The majority of the preps out today are all the same, made by the same company just labeled different. Apply
1. Either way, I'd give it several hours to soak in (so obviously do this before 6 o'clock Sunday night). Applying tire prep formula on your go-kart tires is fairly simple, however there are a few steps that you need to take into consideration before you start. Be careful when putting it on you can make the tire so soft its almost melting. Fortunately, making tire softener is an extremely simple process. Best and fastest tire softening method | Bob's 4 Cycle Karting Testing with a pyrometer immediately after a run to see if temperatures are relatively equal across the tread would provide quantitative evidence to support his seat-of-the-pants opinions. Like I said, you can easily go too far, so don't get carried away. INRAE center Lyon-Grenoble Auvergne-Rhne-Alpes You can either use a spray, a brush or a roller. When choosing a prep combination call the manufacturer to make sure it is recommended for your track conditions. It is best to do this two to three days before a race. The drying process allows the formula to penetrate your go-kart tires and the surface area to dry. Bob Hampshire, long-time sprint car owner and crew chief, member of the National Sprint Car Hall of Fame: I think siping can help a tire heat up and help it cool down.