I had a great online conversation the other day with a few race fans (thanks, guys) regarding illegal tire prep and testing for tire cheating. About eight weeks ago I had the opportunity with some other track officials to do some in-depth research into tire prep chemicals and how test for those using it. My research took me to the World Karting Association (WKA). For those that don’t know, the WKA has been dealing with tire prep issues for over a decade and have done more research into the MORE