Design process for our groundbreaking Quick-Change Differential. 10" & 8" Variants.

We are excited to share that Speedtek Auto Racing is fully immersed in the design process for our groundbreaking Quick Change Differential.

This ambitious project is taking shape, with 3D drawings for the 10-inch differential already well underway. As always, we’re adding unique Speedtek touches to make our product stand out in both functionality and versatility.

Our 10-inch quick change differential will feature:

• Multiple axle flange compatibility:

• The original 108mm, 6-bolt Porsche-style axle flange for traditional applications.

• A 6-bolt Nissan-style flange compatible with the GT-R platform (R32, R33, R34) and Z33/Z34 models.

This dual-flange option ensures a wider range of compatibility, making our differential a more attractive and versatile choice compared to current market offerings.

Introducing the Compact 8-Inch Quick Change Differential

The 8-inch variant is where this project really shines. Designed to be compact and lightweight, it will cater to vehicles requiring smaller setups while still delivering exceptional performance. The compact design ensures better ground clearance and suitability for more vehicle platforms.

Key features of the 8-inch quick change differential:

• Flange compatibility: Choose between the Nissan 6-bolt axle flange or the original Porsche 6-bolt 108mm flange.

• Weld-in/bolt-in flange kits: We will offer these kits to make installation seamless for Nissan platforms and potentially expand compatibility to other platforms in the future (BMW,Toyota etc)

To provide a complete bolt-in solution, we are seeking 3D scans of specific subframes to design precision laser-cut flanges.

If you have access to detailed 3D drawings of the following subframes, we’d love to collaborate with you:
• S13 Silvia
• S14 Silvia
• Z33 350Z
• Z34 370Z

In return, contributors will receive a free 8-inch Quick Change Differential upon completion of the project.

This is a unique opportunity to be part of this exciting development and secure a next-generation differential for your build.

www.speedtekautoracing.com

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