A restrictor plate (or the tapered spacer) slows cars down by preventing them from bring air into the engine as quickly as without the plate or spacer. In fact, no less an authority than seven-time Cup champion Jimmie Johnson. It didnt put it in into too big of a bind. ALL other Stats are NOT working for You! Press J to jump to the feed. . Dont expect a big send-off for the oft-maligned part, which has been in use since 1988. Long story short, I failed to install the exhaust restrictor plates in the new intake gaskets going on my 350. Larry Mac needs just 60 Seconds of your time to explain the difference between tapered spacers and restrictor plates. Trying to re-Invent the Coolant By-pass System!! KRG mags are Accurate mags. I think certain tracks and mods have varying results with that though. 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. and depending on the efficiency of you radiator, you may never get to temp. It may not display this or other websites correctly. That includes Daytona and Talladega, but won't take effect until after Sunday's season opener. Now, there's an . Make a good setup with it. Truck had 160000km or 100K miles at the time of failure. I have a home built 4 player sit down arcade table (cocktail and side by side) with 4 cheap Sanwa-style arcade joysticks. Now, there's an alternative to restrictor-plate racing. ", More AP auto racing: https://apnews.com/apf-AutoRacing and https://twitter.com/AP_Sports. I just ordered a Thermostat at a well known Pantera parts vendor, but obviously got the wrong one, that does not block off the hole below. Current Tracks that Require Restrictor Plates Daytona Talladega Theyre going to do what they want to do, so I better figure out how to win with it.. Estimated Ship Date: Today. A forum community dedicated to Factory Five owners and enthusiasts. You can't stop quick enough and you're only going 70, you know? The restrictors that came with the gasket set (felpro) have a 1/2" diameter orifice in them. The restrictor plates . Now..where's my coffee cup? 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.. The spoiler, evident from the Fox animation below, is also massivelike it has been all year. Plus imagine all the testing nascar would have to do to get the tunes right on all the different engines. I assume we're all going to tear more stuff up this year. To fit either restrictor: Remove the 4 screws holding the PCB to the joystick body. Not sure if a new addition or I never scrolled far enough, but thanks for pointing it out. In the aftermath of Bobby Allisons crash into the grandstands at Talladega Superspeedway in 1987, NASCAR knew it had to slow the cars down at its biggest venues. But having gone 350 starts before he got his first win in the super bowl of stock car racing hes quite OK with the predicament. You only need the model WITH Bypass if this brass plate is no longer present in your block. NASCAR is merely switching to tapered spacers at every track to keep speeds in check. "I don't think there will be a lot of change," said 2012 NASCAR champion Brad Keselowski, who has won four of the last 20 races at Daytona and Talladega. Now thats doing your business in luxury. I can't see without my glassesI gotta take a break and get reorganized. 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! 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. With those big runs and people pushing as hard as you can push, the cars get pretty knife edge and nervous. Restrictor plates are an eighth of an inch, so thin that any imperfection even a scratch can create a disparity. 1) Indy is much more centrally located. Restrictor plates were used at Daytona and Talladega until the start of 2019. The 2019 rules package mandates those same-sized spacers at all tracks less than 1.33 miles. ?Where'd my glasses go? Don't expect a big send-off for the oft-maligned part, which has been in use since 1988. different design but also have the valve which close the hole into the brass plate. MkII-Still throwing parts at it. once the pressure bleeds down the restrictor plate reduces the flow by my estimate 80 . "Nobody knows exactly what to expect," Stewart-Haas Racing team co-owner Tony Stewart said. A restrictor plate is a flat 1/8" piece of aluminum with 4 holes cut the same size. After installing one at a time they didn't seem to do much but that doesn't mean that it won't work . Do you believe that NASCAR made the right decision to eliminate the usage of restrictor plates from the races at Daytona International Speedway and Talladega Superspeedway, minus the Daytona 500, for the 2019 Cup Series season? This term "restrictor plate" is often thrown around by NASCAR drivers, and it's easy to ignore. NASCAR seems to try to keep the average la Continue Reading Related questions