by -MARK- Mon Oct 23, 2006 2:33 pm, Post Works good for dirt and asphalt applications. Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. Copyright 1998-2023 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. GoKartGuide is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, HomeAbout Terms of UsePrivacy PolicyContact. I have been racing go-karts competitively and recreationally for the past 20 years. Some of them are successful racers and claim to make a gallon for $30-$40. Copyright 2017 Traction Media LLCWebsite Proudly Powered By Nitro Designs. Scuffing brings the tire up to the lower end of its operating temperature, but not too hot. Is this acceptable? Allow the tire to dry fully. What prep and how would you recommend for a clay but sandy track track. The list of best things to do in Auvergne-Rhne-Alpes includes sightseeing, pretty towns, history, and natural wonders! Thanks for stopping by and enjoy the read! NMP is an industrial solvent. Registration on or use of this site constitutes acceptance of our Privacy Policy. As previously explained, the lower the bite of a track, the more tire prep formula you should apply. That makes the edges of the grooves and sipes crisp and sharp. racehead, take a look at a previous discussion on this subject, under the topic "Chemical to softer rubber? Scuffing increases grip, especially at the beginning of a race, when you need it the most. Please let us know here why this post is inappropriate. For a medium bite track, you should apply 3 ounces on the outer tire and 2 ounces on the inner tire. You can move the tires by grabbing on to the wheel or the axle, so ensure that those areas are easily accessible and arent blocked. Keep in mind it takes most inside prep 2-3 days to completely pull through the tire. Heat will greatly accelerate the absorption of any softener (solvent, plasticizer, same thing) into rubber. Then tightly wrap them in cling wrap for a couple days. we (my son and I) have recently started racing. When it comes to applying the tire compound, you have a choice between three different methods. My goal with this site is to share valuable go-kart racing information through guides, articles, reviews, track details and more. If the track has some bite, well maybe use a 40-grit sandpaper. You've gotten some info about some stuff your can use for prep other then buying already made prep. SXT or bust. to give other preps further saturation. #5 Goat P (Goat Pee, Goat Piss, Gold, Yellar, ect) provides tons of grip and stays in the tire to drop the Now that we have covered tire and rim selection we will move to preps. In other words: if you mechanically or chemically prep a tire and something goes wrong with it that results a wreck in a race, any potential legal repercussions are on the person responsible for altering the tire. if(MSFPhover) { MSFPnav10n=MSFPpreload("_derived/lube-kartoil.htm_cmp_needforspeed010_hbtn.gif"); MSFPnav10h=MSFPpreload("_derived/lube-kartoil.htm_cmp_needforspeed010_hbtn_a.gif"); } You can pick whatever is most comfortable for you. There are situations on a really slick track where it seems like the edges of the tooled grooves peel over. 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. CarlsonMotorsports Site Supporter. Allow tires to soak in mixture 15 to 30 minutes before racing. If theyre really sealed over and shiny, maybe they were cut up too much, built too much heat, and sealed over on you. 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. one to several coats of #12 Wintergreen with a brush or roller allowing 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. When it comes to scuffing, youll only need to process the rear tires. If youre racing on a high bite track, you should apply 2 ounces on the outer tire and 1 once on the inner tire. But it takes time to penetrate the rubber. Put it in a spray bottle, and hit the tires with it. The most common scuffing tool is a handheld belt sander. Want to get a nasty look from the crew of a touring dirt late model? It is a clay track but extremely sandy in the turns. Take some rags soaked in kerosene and cover the tyres with it. wd40 will drop the duro. 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%. RC4LESS TIRES,SMC BATTERIES,MAVERICK OVAL CHASSIS,BANDIT BODIES,ZUBAK SPEED DROPS,TEAM CORALLY O-SSASIN PILOT,PRS PINIONS AND SPURS,FOCAR FOUNDER AND PRESIDENT. You should read instructions on the tire prep container carefully. A second light scuff session followed by storing the tire several days or even a week is recommended, and has proven to be ideal for preparing a tire for competition. Using a homemade tire prep. Apply one to several coats of #12 Wintergreen with a brush or roller allowing to dry between coats. NMP is relatively environmentally friendly. 