SP 9000 cleaning???
Dunlop says:
http://www.dunloptire.com/tiretech/tirecare.html
DO NOT APPLY SIDEWALL DRESSINGS/CLEANERS. Dunlop sidewalls are specially compounded to resist ozone cracking or weather checking.
SIDEWALL TREATMENTS. Use a mild soap solution to clean sidewalls, white striping or lettering, and rinse off with plain water. Instruct service personnel and customers never to apply any other material to enhance sidewall appearance. These may degrade rubber and remove inherent ozone resistance.
What is the Zaino crowd opinion?
Just my .02