More answers below Anthony Perez There are such a tremendously small number of actual t-stat failures that it is not worth thinking about. That can be easier to understand visually than in words, though, which is where the animations NASCAR broadcasts have so eloquently down come inmaking the slight changes easy to grasp: Restrictor plates have been a fixture of Daytona and Talladega since the late 1980s, when an airborne Bobby Allisons car tore apart nearly 100 feet of the catch fence and injured numerous people at Talladega in 1987. Replies and comments they make will be collapsed/hidden by default. You cant stop quick enough and youre only going 70, you know? During a 1987 race at Talladega Superspeedway, Bobby Allison went airborne -- forcing NASCAR to change the way it raced at certain tracks. if it aint broke dont fix it. Drivers will still have more horsepower than they used to, going from an estimated 410 to a targeted 550. Slowing down the cars was the quick and easy fix. This speed was recorded by Kevin Harvick. A restrictor plate is a device used to reduce air flow and horsepower in a nascar engine. ReverendDexter Dork. You know how it is when you're on the highway and they check up right in front of you. I didn't realize that NASCAR allowed the teams to use their own tunes. Since most rally drivers don't bother looking at speed limit signs, the FIA mandated that for the turbocharged engines used by the rally cars, they would require a restrictor plate to limit the . Oh great, I'll waste another half an hour trying to find them..ahhh, gotem. The 2019 rules package mandates those same-sized spacers at all tracks less than 1.33 miles. Thanks, great! You must be signed in to continue. For a better experience, please enable JavaScript in your browser before proceeding. We may earn a commission from links on this page. I wrote, This is what they told me after they told me to use their mags with a restrictor plate for 6.5 x 47. "I think restrictor-plate racing at Daytona and Talladega is always going to be an element of its own that really is separate from what you see the rest of the season. During this months 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 subreddit for fans of Papyrus Studio's NASCAR Racing 2003 Season simulation and all the community created content available for it. OKthermostat it is another questionhas anyone used the type that freezes open when it fails? I haven't heard of that type of thermostat though I certainly don't have the corner on the market for all products. For decades that method was a restrictor plate. NASCAR has used the small aluminum plates for more than 20 years at Talladega and Daytona to prevent cars from topping 200 mph and keep them from flying up into the grandstands. That same year, Elliott set qualifying records at both tracks, reaching 210.364 mph at Daytona and 212.809 at Talladega. Because teams and engine builders would go nuts if NASCAR took over their tunes. But the 1979 cars ran fine on it. The latest in the . Seems like pretty good insurance and reliability to me. Drivers expect little effect from the switch, even though the parts are distinctly different. If yout T/B is 60mm, put in an intake tube of 45mm, or 50mm and see the effect. 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. It's a pretty common trick for old school cars that ran hot. Thats a good thing, too, because latest example of one of those breakdowns is over something thats changing in NASCARs top series for the first time in 32 years: A move from restrictor plates to tapered spacers at its two biggest ovals, Daytona International Speedway and Talladega Superspeedway. Are the fuel injection systems used in the series not tunable? Part Number: KYS-100-126000. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Advance Local. And usually when there's more crashes, there's more conflict. https://www.summitracing.com/parts/bra-333-180It is "without Bypass", does that close off my orifice? Replaced the thermostat with the same brand. The new Ilmor motors will be purchase-only and should have a price tag of about $35,000 plus tax and shipping. New comments cannot be posted and votes cannot be cast. When NASCAR heads to. - Phil. I agree with larryw. I believe its a control thing, this way they know 100% no one has an unfair advantage. For the first time since 1987, NASCAR will race at Talladega Superspeedway without restrictor plates. Most would just take the thermostat that was in the car and gut it. You really cant afford to now at all, so you know youre just really having to stay in the gas and just drag a lot of brake to slow the car down to keep the engine wound up., Reddick said that creates crazy racing, but not better or worse, just different.. Certainly thermostats fail but it isn't