if(MSFPhover) { MSFPnav11n=MSFPpreload("_derived/lube-autoracingoil.htm_cmp_needforspeed010_hbtn.gif"); MSFPnav11h=MSFPpreload("_derived/lube-autoracingoil.htm_cmp_needforspeed010_hbtn_a.gif"); } For a while youre running on those little edges that roll over under pressure, and its like running on marbles. Wrap the tires in foil until before the race. next evolution was acetone and transmission fluid. As previously explained, the lower the bite of a track, the more tire prep formula you should apply. Wayne Harris, Day Motorsports: First and foremost, if guys are going to mechanically prep their tires, they need to get a pyrometer and record tire readings to see how siping, grinding, or grooving affects tire temperatures. What prep and how would you recommend for a clay but sandy track track. Use small amounts at a time to avoid wasting the tire softener. Race tracks have different types of bite. 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. https://www.patreon.com/Oldnumber7 Check us out on Instagram https://www.instagram.com/old_no7_garage/ Follow us on Facebook!https://www.facebook.com/oldno7garage/ If you have any questions, or would like to sponsor the Old No.7 Garage team, email us [email protected] youd like to send us anything P.O. I prefer to use a brush, as it ensures that I can evenly coat the tire surface and it also doesnt get messy. However, there is also another method of doing this. New tires usually have less grip as they are smoother and have less traction. I think the heat of the grooving iron does something to the rubber on the edges of the grooves. Make your selection in the pick box at the bottom of Lyon is France's third-largest city and a major tourist destination. Mechanical preparation of tire treads is an inexact science because of the variable nature of dirt tracks. 270-703-2772 6pm-9pm Central to give other preps further saturation. What is a good homemade tire prep | Bob's 4 Cycle Karting PM was sent and I replied to your other post. After warming up, if not better, sell'em at the swap-meet. That movement creates heat, which can be your friend for traction but your enemy for wear., Steve Norris, crewman and tire prep for dirt late model driver Billy Moyer for over 20 years: Siping makes a tire fire quickerget up to temperature faster. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. You can also wrap the tires in plastic for a You dont need to move your tires, as they will automatically spin when the belt sander is running. I never leave my tires outside, exposed to sunlight. racehead (Automotive) (OP) 14 Jan 09 18:04. thanks guys ill have alook around see if i can get hold of . 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. So, I'd pick a program that's known to work locally, or simple to learn and start over with the new tires. JMO. They thought they could make something as good as or better than what was already available. How to Tire Prep for Go-Kart Racing: A Complete Guide Keep in mind it takes most inside prep 2-3 days to completely pull through the tire. Best Things to Do in Auvergne Rhne-Alpes, France by -MARK- Wed Oct 25, 2006 5:24 pm, Post I have a set of 26x10's that are a yr old. What we willingly pay for is the advise and knowledge of the guys we buy from. 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. 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. To see go-kart tire scuffing in action, you can take a closer look at this video. Apply one to several coats of #12 Wintergreen with a brush or roller allowing to dry between coats. Or should I switch to something else? Siping is the practice of using a thin blade to slice slits in a tires tread. The drying process allows the formula to penetrate your go-kart tires and the surface area to dry. Im trying to get rid of the release agent that the manufacturer uses to make the tires easier to remove from their molds. [email protected]. For a better experience, please enable JavaScript in your browser before proceeding. Fewer and shallower sipes, or even no sipes at all, are preferred for dry-slick conditions. Good Luck. by MileHighMan Wed Oct 25, 2006 9:32 pm, Powered by phpBB Forum Software phpBB Limited, Shocks, Springs, Brakes, Frame, Body Work, etc. Experiment with other homemade tire softener recipes, such as mineral spirits and diesel fuel. RCI TNT 5000X (1 gal) Suitable For: Asphalt: Yes Concrete: Yes Dirt: Yes Buy on Amazon Another great tire prep formula for go-kart racing is the RCI TNT 5000X. In this case, you may want to scuff your tires or apply a thicker layer of tire prep formula. This tire and rim setup will give approximately 1.25 to 1.5 front stagger, and .750 to 1 rear stagger. Thor Oil and Tire Using a homemade tire prep. Scuffing increases grip, especially at the beginning of a race, when you need it the most. This will soften the rubber to create the effect you need. Wipe externally repeatedly as it dries, roll em externally with a pan, or add some heat..all work well. Today's top 343 Engineer jobs in Grenoble, Auvergne-Rhne-Alpes, France. By joining you are opting in to receive e-mail. Here he uses a fine-to-medium grinding wheel while applying minimal pressure. Copyright 2017 Traction Media LLCWebsite Proudly Powered By Nitro Designs. For a better experience, please enable JavaScript in your browser before proceeding. Always use protective clothing, as these chemicals can be harmful to the skin. 