convert brake drums to rear disc

Converting Brake Drums to Rear Discs A Comprehensive Guide

Upgrading your vehicle’s braking system is one of the most transformative modifications you can make. Among various upgrades, converting from traditional rear brake drums to rear disc brakes is a popular choice among automotive enthusiasts. This shift not only improves braking performance but also enhances the overall driving experience. In this article, we will explore the benefits, the conversion process, and factors to consider when transitioning from drum brakes to disc brakes on the rear axle.

The Benefits of Converting to Rear Disc Brakes

1. Improved Stopping Power Disc brakes typically offer superior stopping power compared to drum brakes. This is primarily due to their design, which allows for better heat dissipation. During prolonged braking, drums tend to heat up, leading to brake fade. Discs, on the other hand, maintain their performance under the same conditions, providing more consistent stopping power.

2. Better Wet Weather Performance In wet conditions, disc brakes perform significantly better than drum brakes. Water can easily accumulate in and on the drum, whereas discs are exposed and shed water more easily. This ensures that your braking performance remains reliable, regardless of the weather.

3. Reduced Maintenance Drum brakes consist of more components, which can wear out over time and require more frequent maintenance. Converted disc brakes tend to have a simpler design and less wear, translating into fewer trips to the mechanic and lower overall maintenance costs.

4. Lower Weight Rear disc brake systems generally weigh less than their drum counterparts. This reduction in weight can slightly improve fuel efficiency and enhance the vehicle's handling characteristics.

5. Aesthetic Appeal Many enthusiasts find disc brakes more visually appealing than drum brakes. The exposed discs, especially when paired with stylish calipers, can contribute to a sportier look that enhances the overall aesthetic of the vehicle.

The Conversion Process

1. Assess Compatibility Before proceeding, ensure that your vehicle can accommodate the conversion. Not all vehicles have a straightforward upgrade path due to differences in suspension and frame design. Research is crucial to determine compatibility with existing components.

2. Gather Required Parts Successful conversion requires several components, including

- Rear disc brake assemblies (rotors, calipers, pads) - Mounting brackets - Hoses or lines (if applicable) - Proportioning valve (to balance braking force) - Any custom adaptors if necessary

3. Remove the Old Drum Brake System Begin by lifting your vehicle and removing the wheels. Detach the drum, brake shoes, and other associated components. Ensure you label everything for easy reassembly if needed.

4. Install the New Disc Brake System Begin installing the new rear disc brakes by mounting the rotors and calipers according to the manufacturer’s specifications. Make sure all components are secure.

5. Brake Lines and Fluid Reroute or replace brake lines if necessary to accommodate the new setup. It’s essential to bleed the braking system to remove air and ensure effective operation.

6. Testing After installation, it’s crucial to test your new braking system. Perform a gradual test drive, starting at low speeds, to familiarize yourself with the new brake response. Be sure to check for any leaks or unusual sounds.

Considerations

1. Cost While the conversion can significantly enhance performance, it may also come with a notable price tag. Weigh the costs against the benefits and your budget.

2. Professional Help If you lack experience with brake systems, consider consulting with a professional mechanic. Proper installation is critical to ensure safety and reliability.

3. Brake Bias Be mindful that converting to rear disc brakes may alter your vehicle’s brake bias. It’s advisable to adjust the proportioning valve if required to ensure balanced braking.

Conclusion

Converting from rear drum brakes to disc brakes is a worthy investment in both performance and safety. With many tangible benefits, including improved stopping power, maintenance ease, and aesthetic enhancements, it’s an upgrade that many driving enthusiasts should consider. By following a careful, well-researched approach, you can enjoy the advantages of modern braking technology and ensure a safer, more enjoyable driving experience.