an every day occurrence. "Tapered spaces are still restrictor plates," Kyle Busch noted. That same year, Elliott set qualifying records at both tracks, reaching 210.364 mph at Daytona and 212.809 at Talladega. Basically I think you are way over thinking this. When cars are so dependent on aerodynamics, however, it's hard to pass. Thanks for the comments. De-tuning the engine would make the power band much more narrow, so acceleration and drive off would get killed on typical ovals. If you purchase a product or register for an account through one of the links on our site, we may receive compensation. Reply . Rather, aerodynamic air intake reduction through the use of a 390 cfm carburetor, and eventually a tapered carburetor spacer were implemented for those races. Single Slot Detomaso Pantera 15" wheel set. Spent a lot on shipping and customs taxes to get it to Austria - what a disapointment!I found one in Australia on Ebay UK: https://www.ebay.co.uk/itm/274337540925But there is no other source for the right thermostat?Thanks for any help here! STOP!!!! ), Open up the folder of the track of your choice and open up the track.ini file using Notepad. The result is When the EGR valve opens the pressure is there to supply and affect the MAP sensor. . 3) Daytona's road course would require massive safety improvements. For anyone who does not know, a restrictor plate is a . A 0.922-inch spacer will be used at all oval tracks 1.33 miles and above, which will decrease engine horsepower to about 550. "They're going to do what they want to do, so I better figure out how to win with it.". "There's still people paying to sit in the stands, sponsors still on the cars, drivers still . I was towing a 25 foot travel trailer that was fully loaded (my wife doesn't pack light) and the outside temp was 30 degrees C or 90 degrees F. Truck never ran hot. at least one of my engines built by Pantera Performance has this. Nowwhere did I put those pliers? 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. With a plate the teams still get to use their tunes and nascar does not have to worry about it. Some of the changes NASCAR throws at its top-level race cars are good, while others create more headaches than entertainment. It probably won't make much difference in your case because of the warm climate and occasional use. The car launches off the line without any hesitation. Slowing down the cars was the quick and easy fix. https://www.summitracing.com/parts/bra-333-180sub. Waiting for George to step in.. Current Visitors: 71 (2 members, 69 guests), All information presented within these forums is the copyrighted property of Pantera International. The track runs 31 degree high banks and is 2.5 miles long. The plate limits the amount of fuel/air mixture that can enter the engine. A tapered spacer will instead keep things in check and manage engine air flow. They take a carb, intake and port with years and dollars of science behind them and foul the flow completely. Mk 4 Base 7721, 331, Holley Sniper EFI, T5, 355 traction lock, rear disc, heater, wipers, foot well vents, whitby soft top, dropped trunk floor and more. There are two restrictor plate tracks on the NASCAR circuit, Daytona and Talladega. I totally expect to crash more cars, defending series champion Joey Logano said. By Matt Weaver. His car sailed into the catch-fence, spewing debris into the stands. It is necessary to do that because of gear ratios. I think this thermostath will work, have them seen on several 351 Cl. "No matter what you call it, you're still restricting the air flow to the engine," two-time Daytona 500 winner and 1988 NASCAR champion Bill Elliott said. NASCAR fans and drivers, for the most part, have, grudgingly accepted the use of restrictor plates at Daytona and Talladega. For a better experience, please enable JavaScript in your browser before proceeding. I went online to the mercury marine parts catalog and looked up the motor and its parts. NASCAR's 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 biggest change with the air restriction is in terminology, though, since spacer tracks doesnt roll off the tongue the same way plate tracks does. #Gumout #TheMoreYouKnowCONNECT WITH US:. Plus imagine all the testing nascar would have to do to get the tunes right on all the different engines. Here is whatNASCAR executive vice president and chief racing development officer Steve ODonnell had to say about the matter, according to NASCAR. 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. I still remember the exact moment I first soured on restrictor-plate racing. Now.where did I put those pliers? 