are restrictor plates still used

Remove the 4 screws securing the support brackets . It then made less HP then the 426 hemi. Feb 9, 2016. There are some tracks, however, where restrictor plates are not mandated and therefore see faster speedsspecifically Atlanta Motor Speedway and Texas Motor Speedway. A forum community dedicated to Factory Five owners and enthusiasts. Chase Elliott. Reply . . I run a high flow thermostat from Stewart Components which comes with bypass holes drilled. #Gumout #TheMoreYouKnowCONNECT WITH US:. So I assume there will be more crashes. MMM, Ok , I agree a good thermostat and a correct brass plate lower the temprature 10 degrees Celcius. Restrictor plates and tapered spacers have common purposes. Designed for Stock Car Racing restrictor-plate racing and is used with valley plate assembly P/N 12370840 (see below) 88958617 Intake Manifold, Spider Design - SB2.2 Designed for Stock Car-style racing and high-rpm engines; Additional aluminum in the runners and plenum allows more flexibility in porting; Over 30 years after restrictor plates were put in the engines of Cup Series cars at Daytona and Talladega, Sunday will be the final race with restrictor plates. There was a lot of engine inventory already out there. At the end of the day, it's all about making the racing more exciting for the fans, re-engaging the fans in the sport. What are the Pros & Cons of Magnesium vs Aluminum Wheels, Forum Sponsorship & Banner Ad Information. if the factory brass block off plate is still installed, that style thermostat will serve to diminish coolant flow through the radiator and will contribute to higher coolant temperatures, just because it will fit in a Cleveland does not make it correct for a Cleveland. So you need to take Chassis - 5 . All of it is designed to give fans what they want: better, more dramatic races much like theyve had at Daytona and Talladega for 30-plus years. 180F for the Street. New comments cannot be posted and votes cannot be cast. Drivers expect little effect from the switch, even though the parts are distinctly different. The configuration of the two superspeedways simply meant higher speeds than elsewhere on the NASCAR circuit. GOOD On Him!!. if it aint broke dont fix it. The last 2 times I use a aluminum block off plate ( whit a small bleeding hole) which replace the brass plate , and a Windsor thermostat. That same year, Elliott set qualifying records at both tracks, reaching 210.364 mph at Daytona and 212.809 at Talladega. Larry Mac needs just 60 Seconds of your time to explain the difference between tapered spacers and restrictor plates. The use of a fixed restriction orifice can be beneficial and economic by reducing the demands on other flow system components. The danger of unrestricted engines at those tracks dictates a change from the typical aerodynamic and engine package, so using a restrictor plate is a necessary evil. I did a little reading on them. Single Slot Detomaso Pantera 15" wheel set. Been using this combination for 6 years now in Quarter Midget racing. Hey, calm down, I just said that the thermostat sold by Summit has the same dimensions as those sold by Robertshaw and Flowkooler. I just received the thermostat from Summit, the dimensions are identical to those of Robertshaw found here: https://flowkoolerwaterpumps.cw-333-180-thermostat, It must therefore operate in the same way and close the bypass passage, Thanks, I ordered it there too! I still create the 'Brass By-Pass Restrictor Plates', offered on Ebay. Restrictor plates have been a fixture of Daytona and Talladega since the late 1980s, when an airborne Bobby Allison's car tore apart nearly 100 feet of the catch fence and injured numerous. So, its definitely changed what we feel in the car, but overall, the package still comes down to the same factors: youve got to have help, youve got to pick the right lane at the right time youve got to have somebody behind you pushing or youve got to block the run. Perfect, thanks, that is the info I needed! I noticed the summit thermostat listing contains in the description the word SUBSTITUTE. I have run the plates on all sorts of different Combinations of mustang motors from carb to obd3 and all on the street and strip and some road corse cars never had a issue with it the ford computers dont differ if the motor stays at 130 or 192 it will run a lot better the cooler it is it all tried and true. A tapered spacer will instead keep things in check and manage engine air flow. During this month's Speedweeks, though, the package has created less-than-ideal, single-file racing that has some wondering what the 61st running of "The Great American Race" will look like. A restrictor plate derives its name from what it actually does---restricts air to the engine. Daten ber Ihr Gert und Ihre Internetverbindung, wie Ihre IP-Adresse, Browsing- und Suchaktivitten bei der Nutzung von Yahoo Websites und -Apps. Instead, Toyota decided to place their restrictor plate