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. This means for a low bite track, its common to apply a little more than average. So, I'd pick a program that's known to work locally, or simple to learn and start over with the new tires. JMO. Prep now available. Apply mixture to tires using rag or a paint roller. If youre on a new set of go-kart tires, you should think about scuffing them. NMP is a solvent that would probably work. 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. I've not used any myself to be able to speak to how well they worked. Keep using this stuff on the old set till I get my new set then switch to something else?? Be careful when putting it on you can make the tire so soft its almost melting. 270-703-2772 6pm-9pm Central You can either use a spray, a brush or a roller. next evolution was acetone and transmission fluid. Lets jump right in! One time I ran 15-degree sipes on the rear and after the race I could tell those tires werent as worn as the tires I had siped straight across. Stay tuned next month where we continue to cover the basics of tire preparation. Simple green cleans and softens rubber tires and makes them tacky . by -MARK- Wed Oct 25, 2006 5:24 pm, Post Youve got to be careful using real aggressive stones so you dont tear up the edges of any sipes youve put in the tread, because that can lead to chunking., Harris: Lets say youre running an American Racer G60 on a really dry-slick track. roller. cost per gallon of NMP.? What is the approx. Done right, siping can help a hard-compound tire work like a medium-compound tire., Mateer: Drivers talk about their tires sealing over or getting glazed. No one knows what is happening but one theory is that the heating of the tire during a race liquefies resins in the rubber compounds. The guy I bought my son's kart from gave us tire prep that he used. Its for exactly what you discribing. hdm@hdmworld.com. Well go more into the details a little bit later. The 6 steps to kart tire prep are: Scrub your new set of tires. Racing surfaces vary not only from track to track, but during a nights racing at the same track. If youre using a homemade tire prep or are unsure, you can continue reading for a general guideline. You can play with the depth of siping a little in a long race. IMCA dirt modified driver Jack Durbin, of Perry, Iowa, demonstrates how to grind tires correctly. As you can see, the lower the bite of the race track, the thicker the application needs to be, in order to give you the extra traction you need. tire enough to cause feathering on a hard track. for dirt i would use wintergreen on tires it cleans them and softens them. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. If youre planning to use tire prep formula on off-road go-karts for dirt surfaces, you have to take into account that it will not be as effective as when used on asphalt. 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. Tire scuffing is a common practice for racing. to my knowledge there is no 1 prep that fits all conditions. In a fewinstallments we are going to layout a basic guide for dirt track tire preparation. Your shopping cart is empty.Click here to continue shopping. You can also wrap the tires in plastic for a deeper penetration. I have a set of 26x10's that are a yr old. long time ago 30+ yrs they used strait up turpentine on the tires. 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. Soak the tires in water first. Item Number: #5-GP-QT. Grinding removes that microscopic layer of sealed rubber and mechanically roughs up the smoothed tread blocks to give more bite., Norris: Ten or 15 years ago we might have ground our tires at the start of the night and never touched them again, but now were cleaning and grinding every tire after every heat race and before the features. Sharp edges are what give you bite., Mateer: Factory edges seem to hold up better than grooving iron-edges. Time M-Th, 8am-Noon Sat It is an ingredient is some paint strippers. This stuff may work but still your best bet is to get with a tire guy that sells prep. roller. Always consult the manufacturer before mixing any tire preps or Youre able to calculate this by understanding what type of track youre dealing with and the current state of your tires. just before you go on the track. the certain oils that the lotion contains is comparable to the natural oils that rubber tires have = grip. In 2016 the Rhne-Alpes rgion was joined with the rgion of Auvergne to form the new administrative entity of Auvergne-Rhne-Alpes. available. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Im sure youve noticed that go-kart tires are smooth, compared to normal car tires. Now your tires are ready to be coated with a tire prep formula. NMP = N-methylpyrolidone, boiling point 400F. Jun 17, 2015 #1 Got a question for you guys. I've not used any myself to be able to speak to how well they worked. All you need to do is move the sander horizontally to ensure that you cover the entire surface area. Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a parts function at the center of their design considerations. Grooving is a third form of mechanical tire preparation that uses a special heated tool to cut additional grooves in a tires tread. They will lead you in the right direction and already know the effects of each prep they use. Look at the dozens of prep manufactures out there. For a high bite track you may either want to opt for a thin coat or even skip tire prepping completely, depending on the bite of the respective race track. Here he uses a fine-to-medium grinding wheel while applying minimal pressure. 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 . #2 Tire Cleaner - will soften a tire I race, build, mod, & discuss go-karts whenever I find the time. Mark. This customization is making your tires sticky. treatments. I would do the hard burn-out that you described. 00:00 00:00 Brought to you by Leaf Group Step 1 Protect your eyes and hands with the goggles and chemical resistant gloves. Inside prep is used to break down the rubber so that the slick tread tires will grip the dirt/clay track surface. Not the fastest .just wanna be competitive. How to Use Pro-Blend Hot Lap: Apply formula directly on the tires with a brush or roller Full coating for the rear tires and and front tires 3 and 2 days before race 4. Repeat for each tire you wish to soften. Rhne-Alpes, former rgion of France. I agree with the other comments that it comes with risk, both health and cost wise, and without support. I know people that are winning on homemade preps. deeper penetration. because with rubber tires/ caps = the tan lotion put oils back into the tire. let dry the follow up with GP or WG as normal. Acrysol tends Walk over and peek under the covers they often place over their tires between races. durometer considerably. I think that when youre under power youre actually running on those edges as much as the centers of the blocks, so I want those edges as sharp as possible to give me all the bite they can., Hampshire: You can hurt yourself with grooving if dont know what youre doing. If youre grinding a tire right, you see very little smokejust rubber dust., Hampshire: Some guys get real picky about grinding clockwise or counterclockwise patterns on their tires, depending if its a front or rear tire, maybe even whether its a right- or left-side tire. These compounds tend to break down and soften rubber so must be used with extreme care until you learn what works in your situation. // -->. For an effective tire prep application process you can follow the step-by-step guide below. I have taken part in some that do, but Ive also seen other racers being disqualified after the race, as they were using tire prep formulas that were against the rules. Before introducing you to the tire prep guide, its important that you understand what a bite of a track is. ": so reading all of the thread the only real chem that will attack rubber to soften it is this Methylnaphthalene i have looked this chem up does any body now if it is dear to buy in the uk ??? Thanks. If you ever have questions about any of our products, please give us a call! The guy I bought my son's kart from gave us tire prep that he used. When choosing a prep combination call the manufacturer to make sure it is recommended for your track conditions. If you want to apply all of the tire prep coatings in one go or split the application into multiple thinner ones is completely up to you. Already a member? I never leave my tires outside, exposed to sunlight. SPF 45 Suntan works great on carpet when the track is ''green'' and doesn't have a groove worked in yet. The two chemicals are working to open up the tire as well as make bit. This will cause more wear on the outer tires and therefore will require more traction and more formula. Our most popular prep is a staple in the Insanity tire program. Login. The Fora platform includes forum software by XenForo. In my opinion, like the advertisement says, get'em hot, and the resin will flow to the surface. ASK ME ABOUT FOCARS: Just curiousWhy do you say never on carpet? The larger the tread block, the more it retains heat once it gets warmed up. If that tire is smoking, its too hot. You can either use a spray, a brush or a roller. we use spf 60 or higher now..no add blue and purple bottlesapply to tires and allow to sit on them for awhilewipe off any excess before you runnever ever on carpet! Therefore, you should keep your go-kart on the stand and store it indoors in a dry environment. I know this sounds counterintuitive, but scuff marks actually create a tire profile.