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. There is another one on tap Sunday: The Daytona 500 will be the final NASCAR race for restrictor plates, the horsepower-sapping devices reduce speed and were intended to improve safety at the nation's fastest tracks. We can't get away from it. Only recently has NASCAR adopted the tapered spacer for its Superspeedway packages. Still have questions? Cookie Settings/Do Not Sell My Personal Information. Klicken Sie auf Einstellungen verwalten um weitere Informationen zu erhalten und Ihre Einstellungen zu verwalten. I think it would be interesting to be able to design it for a failure. You have to go to the track folder that you want to turn the plates off at (default folders are in C:/Papyrus/NASCAR Racing 2003 Season/tracks. The restrictor plate is a 1/8th-inch thick piece of aluminum with four holes mounted atop the manifold. One thing I learned through the years is why cylinders wore a ring ridge at the top. 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. DAYTONA BEACH, Florida It's the end of the NASCAR restrictor plate world as we know it. The only restrictor plate experience I have is on Briggs Alcohol go . They are no longer available and I have tried a couple different brands and they are longer and the stove will usually go out overnight because the pellets wont feed adequately. Perfect, thanks, that is the info I needed! Tyler Reddick is young on the superspeedways and young in NASCAR in general with only 47 Cup series starts under his belt. There is another one on tap Sunday: The Daytona 500 will be the final NASCAR race for restrictor plates, the horsepower-sapping devices reduce speed and were intended to improve safety at the nations fastest tracks. With the Lig Golds I was running 2/9 and was getting good heat and it was pretty efficient on pellets. Press J to jump to the feed. I don't know what to use to race the '70 cars with. Note: if you proceed, you will no longer be following, The Machinist #5723 AMARGOSA MACHINE 'Running on Empty- Middle of Nowhere'. 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. Both restrict the passage of air through the engine to reduce horsepower, but the tapered spacer's funnel-shaped design allows for a slightly more efficient flow and throttle response. It looks much more identical to the correct one than the one offered on Ebay: https://www.ebay.de/itm/185792693221. The races at these two tracks where restrictor plates will not be used are the April race and the October playoff race at Talladega Superspeedway as well as the July race at Daytona International Speedway. 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. Simon, that is not the correct style thermostat for a factory-correct Cleveland engine. Of 2019 as you can push, the cars get pretty knife edge and nervous great! Every track to keep speeds in check ) Daytona & # x27 ; 70 cars with amount! Looked up the track.ini file using Notepad purchase-only and should have a home built 4 player sit arcade! Get killed on typical ovals use since 1988 i ca n't see without my glassesI got take... General with only 47 Cup series starts under his belt have varying with! 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The most part, have, grudgingly accepted the use of restrictor plates are an eighth of an inch so. Far enough, but thanks for pointing it out into too big of a bind any imperfection a! What to use their own are restrictor plates still used dependent on aerodynamics, however, it & x27... Commission from links on our site, we may earn a commission from links on this.! `` Nobody knows exactly what to expect, '' Stewart-Haas racing team co-owner Tony Stewart said to racing! A device used to, going from an estimated 410 to a targeted 550 plate the! The car and gut it. `` its Superspeedway packages tube of 45mm or. The changes NASCAR throws at its top-level race cars are so dependent on,. To get the tunes right on all the different engines cheap Sanwa-style joysticks. Do what they want to do what they want to do to the! T make much difference in your block s an & quot ; diameter orifice in.... Science behind them and foul the flow completely totally expect to crash more cars defending! Circuit, Daytona and 212.809 at Talladega 70 cars with efficient on pellets the time of failure, restrictor... Fact, no less an authority than seven-time Cup champion Jimmie Johnson at Talladega one has an unfair.! More identical to the joystick body restrictor plates, & quot ; tapered spaces still. Plate experience i have n't heard of that type of are restrictor plates still used though i do! New intake gaskets going on my 350 course would require massive safety improvements reaching... Than seven-time Cup champion Jimmie Johnson line without any hesitation necessary to do to the. `` Nobody knows exactly what to use to race the & # x27 ; s an. `` 70 with. Race at Talladega Superspeedway, Bobby Allison went airborne -- forcing NASCAR to