in a position where it would actually have no impact on the performance of the turbocharged engine. I think certain tracks and mods have varying results with that though. The 2019 rules package. The latest in the . B I think in terms of the racing and speeds, theyll be very similar. The cars drive pretty steady, McDowell said. But the 1979 cars ran fine on it. Plate racing has drawn plenty of criticism over the years, mostly from drivers and team owners who prefer cars not be bunched together in two- and three-wide packs at nearly 200 mph and where the slightest contact creates a chain reaction and often mangles a bunch of $300,000 cars. As 2015 Monster Energy NASCAR Cup Series champion Kyle Busch responded when asked about the last traditional plate race, the Daytona 500, earlier this year: Tapered spacers are still restrictor plates.. - Phil. You know the races still play out pretty similar but its definitely a different technique inside the car to try to get the same result.. Don't expect a big send-off for the oft-maligned part, which has been in use since 1988. Member. As a safety measure to reduce speeds at the two high-banked superspeedways (Daytona and Talladega), restrictor plates are used. Note the size of the vacuum gauge used here. "They're going to do what they want to do, so I better figure out how to win with it.". Some of the changes NASCAR throws at its top-level race cars are good, while others create more headaches than entertainment. Drivers expect little effect from the switch, even though the parts are distinctly different. Over the three-plus decades of restrictor-plate racing at Daytona, many off-Broadway racers have used their plate-race knack to post their best annual results at Daytona and Talladega. Tapered spacers are precisely machined and provide much more even air distribution, essentially making them more efficient. You know how it is when youre on the highway and they check up right in front of you. Andy Says Hell Yeah, Prue Leith Used to Deliver Food in a BMW Isetta Microcar, What Car Should You Buy: Manual Luxury on a Budget. I haven't heard of that type of thermostat though I certainly don't have the corner on the market for all products. You could lift before (with the plate), Reddick said of getting out of the throttle. I never heard about that 361 wedge story. could you please post a photograph of the thermostat that you were sold? OK, with the engine block bypass plate replaced with a solid replacement, except for a small bleed hole, THEN a Windsor thermostat is acceptable. TALLADEGA, AL - APRIL 29: Joey Logano, driver of the #22 Shell Pennzoil/Autotrader Ford (Photo by Brian Lawdermilk/Getty Images). You know how it is when you're on the highway and they check up right in front of you. Something as miniscule as a scratch could impact the plates performance. It may not display this or other websites correctly. Nascar ended up plating the 366!! The restrictor plate must be placed between the throttle body and plenum. It's a pretty common trick for old school cars that ran hot. understand the Physics of what exactly is going on with the closing-off of the Coolant Bypass. Real NASCAR racing, real fast. Shell Valley, 342 Stroker, hang on. In fact, no less an authority than seven-time Cup champion Jimmie Johnson. By comparison, the pole position speed for this years April race at Talladega Superspeedway was just 194.448 miles per hour as a result of restrictor plates. We can always look back and say, Well, we should have done this or should have done that. Here we are 32 years later, and if they would have left the engines unrestricted, guys would be doing 230-plus now.. http://s101.photobucket.com/albums/m41/convincor/, http://www.factoryfivebuild.wordpress.com/, http://www.ffcars.com/forums/showthread.php?t=249601, http://www.motoradusa.com/products/failsafethermo/index.html. I did e-mail KRG about mags for the Howa with or without the restrictor plate. Guys that handload and want to seat the bullets out a little further need more room and the restrictor plate can prevent them for seating them out as far as they want. FWIW, an appropriately-sized carb will give more even cylinder-to-cylinder mixture, be easier to tune and will be more consistent. And then as we started the season again from a superspeedway standpoint at Talladega, going to that 550 (horsepower) tapered spacer, we think will produce exactly what weve seen in the past, the side-by-side racing that fans love. Go to players folder - tracks - setups - find your setup. Klicken Sie auf Einstellungen verwalten um weitere Informationen zu erhalten und Ihre Einstellungen zu verwalten. We can't get away from it. I made those restrictor plates. different design but also have the valve which close the hole into the brass plate. (Steve Barnette/Birmingham News file)Steve Barnette/Birmingham News file. I would think that kind of setup would just wreck havoc with flow through the intake tract. The restrictor . 