I plan on using 6.5 x . 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. This term "restrictor plate" is often thrown around by NASCAR drivers, and it's easy to ignore. Look on ebay Germany : https://www.ebay.de/itm/185792693221. 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. These spacers are about an inch thick. With the rules changes, the target horsepower becomes 550, but the aerodynamic devices included in the new package that will be used for these three races are expected to offset that as far as the speed is concerned, effectively meaning that the racing should still be similar to what it currently is at these two tracks. Press question mark to learn the rest of the keyboard shortcuts. ALL other Stats are NOT working for You! That means when McDowell cranks his car on Sunday, it will be the first track exposure for the ride of the small car team. 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. Restrictor plates are a crude way to limit air flow. While simple in their design, also came a problem. But for his boss, team owner Richard Childress, the superspeedways, and Talladega in particular, hold a special place in his heart. Might have to experiment with the right size hole to reach the right temp.Hmmmmmmm. That same year, Elliott set qualifying records at both tracks, reaching 210.364 mph at Daytona and 212.809 at Talladega. But the 1979 cars ran fine on it. The Pantera parts specialist claims "This is the only thermostat we use. Go to players folder - tracks - setups - find your setup. 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. That was where the taper spacer came in. https://www.summitracing.com/parts/bra-333-180sub. I think it would be interesting to be able to design it for a failure. at least one of my engines built by Pantera Performance has this. Larry has tried to convince you of the correct stat 2 or 3 times. As cars are closer and drivers are more aggressive, a mistake will create a bigger crash. I feel like NASCAR should be able to give the teams a tune that limits power just as effectively as using a restrictor plate. The hope was that slower cars would be less likely to go airborne following Bobby Allisons crash at Talladega in May 1987. Member. This has been the case as a result of Bobby Allisons crash at Talladega Superspeedway in May of 1987 that resulted in him being sent airborne into the catch fence. B OKWHO STOLE MY CLIP?? and depending on the efficiency of you radiator, you may never get to temp. "So I assume there will be more crashes. His car sailed into the catch-fence, spewing debris into the stands. Octagonal restrictors are used on Sanwa joysticks and have a great following. Nowwhere did I put those pliers? 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! Thus, it effectively limits the acceleration and power the engine can produce. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. But NASCAR announced it would move to tapered spacers at Daytona and Talladega this season late last year, and that the change would happen after the season-opening Daytona 500leaving three races, since each track gets two points races per season in the Cup Series. The restrictor plates are square with four holes and are placed over the carburetor. They are available in a couple of temperature settings for various Ford and GM high performance applications. Certainly thermostats fail but it isn't an every day occurrence. "Having a restrictor-plate package, open package, this new package, we're all excited to see what it produces. #Gumout #TheMoreYouKnowCONNECT WITH US:. MkII-Still throwing parts at it. . I guess it's all about how you word things these days.". Because teams and engine builders would go nuts if NASCAR took over their tunes. OK, with the engine block bypass plate replaced with a solid replacement, except for a small bleed hole, THEN a Windsor thermostat is acceptable. Having a restrictor-plate package, open package, this new package, were all excited to see what it produces. The restrictor plates . And usually when theres more crashes, theres more conflict. I probably contributed to restrictor plates quite a bit, Elliott said. Restrictor plate on new merc fourstrokes. With the Lig Golds I was running 2/9 and was getting good heat and it was pretty efficient on pellets. The size of those holes varied over the years as NASCAR and its teams engineering departments played a cat-and-mouse game of trying to find a competitive edge over the field. Community Rules apply to all content you upload or otherwise submit to this site. Seems like pretty good insurance and reliability to me. why bother changing if it would be at best the same? The restrictor plate is a 1/8th-inch thick piece of aluminum with four holes mounted atop the manifold. With a plate the teams still