Works good for dirt and asphalt applications. It is an ingredient is some paint strippers. It was a home made brew of 1/3 acetone, 1/3 mineral spirits, and 1/3 ATF. This is because your go-kart is most likely a rear wheel drive and its the rear tires that provide you with the most amount of traction on the track. Wipe externally repeatedly as it dries, roll em externally with a pan, or add some heat..all work well. Racehead..We race karts here in the Southeast United States and have to soften tires sometime. Siping seems to help dissipate the heat from the center of the tire under those conditions. NMP = N-methylpyrolidone, boiling point 400F. Instruments online ordering. With the inside prep in place you should roll the tires for a minimum of 12 hours for the prep to completely go into the tire. Item Number: #5-GP-QT. ATF therefore gets it deeper. Using a tire prep formula can ultimately save you a few tenths of a second per lap, which definitely adds up throughout the race. Or should I switch to something else? barluc99 Member. Thats why we sipe across the tread blocks on the rear tires, and around the circumference of the front tires., Harris: Siping doesnt change the tires durometer reading, but it helps make a medium-compound tire heat up and act like a soft-compound tire. At first, identifying the number of coatings and how much to apply can be hard, but youll get used to it after a few times. Is this acceptable? Youll want a tread thats all cut up so it can move around, build heat fast, and give you some bite. These resins work to the surface and you get that shiny, glazed look and a slicker surface if the tire cools off during a caution or between races. Come with us today and find out how we prep our race car tires. A few ounces of #12 inside the tire will also Got a question for you guys. Whats the recommended procedure when using suntan lotion for carpet tires.like how long do you leave the stuff on? Promoting, selling, recruiting, coursework and thesis posting is forbidden. Apply mixture to tires using rag or a paint roller. Fortunately, making tire softener is an extremely simple process. wd40 will drop the duro. We will discuss some tips and tricks along the way any questions of course ask and you shall . In this case, you may want to scuff your tires or apply a thicker layer of tire prep formula. I dont really care about the grinding patternI just want that shiny surface off the tread., Kent Arment, WISSOTA 2001 late model and modified champion, 2004 late model champion, 2005 modified champion: I use a 60-grit and try to make the tops of the blocks flat across the surface of the tread. This will soften the rubber to create the effect you need. Cleaning them also helps you spot pinhole leaks that youd otherwise miss. You can make your own tire softener at home by combining a number of ingredients. I stored them in my garage on their side and took the air out of them. You can overwork a tire and hurt yourselfthats a risk you take. Instead of applying it in one application, you can apply half or a third of the required amount in 2 or 3 separate applications. Now that we have covered tire and rim selection we will move to preps. 270-703-2772 6pm-9pm Central Now that you have chosen the prep you feel is best suited for your track conditions lets discuss the amounts to use. There have been times when I had to run a brand-new, un-ground tire on the right rear, and I could definitely tell it took three or four laps longer for it to fire than the tires that were already ground and broken in., Norris: [You know] those deals where theres a crewman grinding tires between trailers, and you cant see the guy from all the rubber smokethats a bad deal. Using a homemade tire prep. for a deeper penetration of Goat Pee or Wintergreen. Norris: Siping really isnt for traction, its for heating, but the little edges do play a role in traction. However, it still works very well if you follow the recommended instructions from the manufacturer. #2 Tire Cleaner - will soften a tire Well go more into the details a little bit later. The tire-and-wheel assembly is mounted on an electrified wheel turning unit, which slowly rotates the tire and allows precise control of the grinding process. It is best to do this two to three days before a race. by hotrod Wed Oct 25, 2006 6:30 pm, Post Here he uses a fine-to-medium grinding wheel while applying minimal pressure. Quart - $27.95. Item Number: #12-WG-1QT. If that tire is smoking, its too hot. New Engineer jobs added daily. the certain oils that the lotion contains is comparable to the natural oils that rubber tires have = grip. Walk over and peek under the covers they often place over their tires between races. Remember, Keep it between the ditches and we will see you at the track!! Either way, I'd give it several hours to soak in (so obviously do this before 6 o'clock Sunday night). to dry between coats. Say theres a D55 tire rule and the track is muddy for the heats. Youre able to calculate this by understanding what type of track youre dealing with and the current state of your tires. Speedy 500 can applied externally in coats with a brush or Heat will greatly accelerate the absorption of any softener (solvent, plasticizer, same thing) into rubber. one to several coats of #12 Wintergreen with a brush or roller allowing Its quite evident that sandpaper creates more friction, thus getting a better grip. When it comes to applying the tire compound, you have a choice between three different methods. You do not want to get them near the tire cords. Sometimes you