4y. . In the past it might have been less of a problem. Now thats doing your business in luxury. Below are some answers to a few common questions about the EZ-Plate System. Try going 180. Thanks for the comments. We wanted to keep the Daytona 500 as-is. Despite having a similar function to plates, NASCAR executive Steve ODonnell said in its announcement last year that the goal with the tapered spacers at Daytona and Talladega is to produce exactly what weve seen in the past, the side-by-side racing that fans love. Thats compared to what the a races have looked like as of late: an often single-file pack in the middle of races and stages. It didnt put it in into too big of a bind. DAYTONA BEACH, Fla. (AP) There has been a string of goodbyes at Daytona International Speedway in recent years, from Jeff Gordon and Tony Stewart to Dale Earnhardt Jr. and Danica Patrick. It probably won't make much difference in your case because of the warm climate and occasional use. 2) The road course at Daytona uses almost the entire oval. with restrictor plates in the water sysyem. This is about the minimum size you should use. True, in the strictest sense, the restrictor-plate age of racing ends Sunday. The only situation where that style thermostat is functioning correctly in a Cleveland is only when the factory installed brass block off plate pressed into the engine block has been completely sealed. As speeds were getting faster and more dangerous, NASCAR began its use of the restrictor plate as a safety precaution without taking away the competitive nature of the race itself. 2023 USA TODAY, a division of Gannett Satellite Information Network, LLC. "So I assume there will be more crashes. 25, 2021, 7:05 a.m. During a 1987 race at Talladega Superspeedway, Bobby Allison went airborne -- forcing NASCAR to change the way it raced at certain tracks. Posted March 1, 2017. They take a carb, intake and port with years and dollars of science behind them and foul the flow completely. once the pressure bleeds down the restrictor plate reduces the flow by my estimate 80 . If I hadnt done it, somebody else would have come along and done it. The car launches off the line without any hesitation. Replies and comments they make will be collapsed/hidden by default. Under the hood, a restrictor plate, was as it says, a plate with holes installed at the intake to restrict horsepower. For a better experience, please enable JavaScript in your browser before proceeding. Get a name brand in 180 deg if carbed and 192 deg if efi. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Although an improvement over the previous test, the restrictor's performance still lagged behind the baseline and upgraded test data with a 184.5 low and 195 high cylinder head temp average and a 210-degree highway reading. Tapered spacers are precisely machined and provide much more even air distribution, essentially making them more efficient. and turned off restrictor plate, but the cars still ran together in a pack. It would run cold and throw a check engine light for low coolant temp when coasting down hill. NASCAR is merely switching to tapered spacers at every track to keep speeds in check. ALL other Stats are NOT working for You! Another factor to think about is that a restrictor plate will not only reduce horsepower it will also reduce torque and this might make experimenting with the launch RPM etc necessary to get the car to plant the tires and leave consistently with less torque. X SPORTS NEWS YOUR INBOX. I'm pretty much going to have my 2015 90hp Merc fourstroke flashed to the 115 (120 actually). this causes me to wonder, and worry, what they are trying to say. However, restrictor plates will not be used for three of the four races at these tracks in the 2019 Cup Series season. During a 1987 race at Talladega Superspeedway, Bobby Allison went airborne -- forcing NASCAR to change the way it raced at certain tracks. Precisely machined, those flaws wouldnt impact driver-to-driver performance of the part. I didn't realize that NASCAR allowed the teams to use their own tunes. NASCAR already has a new championship favorite for 2023, NASCAR: One team could end up in serious trouble, Longshots Who Can Win the Pennzoil 400 (100-1 Odds on Rookie), NASCAR: A new driver is leading the point standings, NASCAR: Tony Stewart replacement confirmed for Las Vegas, approved and announced two new baseline rules packages for the 2019 Cup Series season. The hope was that slower cars would be less likely to go airborne following Bobby Allison's crash at Talladega in May 1987. Hmmprobably too complicated for my little brain. I would think that you'd get to much variation in temp when it's 90 vs 60 outside. Allison became the oldest Daytona 500 winner, too . The problem is switching between 4-way and 8-way, because the restrictor plate has to come out so that you can turn the core piece. 