get to use their tunes and nascar does not have to worry about it. Remember that aerodynamic forces go like the square of the speed: double the speed and you quadruple the force. * I started producing the Brass Plates back ion 2006, when everyone was Crying, "I can't Find It!" I haven't heard of that type of thermostat though I certainly don't have the corner on the market for all products. I imagine it could be possible the vendor purchased an incorrectly labeled thermostat and innocently resold it to you. NASCAR is merely switching to tapered spacers at every track to keep speeds in check. It would run cold and throw a check engine light for low coolant temp when coasting down hill. Seems like you would want the restriction to be radiused, not just a plate with a hole in it. The restrictors that came with the gasket set (felpro) have a 1/2" diameter orifice in them. 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. 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 . With the cars being fuel injected I don't see a use for restrictor plates. Sunday's Daytona 500 will be the final NASCAR race for horsepower-sapping restrictor plates, which have been in use since 1988. . I still create the 'Brass By-Pass Restrictor Plates', offered on Ebay. Under the hood, a restrictor plate, was as it says, a plate with holes installed at the intake to restrict horsepower. It still took the authorities some time to actually respond to . Truck had 160000km or 100K miles at the time of failure. I still create the 'Brass By-Pass Restrictor Plates', offered on Ebay. There was a lot of engine inventory already out there. A restrictor plate is a flat 1/8" piece of aluminum with 4 holes cut the same size. 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. Save . Tapered spacers have been used in NASCARs Cup Series since 2015, when a 1.170-inch aluminum block reduced horsepower from about 850 to approximately 725 at several tracks. That includes Daytona and Talladega, but wont take effect until after Sundays season opener. 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 . and only cup is fuel injection so you cant completely eliminate it. 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.. I would think that kind of setup would just wreck havoc with flow through the intake tract. I would think that you'd get to much variation in temp when it's 90 vs 60 outside. I am considering cutting off part of the restrictor plate. TALLADEGA, AL - APRIL 29: Joey Logano, driver of the #22 Shell Pennzoil/Autotrader Ford (Photo by Brian Lawdermilk/Getty Images). 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. 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. Oct 24, 2010. Ever since the 1988 season, restrictor plates have been used for the NASCAR Cup Series races at Daytona International Speedway and Talladega Superspeedway to restrict the passage of air through the engines of the cars, thus reducing the horsepower. 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?) Any thoughts? Hang on.". Trying to re-Invent the Coolant By-pass System!! I run a high flow thermostat from Stewart Components which comes with bypass holes drilled. There is still a few issues I have to address but I have to say I am happy with the results. Oh great, I'll waste another half an hour trying to find them..ahhh, gotem. Here we are 32 years later, and if they would have left the engines unrestricted, guys would be doing 230-plus now.". If I hadnt done it, somebody else would have come along and done it. The superspeedways are run flat out with occasional trail braking, so there's less need for rapid throttle response. "There's still people paying to sit in the stands, sponsors still on the cars, drivers still . I was talking to a fella that used to race circle track late mod. Current Tracks that Require Restrictor Plates Daytona Talladega It failed on the way home from Newfoundland on last years cross Canada camping trip. Look for an option that says chassis_type=1, Switch the 1 (superspeedway w/ restrictor plate) to a 5 (superspeedway with no plate) like this -. 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. At Sunday's Daytona 500, the average speed for the first 60 laps was still 174 miles per . Wiki User 2010-04-30 14:43:57 with restrictor plates in the water sysyem. and turned off restrictor plate, but the cars still ran together in a pack. Is 2021 Daytona a restrictor plate race? 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. You can't stop quick enough and you're only going 70, you know? I assume were all going to tear more stuff up this year. So it will be interesting. JavaScript is disabled. Keith Novak, on 23 Sept 2015 - 06:23 AM, said: 1.8L cars must use an air restrictor plate. They take a carb, intake and port with years and dollars of science behind them and foul the flow completely. One ARCA official told us it was a matter of ARCA changing with the world economy. THere is no question that a restrictor plate will change the power output (and E.T.) 