can actually see a change in the color of the tread [compared to the rest of the tire]. This means for a low bite track, its common to apply a little more than average. You can use it by running the sander against your rear tire. In the meantime you can check us out onFacebook,Twitter,Instagram,LinkedIn, andGoogle+. On that type of track we really don't need to soften much, adding grip to the tire is what we are after most of the time. I would do the hard burn-out that you described. Cover your tires in a second coat and let them air dry again. Always consult the manufacturer before mixing any tire preps or just before you go on the track. Try spraying them down with a decent amount of wd40 the. Thats what some guys who I trust told me, and Im happy with the way they work. Since the season is starting I went and the old finger nail into tread to see if they were still soft. My attitude is that Im always there to win, and Im not going to let a few cents worth of rubber keep me from giving my driver the best car I can., Johnson: It makes a difference if you wash your tires between race nights. Make your selection in the pick box at the bottom of Should soften them up a bit. ASK ME ABOUT FOCARS: Just curiousWhy do you say never on carpet? Sharp edges are what give you bite., Mateer: Factory edges seem to hold up better than grooving iron-edges. It really helps to deepen that factory groove around the edge, especially when theres a cushion. We all know that most preps are very similar and use basically the same ingredients and we also know we could theoretically get it right with a visit to the paint store. durometer considerably. Different types of track surfaces have different levels of grip. Soak the tires in water first. Apply as many coats as desired, allowing the tire to dry between each coat. But they don't let it sit as long as ATF. We suggest you go with an inside and outside prep from the same manufacturer, this will assure the preps are compatible. We commonly use 10 X 6 rims for the right side tires, 8.5 x 6 for the left rear tire, and a 6.5 x 6 for the left front tire. Its impossible for tire companies or race teams to run controlled tests and definitively say that grinding, siping, or grooving tires in a specific pattern or to a specific depth gives specific amounts of additional traction, heating, cooling, or tread life. As a rgion, it encompassed the southeastern dpartements of Loire, Rhne, Ain, Haute-Savoie, Savoie, Isre, Drme, and Ardche. You should also consider the condition of your tires. I suggest you try a paint stripper that contains NMP. just a bit on its own but really shine in opening the pores of the rubber adhesion effect. In 2016 the Rhne-Alpes rgion was joined with the rgion of Auvergne to form the new administrative entity of Auvergne-Rhne-Alpes. Look at the dozens of prep manufactures out there. for dirt i would use wintergreen on tires it cleans them and softens them. How often should I be prepping the old tires with this stuff?? Or maybe they needed to be cut up more so they stayed open. Its a deal where you have to experiment, see what happens, and learn how to read your tires., Hampshire: Some guys resist grinding tires because they think theyre reducing the tires life expectancy. "Throttle till you see God, then brake like hell". marginal tracks when used in conjunction with other preps. SG is a cleaner , not a prep. Be sure to create mixture in a well-ventilated area. Then tightly wrap them in cling wrap for a couple days. Located in a very diverse region rich in assets, not only geographically (relief, climate), but also economic and human, the Lyon-Grenoble Auvergne-Rhne-Alpes is the latest INRAE centre to be created. used wd40 a lot back in the day along with Gojo cream hand cleaner (non gritty). Time M-Th, 8am-Noon Sat Circle Track magazine did an article and a test . In the Lyon and Grenoble metropolitan areas, and the Haute-Savoie department, INRAE units contribute to research activities at the Lyon-Saint-Etienne, Grenoble-Alpes, and Savoie Mont Blanc . by MileHighMan Wed Oct 25, 2006 9:32 pm, Powered by phpBB Forum Software phpBB Limited, Shocks, Springs, Brakes, Frame, Body Work, etc. While the tires are drying, its vital that they dont make any contact to the ground. I know a handful of people who make their own prep. Copyright 2023 Leaf Group Ltd. / Leaf Group Media. 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. Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. racehead (Automotive) (OP) 14 Jan 09 18:04. thanks guys ill have alook around see if i can get hold of . It is too easy to ruin a set or multiple sets using home brews. Grooving is a third form of mechanical tire preparation that uses a special heated tool to cut additional grooves in a tires tread. The larger the tread block, the more it retains heat once it gets warmed up. Good driver .new tires.we are fast. I race, build, mod, & discuss go-karts whenever I find the time. They will lead you in the right direction and already know the effects of each prep they use. When used wrong you are hurting your tires with SG, along with getting the dirt out of the pours your also taking the oils = grip out of the tire as well. It is necessary for tires to be soft, as stiff, dry tires can negatively impact performance, which is especially important when considering racing cars. Put it in a spray bottle, and hit the tires with it. You should apply 4 ounces on the outer tire and 3 ounces on the inner tire. thanks guys ill have alook around see if i can get hold of some of this nmp. // -->