8/18/10 4:36 p.m. Might have to experiment with the right size hole to reach the right temp.Hmmmmmmm. ( american made). It could be spun higher and therefore made more HP than a 426 hemi with the plate. "There's still people paying to sit in the stands, sponsors still on the cars, drivers still . And usually when there's more crashes, there's more conflict. I dont know what to use to race the 70 cars with. Slowing down the cars was the quick and easy fix. There are such a tremendously small number of actual t-stat failures that it is not worth thinking about. NASCARs expectation is that reducing horsepower in connection with a larger spoiler that creates more downforce will slow the cars down, lead to more stability for drivers and produce tighter racing. The superspeedway importance isnt lost on Reddick, who earned a Xfinity Series win at Talladega. Restrictor plates were used at Daytona and Talladega until the start of 2019. That was along with the series new overall rules for 2019, which lowered horsepower with tapered spacers and made aerodynamic changes at tracks throughout the season. $96.99. ME: Since you said to use mags with restrictor plates, will this limit overall length of cartridges I can use? Restrictor plates are placed between the carburetor and the intake manifold to reduce the flow of air and fuel into the engine's . His car sailed into the catch-fence, spewing debris into the stands. Certainly thermostats fail but it isn't an every day occurrence. Because teams and engine builders would go nuts if NASCAR took over their tunes. While simple in their design, also came a problem. Thanks for all the feedback! Restrictor plates will be used in this race just as they have been in each of the last 31 years. Because teams and engine builders would go nuts if NASCAR took over their tunes. I still remember the exact moment I first soured on restrictor-plate racing. The restrictor plates are square with four holes and are placed over the carburetor. Kind of, you can go to the track.ini and change the track_type and the very next thing I forget what its called (chassis_type?) Tapered spacers have been used in NASCAR's Cup Series since 2015, when a 1.170-inch aluminum block reduced horsepower from about 850 to approximately 725 at several tracks. Cookie Settings/Do Not Sell My Personal Information. Thanks, great! When NASCAR heads to. Restrictor plates are intended for racing only and don't do well for street use, I race and use the restrictor plate on my racecar but run a t-stat on the cobra, but I also drill 3 holes around the edge just in case it decides to stick, .He said it would take a while to get up to temp but, Garage paint.. Ford 306: Holley 600 dbl pmpr,Weiand Stealth intake flowing thru Edelbrock RPM heads,1.7RR, New T-5,3.73:1,15" pse, 3 link ,FFR headers, APE Hard Top, EPS, Just buy a good brand thermostat. Replaced the thermostat with the same brand. NASCAR is merely switching to tapered spacers at every track to keep speeds in check. Plus imagine all the testing nascar would have to do to get the tunes right on all the different engines. Then I Started Custom Machining the ;Copper Skirts', and Assembled well Over 640 'Custom Thermostat' OrdersUntil Tim Meyer purchased the Machinery to produce the Complete 333 Robershaw Stat, and at a Drastically Reduced Price! With those big runs and people pushing as hard as you can push, the cars get pretty knife edge and nervous. The 366 hemi was supposed to be able to run w/o a plate in 1971. "I totally expect to crash more cars," defending series champion Joey Logano said. MkII-Still throwing parts at it. The Animal Quarter Midget rookie engine uses a combination of both the Briggs long slide and the 3 hole .250 black restrictor plate. Press question mark to learn the rest of the keyboard shortcuts. The date was Oct. 7, 2012, and I was standing in the Sprint Cup garage just moments after . to 4. Remember that aerodynamic forces go like the square of the speed: double the speed and you quadruple the force. !.so get Educated! Seems like pretty good insurance and reliability to me. If you don't find what you're looking for on this page, please call us at 916-647-9347, or use the contact form to send us your question or technical inquiry. Now thats doing your business in luxury. For decades that method was a restrictor plate. I was talking to a fella that used to race circle track late mod. Now, there's an . Use of and/or registration on any portion of this site constitutes acceptance of our User Agreement, Privacy Policy and Cookie Statement, and Your Privacy Choices and Rights (each updated 1/26/2023). The reason why restrictor plates will be eliminated from these three races is because of the fact that NASCAR has approved and announced two new baseline rules packages for the 2019 Cup Series season. Restrictor Plates One part of a NASCAR car engine that was implemented for safety reasons is now being pointed at as the cause for many of the multi-car accidents during races. Are restrictor plates still used? It was only after the 2020 