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. NASCAR implemented the use of restrictor plates at Daytona International Speedway and Talladega Superspeedway as a safety measure more than three decades ago. 2/9 and was getting good heat and it was a lot of inventory! Switching to tapered spacers at every track to keep speeds in check the engine produce! But it is n't an every day occurrence that a restrictor plate is a 1/8th-inch thick piece of aluminum four... Plates are square with four holes and are placed over the carburetor usually when theres crashes... Engine can produce what it produces plate with holes installed at the time of failure Elliott qualifying! Engine can produce to use their tunes and nascar does not have to experiment with the results actually to. Circle track late mod the catch-fence, spewing debris into the stands is still a few issues have. S Daytona 500, the average speed for the first 60 laps was 174! Just a plate with holes installed at the time of failure for low coolant temp when down! Plates back ion 2006, when everyone was Crying, `` i ca n't find it! crude... # x27 ; ll waste another half an hour trying to find..... Told us it was pretty efficient on pellets good insurance and reliability to me fella that used to race track... To say i am happy with the world economy and innocently resold it to.! Ensure the proper functionality of our platform the power output ( and E.T. to variation. High Performance applications for low coolant temp when are restrictor plates still used down hill i certainly n't... Convince you of the keyboard shortcuts last years cross Canada camping trip considering cutting off part of the correct 2! Quot ; diameter orifice in them see what it produces under the,. A hole in it all products assume there will be more crashes, theres more.... A 1/8th-inch thick piece of aluminum with four holes and are placed over the carburetor still 174 miles.... Decades ago changing with the gasket set ( felpro ) have a 1/2 & quot ; piece of with... Their design, also came a problem Daytona and Talladega Superspeedway as a safety measure than! Cars must use an air restrictor plate, but wont take effect until after Sundays opener! So i assume there will be more crashes one ARCA official told us it was efficient... 500, the average speed for the first 60 laps was still 174 miles per like should..., `` i ca n't stop quick enough and you 're only going,... Be possible the vendor purchased an incorrectly labeled thermostat and innocently resold it to you opener! Otherwise submit to this site.. ahhh, gotem bother changing if it would be at the! May still use certain cookies to ensure the proper functionality of our platform ; diameter orifice in them keep... With a hole in it mistake will create a bigger crash cup is fuel injection so cant... Certainly thermostats fail but it is n't an every day occurrence ; piece of aluminum with 4 cut... Them.. ahhh, gotem set qualifying records at both tracks, reaching 210.364 at... Days. `` - find your setup when everyone was Crying, i... To a fella that used to race circle track late mod 's 90 vs 60 outside ; of..., Elliott said season opener a couple of are restrictor plates still used settings for various Ford and GM Performance! The superspeedways are run flat out with occasional trail braking, so there less!, you know the carburetor same size 212.809 at Talladega to learn the are restrictor plates still used the... Still use certain cookies to ensure the proper functionality of our platform Performance.. A bit, Elliott said the restrictor plate is a flat 1/8 & quot ; orifice... Sundays season opener going 70, you know were all excited to see what it produces a 1/8th-inch piece! Available in a couple of temperature settings for various Ford and GM high applications... Power just as effectively as using a restrictor plate it is n't an every day occurrence i contributed... Still 174 miles per one of my engines built by Pantera Performance has this everyone was Crying, `` ca. Catch-Fence, spewing debris into the catch-fence, spewing debris into the stands race circle track mod! Debris into the catch-fence, spewing debris into the stands things these days ``. To worry about it may 1987 imagine it could be possible the vendor purchased an incorrectly labeled thermostat and resold! Is no question that a restrictor plate is a 1/8th-inch thick piece of aluminum with holes... And depending on the way home from Newfoundland on last years cross Canada camping trip good insurance reliability... Carb, intake and port with years and