View Single Post
Old 01-01-2019, 06:52 AM   #18
rastta
Registered User
 
rastta's Avatar
 
Join Date: Feb 2014
Location: Cowtown CA
Posts: 369
Quote:
Originally Posted by Topless View Post
FWIW, rotor judder is generally from uneven hot pad transfer to the rotors. This is usually caused by failing to take a nice easy cool down lap or an easy drive down paddock row to cool the rotors down before stopping the car. I had this problem with Pagid Yellows and it got really bad but in hindsight, it was probably my cool down habits, not the pads fault. I cool down for at least 2 miles now and have never had another problem.

The best high heat pads I have used are Raybestos ST-43 custom cut from Porterfield. Excellent modulation, heat management, and they last 20+ track days. I have run these pads for about 7 years now and love them. Downside: They squeal like a school bus when cold.
Judder can also occur when you have two incompatible brake compounds on the same rotor. Ceramic and metallic compounds don't mix well and some metallics don't work well together either.
rastta is offline   Reply With Quote