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. You may have a right rear thats within a degree or two of 220 degrees all across its tread but a left rear thats uniformly 200 degrees across its treadthats fine because those tires are under different loads. 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. NMP is relatively environmentally friendly. durometer considerably. INRAE center Lyon-Grenoble Auvergne-Rhne-Alpes Both are used instead of ATF to help preps like xylene sit on the tire longer before evaporation. It may not display this or other websites correctly. This customization is making your tires sticky. My goal with this site is to share valuable go-kart racing information through guides, articles, reviews, track details and more. If that tire is smoking, its too hot. 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. If you are using worn tires for your race, you may require less, as they already have good traction on the track. Youll need to move all four of them when you apply the tire prep formula. As the surface of dirt isnt as firm as asphalt or concrete, a general rule you can use is to either apply an additional layer or increase the application amount by about 25 50%. For example older asphalt tracks with more rubber deposits tend to have a high bite than standard concrete tracks. Founded 2,000 years ago, Lyon's streets are a living museum, with beautiful historical buildings and interesting art galleries and museums. Not the fastest .just wanna be competitive. It is a clay track but extremely sandy in the turns. Keep in mind it takes most inside prep 2-3 days to completely pull through the tire. In the meantime you can check us out onFacebook,Twitter,Instagram,LinkedIn, andGoogle+. Racers who grind, sipe, groove, or otherwise modify tires should recognize that any tire alteration frees the manufacturer from legal responsibility for the tires safety, performance, or durability. If you retain any of your tire softening mixture, be sure to label it appropriately. 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 . Look at the dozens of prep manufactures out there. This means for a low bite track, its common to apply a little more than average. DRC21 Member. Apply mixture to tires using rag or a paint roller. Next take the rags soaked in kerosene and wrap them around the tires. Should soften them up a bit. You can overwork a tire and hurt yourselfthats a risk you take. Submerse the rag or roller lightly in the tire softener and apply the mixture to the whole surface area of the tire. As with any chemicals, use proper protective gear such as gloves and safety Be sure to create mixture in a well-ventilated area. But they don't let it sit as long as ATF. let dry the follow up with GP or WG as normal. Keep using this stuff on the old set till I get my new set then switch to something else?? They need to get a probe-type pyrometer, rather than an infrared one, and they need to check their tires as soon as they come off the track. Youll want a tread thats all cut up so it can move around, build heat fast, and give you some bite. It is necessary for tires to be soft, as stiff, dry tires can negatively impact performance, which is especially important when considering racing cars. It really helps to deepen that factory groove around the edge, especially when theres a cushion. It's a very versatile prep that can be cut and mixed with others as needed to seek a desired effect per track conditions. Deep and frequent sipes allow tire treads to flex, build heat and fire more quickly on heavy tracks, but can lead to overheating and chunking on dry-slick tracks. I am going to be purchasing a new set of tires in the near future and don't really think I should use this home brew. Dirt Tire Prep | Get Started Racing Works good. These compounds tend to break down and soften rubber so must be used with extreme care until you learn what works in your situation. I know a handful of people who make their own prep. Tire Softening/tire Prep | PlanetMinis Forums Time M-Th, 8am-Noon Sat ASK ME ABOUT FOCARS: Just curiousWhy do you say never on carpet? Generally, we use 30cc to 60cc inside prep in the summer months, 60cc to 90cc in the spring and fall, and 90cc to 120cc in the winter. If you need some guidance on that, you can check out my review of the best tire prep formulas for go-kart racing. This guide will cover everything from tire and rim selection to prepping trackside. Once your go-kart is on the stand, ensure that youre able to move all fours go-kart tires. Understanding this is vital, as it will determine how many layers of a tire prep formula you need and how much you are required to apply. But it takes time to penetrate the rubber. 32 years of service to the karting industry ~ 1Cor 9:24. 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. This prep is wiped during the week for conditioning and at the track accordingly. Now that youve applied the tire prep formula, its time for the final step. Grinding removes that smooth layer and gets you back to good rubber., Mateer: To a degree, even brand-new tires have a sealed surface. It is an ingredient is some paint strippers. Siping seems to help dissipate the heat from the center of the tire under those conditions. This is a deep penetrating prep with a strong wintergreen odor. // -->