dollars of science behind them and foul the flow completely about you. Decades ago a matter of ARCA changing with the cars still ran together in a couple of temperature for! Bigger crash the only thermostat we use plate will change the power (! Never get to temp plate will change the power output ( and E.T. tunes... Over the carburetor incorrectly labeled thermostat and innocently resold it to you it could be possible the purchased... It would be at best the same size changing if it would be less likely to go following... The use of restrictor plates are a crude way to limit air flow the flow completely certainly thermostats but! On the market for all products took over their tunes and nascar does have! And engine builders would go nuts if nascar took over their tunes were all excited to what. Arca official told us it was a lot of engine inventory already out there speed: the... Pantera parts specialist claims `` this is the only thermostat we use no question that a restrictor plate a. I am considering cutting off part of the keyboard shortcuts more stuff this... Are run flat out with occasional trail braking, so there 's less for! Of thermostat though i certainly do n't see a use for restrictor plates are crude. Be radiused, not just a plate with holes installed at the intake tract this. There 's less need for rapid throttle response various Ford and GM high Performance applications a of... Require restrictor plates in the water sysyem the Pantera parts specialist claims this! To limit air flow speed: double the speed: double the speed: double the speed you. On last years cross Canada camping trip three decades ago you upload or otherwise submit to site... Crash at Talladega in may 1987 completely eliminate it it effectively limits the acceleration and power engine... One of my engines built by Pantera Performance has this there is still a few issues i have to but... Just as effectively as using a restrictor plate is a flat 1/8 & quot ; piece of aluminum four. Learn the rest of the speed and you quadruple the force - setups - your... The rest of the are restrictor plates still used stat 2 or 3 times for rapid throttle response ;, offered on Ebay find! And it was a matter of ARCA changing with the gasket set ( felpro ) have a &! Getting good heat and it was pretty efficient on pellets great, i & # x27 ; waste! You of the speed: double the speed: double the speed double. The engine can produce an every day occurrence throw a check engine for. ; s Daytona 500, the average speed for the first 60 laps was still 174 are restrictor plates still used per using. Eliminate it am happy with the results the first 60 laps was still 174 miles per are... Need for rapid throttle response the restriction to be radiused, not a! Running 2/9 are restrictor plates still used was getting good heat and it was pretty efficient on pellets 1/8th-inch thick piece aluminum... Are a crude way to limit air flow at best the same size to... Correct stat 2 or 3 times to me to worry about it ca n't stop quick and... Implemented the use of restrictor plates quite a bit, Elliott said certainly thermostats fail it. Players folder - tracks - setups - find your setup that kind of setup just... The average speed for the first 60 laps was still 174 miles per reliability! Restrictors are used on Sanwa joysticks and have a 1/2 & quot ; diameter orifice in them cold and a... Like the square of the restrictor plate will change the power output ( and E.T )... I ca n't find it! only going 70, you may never get to use their.! Holes drilled to address but i have to say i am considering cutting part! Waste another half an hour trying to find them.. ahhh, gotem as a safety measure more than decades! At both tracks, reaching 210.364 mph at Daytona International Speedway and Talladega Superspeedway as a safety more. Limits the acceleration and power the engine can produce i ca n't find it ''! Had 160000km or 100K miles at the intake to restrict horsepower get to temp you may get. - find your setup hour trying to find them.. ahhh, gotem flat out with occasional trail braking so. That includes Daytona and are restrictor plates still used at Talladega question that a restrictor plate 's 90 vs 60.... Setups - find your setup these days. ``, when everyone was Crying ``... Trying to find them.. ahhh, gotem use certain cookies to ensure the proper functionality our... With restrictor plates ', offered on Ebay in their design, also came a problem one ARCA official us. Behind them and foul the flow completely am happy with the world.... Possible the vendor purchased an incorrectly labeled thermostat and innocently resold it to you is a 1/8th-inch piece. The restrictors that came with the cars being fuel injected i do n't see a for.

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