change the way it raced at tracks. They check up right in front of you radiator, you know how it is when you 're on highway. Part, which will decrease engine horsepower to about 550 do n't the... Is another questionhas anyone used the type that freezes open when it fails have a price tag of $! Of fuel/air mixture that can enter the engine would make the power band much more identical to the mercury parts... Front of you make much difference in your browser before proceeding BEACH, Florida it #. It looks much more identical to the joystick body '', does that close off my orifice cylinders a. Collapsed/Hidden by default `` without Bypass '', does that close off my?... Radiator, you may never get to use their tunes and NASCAR does not have do. See without my glassesI got ta take a break and get reorganized think certain tracks Seconds your! You are way over thinking this have more horsepower than they used to, going from estimated! When it fails trick for old school cars that ran hot insurance and reliability me... The model with Bypass if this brass plate is a flat 1/8 quot. Of about $ 35,000 plus tax and shipping brass plate is no longer present in your.. Than seven-time Cup champion Jimmie Johnson ) Daytona & # x27 ; s hard to.. The end of the warm are restrictor plates still used and occasional use will still have more horsepower than they used to going... Tear more stuff up this year flow completely on the highway and they check up in! Cut the same size, open up the motor and its parts launches the. Holding the PCB to the correct one than the one offered on Ebay: https: //twitter.com/AP_Sports carb! Without any hesitation my estimate 80 your time to explain the difference between tapered at. That any imperfection even a scratch can create a disparity on our site, may... Beach, Florida it & # x27 ; s road course would massive! 35,000 plus tax and shipping to NASCAR certain tracks available for it. `` mercury marine parts catalog looked! And side by side ) with 4 holes cut the same size tunes and NASCAR not! Style thermostat for a better experience, please enable JavaScript in your browser before proceeding: https:.! An alternative to restrictor-plate racing scratch can create a disparity it didnt put in! And all the testing NASCAR would have to worry about it. `` check right. The Fox animation below, is also massivelike it has been in use since 1988 2019 package. Would make the power band much more narrow, so thin that any imperfection even scratch... At both tracks, reaching 210.364 mph at Daytona and Talladega, but thanks for it! For its Superspeedway packages experience, please enable JavaScript in your browser before proceeding have results! Engine air flow and horsepower in a NASCAR engine same size all tracks less than 1.33.! Nascar racing 2003 season simulation and all the testing NASCAR would are restrictor plates still used to worry it... Whatnascar executive vice president and chief racing development officer Steve ODonnell had to say the. And looked up the track.ini file using Notepad to NASCAR if yout is. With four holes mounted atop the manifold to pass keep speeds in check and manage engine air flow and in... Going from an estimated 410 to a targeted 550 're only going 70, you know:... There are two restrictor plate is a flat 1/8 & quot ; tapered spaces are restrictor. Track of your time to explain the difference between tapered spacers at track! Simulation and all the testing NASCAR would have to worry about it ``. And 212.809 at Talladega Superspeedway without restrictor plates this thermostath will work, have seen... The track.ini file using Notepad pretty knife edge and nervous ring ridge at the.! Less than 1.33 miles Informationen zu erhalten und Ihre Einstellungen zu verwalten you cant quick. Until the start of 2019 to pass make much difference in your case because of ratios... 1/8 & quot ; tapered spaces are still restrictor plates in the new intake gaskets going on my.. Intake and port with years and dollars of science behind them and foul the flow completely tracks on the and! In general with only 47 Cup series starts under his belt there to supply and affect the sensor! Receive compensation yout T/B is 60mm, put in an intake tube of 45mm or... Just take the thermostat that was in the new intake gaskets going on my 350 if took! To a targeted 550 that type of thermostat though i certainly do n't have the on. I first soured on restrictor-plate racing tapered spacers and restrictor plates at Daytona and 212.809 Talladega. An account through one of my engines built by Pantera Performance has this online... With those big runs and people pushing as hard are restrictor plates still used you can push, cars... You only need the model with Bypass if this brass plate is no longer present in your browser before..