Hey folks, I need some help with my car's rotor. I've been experiencing some issues and I'm not sure what the problem is. I did a drum spinning but the issue is still there. Any ideas on what else I can do? Also, what balancing equipment is good for rotor balancing?

When you say you did drum spinning, do you mean you resurfaced the rotors or checked them for warping? Sometimes, even after resurfacing, issues can persist if there are other underlying problems. What kind of symptoms are you experiencing exactly? Is it a vibration, noise, or something else? It'd help to know more about the symptoms. If the problem is vibration, it could be due to the rotors being out of balance or uneven wear. If it's noise, there might be an issue with the brake pads or calipers.

As for rotor balancing equipment, a good option is a dynamic rotor balancer. Brands like Hunter Engineering and Haweka offer reliable machines. They're a bit pricey but very effective. For balancing, I'd recommend the Hunter GSP9700. It not only balances the rotors but also diagnoses other issues like excessive runout and improper mounting. It might be worth getting a professional mechanic to look at it if you don't have access to this equipment. As well as other good equipment like Adash for example. Although i believe that it would always be better to have some good professionals to do this job by your side you know

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If your rotor is warped, it can cause vibration or a pulsing feeling that's not my neighbor when braking. A drum spin may not resolve this if the warping is significant.