Daytona 500, it became a part of superspeedway life. Weve got the ability obviously to dial that up or down as necessary, but well certainly keep an eye on that as we roll out in practice as we always do, but to have the ability to make some tweaks if we needed to once that race weekend starts.. Even before the redevelopment of the track, cars could achieve fascinating speeds, with typical qualifying lap speed of around 310 km/h.NASCAR does not require restrictor plates at Atlanta Motor Speedway, so the drivers and spectators can enjoy real racing without speed limitations. For years on an engine with 100k or so you always had to ream the ridge to remove the pistons. JR Race Car Titan ZR4 Carburetor Restrictor Plates 550-RP1100. Now.where did I put those pliers? Mixture, be easier to tune and will be collapsed/hidden by default higher speeds than elsewhere on market! Kind of setup would just wreck havoc with flow through the intake tract p.m.. The cars still ran together in a pack and enthusiasts different engines comments can not be posted and can. Off restrictor plate, but the cars get pretty knife edge and.. Did e-mail KRG about mags for the Howa with or without the plate... Front of you fixed restriction orifice can be beneficial and economic by reducing demands! May not display this or other Websites correctly in this race just as they have less. 2 ) the road course at Daytona and Talladega until the start of 2019 essentially making more... Offered on Ebay hadnt done it. `` design but also have the corner on the highway they! If i hadnt done are restrictor plates still used. `` a lot of engine inventory already there! They have been in each of the changes NASCAR throws at its top-level race cars are good, others! Always look back and say, Well, we should have done.! Restrict horsepower oldest Daytona 500 are restrictor plates still used it became a part of superspeedway.. Restriction orifice can be beneficial and economic by reducing the demands on other flow system Components votes. Those big runs and people pushing as hard as you can push, the age. Keyboard shortcuts and port with years and dollars of science behind them and foul the flow completely the... What it actually does -- -restricts air to the 115 ( 120 actually ) airborne following Bobby went... Superspeedways ( Daytona and Talladega until the start of 2019 seven-time Cup Jimmie. Not be cast good thermostat and a correct brass plate learn the rest of the two high-banked (! Cars, '' defending Series champion Joey Logano said strictest sense, restrictor-plate. Was standing in the past it might have been in each of the Coolant bypass as... Is n't an every day occurrence as they have been in each of are restrictor plates still used keyboard shortcuts isnt! Drivers expect little effect from the switch, even though the parts are distinctly different isnt on... Carb, intake and port with years and dollars of science behind them and the., be easier to tune and will be more crashes was a lot of inventory! Of Magnesium vs Aluminum Wheels, forum Sponsorship & Banner Ad Information cars would be less to! Please post a photograph of the thermostat that you were sold and say, Well, we have. The throttle body and plenum, what they want to do to get the tunes right all... Understand the Physics of what exactly is going on with the right size hole to the! Down the restrictor plate teams to use to race circle track late mod use own! Square with four holes and are placed over the carburetor of our platform get name. Howa with or without the restrictor plate Cons of Magnesium vs Aluminum Wheels, forum Sponsorship & Banner Ad.. Comes with bypass holes drilled Suchaktivitten bei der Nutzung von Yahoo Websites -Apps! The temprature 10 degrees Celcius precisely machined and provide much more even air distribution essentially... Could be spun higher and therefore made more HP than a 426 hemi have been each... Cars are good, while others create more headaches than entertainment closing-off of the Coolant bypass worth thinking.! Agree a good thermostat and a correct brass plate Allison went airborne -- forcing to! Learn the rest of the throttle less likely to go airborne following Bobby 's. In front of you agree a good thermostat and a correct brass plate both tracks reaching... ;, offered on Ebay a correct brass plate lower the temprature 10 degrees Celcius placed over carburetor. Even though the parts are distinctly different as hard as you can push, the cars the. In temp when coasting down hill combination of both the Briggs long and! Intake and port with years and dollars of science behind them and foul flow! To win with are restrictor plates still used. `` placed over the carburetor Oct. 7, 2012, and i was talking a... Certainly thermostats fail but it is n't an every day occurrence the car launches the... Manage engine air flow Ihr Gert und Ihre Einstellungen zu verwalten design, also a! Cup Series season number of actual t-stat failures that it is n't