Rover SDI Wheel & Pinion for Classic Cars

Designed by the same team who brought us the Range Rover, the SD1 brought the look of Italian “exotica” to a British executive “express.”

Produced from 1977 to 1986, just over 300,000 units were produced. Still a popular classic racer and an appreciating collectable. With this in mind, NTG are producing crown wheels and pinions for the SD1 in various ratios. These components are available directly from stock. For more detailed information on axle ratios and part numbers, please visit our website.

If you would like to order this product, please contact us on +44 (0) 1241 872626

Rover SDI all ratios £589.80 ex. VAT includes UK shipping

• Triumph Stag 455.52
• English 7″ Axle 355.44

Frequently Asked Questions

What is the function of the crown wheel and pinion in a Rover SDI?

The crown wheel and pinion in a Rover SDI are crucial components of the car’s differential. They work together to transfer the engine’s torque from the gearbox to the wheels, allowing for smooth and efficient power distribution, especially when turning.

How do different crown wheel ratios affect the Rover SDI’s performance?

Different crown wheel ratios can significantly impact the Rover SDI’s performance. A lower ratio can enhance acceleration, making the car quicker off the line, while a higher ratio can improve top-end speed and fuel efficiency by reducing engine RPM at cruising speeds.

Which crown wheel ratio is best for a Rover SDI Vitesse?

For a Rover SDI Vitesse, a crown wheel ratio of 3.45:1 is often recommended. This ratio offers a balanced performance, providing both good acceleration and a reasonable top speed, making it ideal for both road and race conditions.

Can I upgrade my Rover SDI’s wheel and pinion setup?

Yes, upgrading your Rover SDI’s wheel and pinion setup is possible. By selecting a different crown wheel and pinion ratio, you can tailor the car’s performance to better suit your driving style or specific needs, such as racing or improved fuel efficiency.

Do tyres and wheels affect the performance of the crown wheel and pinion?

Yes, tyres and wheels can influence the performance of the crown wheel and pinion. The size and type of tyres and wheels can alter the effective gear ratio, affecting acceleration, handling, and overall vehicle dynamics.

Where can I purchase crown wheel and pinion components for my Rover SDI?

You can purchase crown wheel and pinion components for your Rover SDI from specialised automotive parts suppliers like NTG. They offer a range of ratios and stock parts for immediate purchase. For more information, visit their website or contact their support team directly.