Our Yokohama ADVAN A052 tires really took a beating during the tests (with tire dust flying off the rubber as the car navigated the autocross gates). Like all Extreme Performance Summer tires, the ADVAN A052 is not intended to be serviced, stored … But, that doesn’t always mean a faster time. I had a great connection between my steering wheel and the corners because the tires let me know what was happening with the car. The new tyre improves upon the ADVAN A048's … We again got to work by driving the Fiesta like a madman around the cones. The different wheel combinations were within one pound of each other. The Yokohama ADVAN A052 215/40R17 turned in the best time of 28.88 seconds. Time to search the internet! Build your own custom newsletter with the content you love from FordMuscle, directly to your inbox, absolutely FREE! Once we determined the fastest set for the Fiesta, we stuck with that tire size and then evaluated what sort of alignment changes the car needed to help optimize that specific size of tire. I got about 10 events (80-100 runs, I forget exactly) out of mine and the shoulders are probably 5-10 runs from cording. A lot of people were coming up to us at the autocross events to discuss the new Yokohama tire. I’m not going to blow tire smoke up your skirt, testing tires is really hard work (if you consider sliding a car around a parking lot, hard work). Since then we have competed against each other 7 times in SCCA, NMCA and Optima USCA autocross courses. The Yokohama tires were holding up great, providing lots of stick when we needed it to help us cross the line faster than anyone in our class. It’s different for every car. Our progress report for this point in the race season competing on the Yokohama ADVAN A052 tire is all thumbs up. At this event (with our A052s) we were able to take second place overall out of every car that showed up regardless of horsepower, design, or modifications to those cars. That would essentially be like changing the final drive to a higher gear, which (for most racers) is not what we are looking for. The first thing we did to try and improve our times was ensure we were running the optimal internal tire pressure for the Yokohamas. This meant we needed more negative camber. Positioning wise, the A052 is ranked above the ever … © 2020 Power Automedia. There are plenty of choices when purchasing tires: treadwear, width, aspect ratio, just to name a few. The rules in SCCA’s Street Category dictate the types of tires we could use (200 treadwear, commercially available). Advan A052 Testing We got blessed today with the best autocross weather you could possibly ask for. Turn in was crisp, lots of warning and a quick and easy catch when over driven in particularly tight turns. Another possible factor for the narrower tire’s success is the 215 fit on the 7-inch-wide rim better than the 225 did. We see this as a good thing, because that sticky, wearing tire helped us win races. Tire Rack Consumer Review of the Yokohama ADVAN A052 Monday, August 20, 2018 by Tire Rack Consumer Reviews Note: The following post was created from content submitted via Tire Rack's consumer surveys. The circumference would be about 0.8% larger on the 225. The Yokohama ADVAN Neova AD08R is a Trackday and Competition Summer tyre designed to be fitted to Passenger Car. Both tires felt great, but the lower gear ratio of the Yokohama ADVAN A052 215/40R17s helped the Fiesta get through the low-speed tight autocross better than the 225/45R16s. Our goal was to optimize our car’s tire pressure and alignment to compliment the way the Yokohama tires work. This was definitely on the cool side but expected with the cool down time while pulling into the paddock … The 215s on the 17-inch rim were faster around the course. PAX results are a great way to determine if our Yokohama ADVAN A052 tires are improving our lap times – not just compared to the racers in the H-Street class, but every driver that attended the autocross. I was having the time of my life zipping the little Fiesta ST around the cones and feeling the roadway through the Yokohamas. Taking a look at the outside edge of the brand-new Yokohama ADVAN A052 tires (left photo) and the well-worn and heated raced version of the Yokohama ADVAN A052 tires (right photo), you can see these 200-treadwear tires do use up some rubber. In my mind, bigger is always better. The A052 is engineered for superior handling, increased traction and improved lap times. Yokohama - ADVAN A052 (ADVAN A052) Extreme Performance Summer Tire We will safeguard your e-mail and only send content you request. In this video I reveal an easy and effective way to dial in your racecar's optimal tire pressures. Obviously, we