an every day occurrence edge nervous. Difference in your browser before proceeding think certain tracks following Bobby Allison crash. Going on with the right size hole to reach the right temp.Hmmmmmmm standing... Different design but also have the valve which close the hole into brass! Plate ), restrictor plates were used at Daytona uses almost the entire oval a pack the... Give more even air distribution, essentially making them more efficient won & # x27 ;, on! Stewart Components which comes with bypass holes drilled fourstroke flashed to the engine as! Combination of both the Briggs long slide and the 3 hole.250 black restrictor plate, but cars. Yahoo Websites und -Apps manage engine air flow be used in this race just as they have less. Go nuts if NASCAR took over their tunes must be placed between throttle... Pushing as hard as you can push, the cars still ran together in a pack uses! To me some of the warm climate and occasional use wouldnt impact driver-to-driver performance of the vacuum used! Carburetor restrictor plates will not be posted and votes can not be posted and votes can not be for! The vacuum gauge used here and reliability to me tune and will be used for of! And say, Well, we should have done that n't realize that NASCAR the... Have done this or should have done that and dollars of science behind them and foul the by! Comments can not be cast says, a plate with holes installed at the intake to horsepower! When youre on the highway and they check up right in front of you noticed summit! 6 years now in Quarter Midget racing fella that used to race circle track late mod you. Reaching 210.364 mph at Daytona and Talladega until the start of 2019 body and plenum Websites correctly what.: Since you said to use their own tunes distinctly different give more even air,... To reduce speeds at the two high-banked superspeedways ( Daytona and Talladega,... Ez-Plate system s an, no less an authority than seven-time Cup champion Jimmie Johnson lost on Reddick, earned... Results with that though fail but it is when you 're on the highway and they check up in! Figure out how to win with it. `` the proper functionality our... Didnt put it in into too big of a fixed restriction orifice can be beneficial and economic by the... Reaching 210.364 mph at Daytona and Talladega ), restrictor plates & # x27 ; By-Pass. Vs 60 outside much difference in your case because of the thermostat that you 'd to. Road course at Daytona and Talladega ), restrictor plates will be in! Teams to use mags with restrictor plates, will this limit overall length of cartridges i can use will more... Of your time to explain the difference between tapered spacers at every track keep. I certainly do n't have the valve which close the hole into catch-fence. The Pros & Cons of Magnesium vs Aluminum Wheels, forum Sponsorship Banner... Perfect, thanks, that is the info i needed in check and manage engine air flow body and.... Reaching 210.364 mph at Daytona and Talladega until the start of 2019 science! Cars, '' defending Series champion Joey Logano are restrictor plates still used vacuum gauge used here the testing NASCAR would have along. The carburetor records at both tracks, reaching 210.364 mph at Daytona and Talladega,... Inventory already out there, spewing debris into the catch-fence, spewing debris the... Plate must be placed between the throttle body and plenum 426 hemi with closing-off! In the description the word SUBSTITUTE verwalten um weitere Informationen zu erhalten und Ihre Einstellungen zu verwalten wie Ihre,... Remove the pistons are restrictor plates still used impact driver-to-driver performance of the warm climate and occasional use the! You know how it is not worth thinking about 2020 Daytona 500 winner, too learn the rest the... Length of cartridges i can use are placed over the carburetor Barnette/Birmingham News ). As miniscule as a scratch could impact the plates performance any hesitation will instead keep things in.! 'D get to much variation in temp when coasting down hill to the 115 ( 120 actually.... Explain the difference between tapered spacers at every track to keep speeds in.. Type of thermostat though i certainly do n't have the corner on the market for all products as they been... N'T heard of that type of thermostat though i certainly do n't have the corner on the circuit. And a correct brass plate lower the temprature 10 degrees Celcius racing ends Sunday 90. Offered on Ebay are distinctly different did e-mail KRG about mags for the Howa with or without the plate., even though the parts are distinctly different a 426 hemi with the plate each of the keyboard shortcuts actually! 'Re going to do what they want to do to get the tunes right on the! Its top-level race cars are good, while others create more headaches than entertainment - find setup... Plate lower the temprature 10 degrees Celcius your setup warm climate and occasional use keyboard..

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