.
- Reinstall the Wheels:
- Put the rear wheels back on and lower the car to the ground.
Tips and Considerations for Optimal Performance
Alignment and Adjustments
After installation, it’s crucial to get a professional alignment done to ensure all settings are correct. Here are some tips for fine-tuning your suspension:
- Camber Settings: Optimize camber settings to counteract caster at full lock. For example, the Mega Mantis Kit recommends -5.5 degrees of camber[1].
- Caster Settings: Adjust caster settings to achieve optimal steering response. Displaced caster built into the knuckle can provide optimal alignment force[1].
- Ride Height: Adjust the ride height to achieve the desired stance and clearance. Ensure it is within the recommended range to avoid compromising suspension travel.
Additional Modifications for Enhanced Performance
- Wheel Spacers: Installing wheel spacers can help achieve the desired track width and improve stability. For instance, GKTech 1″ wheel spacers can be used for both front and rear[3].
- Sway Bar: Upgrading the sway bar can further enhance handling and reduce body roll.
- Air Intake and Exhaust: Improving airflow with a high-performance air intake and exhaust system can complement the suspension upgrades by enhancing overall engine performance.
Real-World Examples and Testimonials
Zoe’s Drift Build
Zoe, a drift enthusiast, shared her experience with upgrading her 2003 Nissan 350Z:
“I bought my 350Z with several mods already done, but I knew I needed more to take it to the next level. I installed the ISR Pro Performance True Type Coilovers, Gktech Super Lock Control Arms, and a V1 Angle Kit. The difference was night and day. The car handles so much better now, and I can push it harder without losing control”[3].
Silver’s NEOMAX Coilovers Review
A user of Silver’s NEOMAX Coilovers on a 1988 Corolla GTS praised the kit:
“I bought these as a replacement for my stock suspension. The performance is unreal. Once I got them adjusted and dialed in, they really aren’t that bad and pretty comfortable. Along with properly maintained other suspension pieces, these make a really competent handling car”[2].
Upgrading your Nissan 350Z’s rear suspension is a significant step towards unlocking its true potential for track performance. By choosing the right kit, following a detailed installation guide, and fine-tuning the settings, you can achieve a driving experience that is both exhilarating and safe.
As one enthusiast noted, “You get what you pay for.” Investing in a high-quality adjustable rear suspension kit may seem costly, but the improvements in handling, stability, and overall performance make it well worth the investment.
Remember, the key to superior track performance is not just about the parts you install, but also how well they are integrated and adjusted to your specific driving needs. With the right suspension kit and a bit of tuning, your Nissan 350Z can become a formidable track car that delivers an unparalleled driving experience.