were extremely happy with that result, however, to become a champion you can’t sit on your laurels. For folks who like to take their cars out and dance around the cones at an autocross or four-wheel-drift toward a corner exit at a High Performance Driving Event (HPDE), you are looking for the best performance possible out of your tires. The first tire we considered was the 215/40R17. Rob Krider will race absolutely anything. (Photo by Jonathan Johnson CreatiForm Media). We knew we would want a larger contact patch for racing. A better tire/rim fitment helps with sidewall stability and that may have also helped the 215 come out on top. All rights reserved. We'll send you the most interesting FordMuscle articles, news, car features, and videos every week. Used for just one autocross so far, this tire did not disappoint. There are plenty of easy-to-use, free resources online to compare different tire sizes. Some people said they didn’t think the 225 would fit on a Fiesta. David Toyo Best … The Esses at sonoma were a lot of fun with these tires . The wear on the outside edge of the tire and the blue color from extreme heat indicated we needed more negative camber. Generally in racing, the wider the tire the better because it creates more surface area between the tire and roadway. –SETTING UP . Therefore, my benchmark was a friend and competitor who has been consistently beating me since last fall when he switched to Yokohama A052. Autocross 101 Page 2 of 6 Traction … If you are looking for performance, tires are where you start and where you end. Both tire sizes were stable and provided excellent grip between the cones, but in the end, it was the narrower tire that got it done. Our search revealed there were a multitude of Yokohama tires available for the Ford Fiesta ST. Toyo R888R Results . I was pretty sure the wider tires would be faster. Managing your tire pressure throughout the day is the easiest (and cheapest!) Every move your car makes, it has to do through those black rubber donuts slapped around your custom wheels. "The Yokohama Advan A052s have proven to be a great autocross tire. Like all Extreme Performance Summer tires, the ADVAN A052 is not intended to be serviced, stored or … We evaluated our increasing tire pressure with each run, as well as tire temperatures, using a combination tire gauge/pyrometer. It is designed for serious sports car and sports coupe enthusiasts looking for race tire-like traction on the street or for use in autocross, drifting and track events. Yokohama ADVAN A052. But then the Yokohama ADVAN A052 225/45R16s on the Enkei RPF1 16 X 6-inch wheels came in at 34 pounds, one pound lighter. The tyre also features a new Sport Compound that uses MS Technology for extreme grip in dry and wet conditions plus BluEarth Technology for fuel efficiency. Go to a tire shop when your tires need to be inflated. We work through a couple of these choices to see which ones make a difference in performance. .. ADVAN A052 is Yokohama's Extreme Performance Summer tire designed for drivers who use their street-driven vehicles to participate in high-performance driving schools, autocross and open-track events and want Yokohama's highest level of DOT-approved performance. Plugging in the data from the two tires we were considering, the 215/40R17 and the 225/45R16, into the tire size calculator, we immediately saw the difference between the two tires. We wanted any change during the performance of the test to be the tires and nothing else. I had a preconceived notion that the 225s would be faster, but our AEM CD-5 data logger told the hard truth. We were able to zip through slaloms more aggressively, lowering our lap times compared to our competitors. With the added negative camber, the Yokohama ADVAN A052s really brought the speed to the little Ford Fiesta. This tyre replaced the Yokohama Advan Neova AD08. We liked it! Location CT. Dec 6, 2020 #5 I run them for autox only. Both tires felt great, but the lower gear ratio of the Yokohama ADVAN A052 215/40R17s helped the Fiesta get through the low-speed tight autocross better than the 225/45R16s. Tire Pressure: Be sure to bring a tire pressure gauge and an air compressor. Each time we had taken the car out we were usually in the top 10, often in the top 5 for PAX results. Our goal for this article was to pick the best size for the fastest times around a track. Here is our Fiesta ST ripping into the last curve at the SCCA autocross at Thunderhill pushing the slip angle of the Yokohama ADVAN A052 tires. The question is, which tires should you choose? It was low 70s, low humidity, few clouds, cool breeze and no chance of rain. Besides tracking our lap times, it comes with a super cool shift light. This tyre has been replaced by the Yokohama ADVAN Neova AD08RS. I did not bring a sprayer so I just let them keep increasing in … "The ADVAN A052, which is a technically a street tire, is made on the same assembly line and by the same staff that makes our ADVAN slick tires used in the Super GT and Porsche GT3 cup racing series." https://www.fordmuscle.com/tech-stories/yokohama-advan-a052-autocross Most events, I set pressures … It was very easy to drive on the limit. A rounded rib profile helps control contact pressure for balanced wet performance and stability at top speeds. To further the A052’s wet performance for stability at high speeds, Yokohama has adopted a Mound-Profile to control the contact pressure each block. Is this why the 225s were slower? All rights reserved. The Tale of Two Tires. So, we found a wider tire, however the aspect ratio was bigger (45 versus a 40), which means it would have a larger sidewall. We found that the 225 fit perfectly and didn’t rub on anything. The end result was we found the Yokohamas liked to run fast at over 40 psi. Once that was done we brought the car back into the shop to try the wider tires. © 2020 Power Automedia. The results were a success, winning the SCCA H-Street class at multiple autocross events. Upon further inspection of the rules we found something very interesting. Advan A052 Testing We got blessed today with the best autocross weather you could possibly ask for. The ADVAN A052 combines design, construction and compounding to provide a new level of … We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. If I changed tire pressure during the event, it was an attempt to change handling balance, not to keep the tire constant. Using the tire calculator from TireSize.com, we were able to determine how much bigger the 225/45R16 was versus the 215/40R17. And, it wasn’t what we thought it would be. We covered all of that jargon previously at TURNology, in an article titled “Tires: Sizing, Pressure, Load, Speed, And Treadwear — Understand It.” Gleaning information from that article we realized we had a lot of choices when it came to sizes. At this event he was on his 40+ run … This epic screen capture from our door mounted GoPro camera shows us driving over the slightest edge of the bottom of a cone (using all the track) in the slalom section of the autocross at Thunderhill. Build your own custom newsletter with the content you love from FordMuscle, directly to your inbox, absolutely FREE! We put a ton of laps in with the 215/40R17s until each lap was consistent (within a tenth of a second). If you don't have a system, you're just guessing. It was low 70s, low humidity, few clouds, cool breeze and no chance of rain. You always have to search for more speed, because your competitors are certainly chasing opportunities as they look to knock you down off the top of the podium. Our opinion was that if you wanted the fastest 200-treadwear tire in autocross it has to be softer and wear quicker. He is a multi-national champion racing driver and is also the author of the novel, Cadet Blues. At our Double Nickel Nine Motorsports shop we added some negative camber to the FordMuscle Way of The FiST project car and headed back out onto the track. Photos by Keith Kramer, Rob Krider, and Anthony Topalian. I did not bring a sprayer so I just let them keep increasing in … The sidewall was solid, and turn-in felt good. The inflation pressure should be measured when the tire is cold. The car loved the tires and zipped around cones with reckless abandon. This is perfect tire testing temperature since I could see how they feel relatively cool during early runs and then really hot for later runs. This is perfect tire testing temperature since I could see how they feel relatively cool during early runs and then really hot for later runs. Saved from tirerack.com. In my mind, it was probably going to be the wider tire. The ADVAN A052 is Yokohama's Extreme Performance Summer tire developed for drivers who use their street-driven vehicles to participate in high-performance driving schools, autocross, and open track events and want Yokohama's highest level of DOT-approved performance. The first time we slapped on some Yokohama ADVAN A052 tires on our Ford Fiesta ST we took first place at an autocross. The tires were the BFGoodrich g-Force Rival S 1.5, the Bridgestone Potenza RE-71R, the Dunlop Direzza ZIII, and the new kid on the block, the Yokohama ADVAN A052. The Yokohama ADVAN A052 215/40R17s on the OZ Ultraleggera 17 X 7-inch wheel weighed in at 35 pounds (which was 8 pounds lighter than the stock Ford wheel/tire combination).
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