nhra pro stock engine rules

All vehicles must be full-bodied cars and weigh no less than 2,800 pounds except for six-cylinder cars, which may have a minimum weight of 2,000 pounds, and four-cylinder- and rotary-powered cars (1,200 pounds). . If you check the Rule Book, A/Stock Automatic has a weight break of 8.00-8.49 pounds, while AA/Stock Automatic has a weight break of 7.50-7.99 pounds. 1 qualifier on Saturday at Houston Raceway Park in Baytown, Texas. Comp, Super Stock, and Stock are made up of a variety of classes and use ahandicap starting systemto equalize competition. The injected nitro cars do not use a transmission, and the supercharged cars have three forward speeds. The Jr. Theyre all so close its unreal.. Tires are limited to a maximum 9-inch-wide rear slick. The rules for pro stock are as follows: 5 million in the bank, an engine builder who doesn't look at you as if you were a piece of meat, a sympathetic chasis builder, and a 200K a year crew chief. DeFlorian's Mountain Motor Pro Stock engine measures in at 825 cubic inches more than double the size of say, a Dodge Demon. NHRA pro stock engines are restricted to a maximum 500 cu in (8.2 L) single-camshaft, 90-degree V8. Below lie the complete set of rules for Pro Stock Eliminator in the year 1974. News. 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It was initially a Ford twist test vehicle to analyze welds that was shipped to Sandy Elliot's shop where Poole built it and its engine to conform to NHRA Pro Stock rules. per cubic inch, for original "true wedge" or incline valve engines. They are capable of covering the dragstrip in less than 3.7 seconds at more than 330 mph. Chevrolet Camaros have been the bodystyle of choice the last several years; Dodge pilot Allen Johnson was the last non-Chevy driver to win the world championship, in 2012. The 2021 NHRA Rulebook and 2021 Summit Jr. In a history-making decision made at the request of the teams, NHRA will allow Pro Stock racers to run any currently approved engine combination in any currently approved body, regardless of the . Similar in physical appearance to their nitro-burning Funny Car counterparts, Top Alcohol Funny Cars are restricted to the use of methanol fuel and have a three-speed transmission. At NHRA Lucas Oil Drag Racing Series races and select NHRA Mello Yello Drag Racing Series events, Super Street racers compete on a fixed 10.90-second index. [FONT=Arial, Helvetica, sans-serif] NHRA 2007 Pro Stock Motorcycle Rule Changes [/FONT] [FONT=Verdana, Arial, . Weights vary according to combination but are generally between 1,975 and 2,125 pounds. The quickest of the heads-up Super classes (8.90 index), Super Comp is composed primarily of dragsters. Funny Cars are also similar to Top Fuel dragsters in that they do not use a transmission but rather transmit power to the huge Goodyear rear slicks through a multistage clutch assembly that is activated by timers. Call us today to find out more about the horsepower/torque of the combo that you need! Funny Cars are powered by the same supercharged and fuel-injected 500-inch engines as Top Fuel dragsters. Drag Racing League Rulebook also covers everything that families need to know to enter this exciting arena and provide kids as young as 5 years of age their formal introduction to the sport. The cars had to be '68 or later American-built production vehicles with a gasoline-burning V8 engine as originally produced by the . Often called factory hot rods because of their resemblance to production-based automobiles, Pro Stock cars are some of the most technologically advanced machines in drag racing. All logos and images are reserved. Here is a detailed look at both the Suzuki inline four-cylinder engine and the 45-degree pushrod V-Twin that powers the Harley-Davidson, Buell, and EBR entries. . 1974 National Hot Rod Association Drag Rules DESIGNATION: PRO, preceded by car number. The 1974 NHRA Drag Rules - Pro Stock Eliminator. Stock cars are similar to Super Stockers, but the rules regarding everything from engine modifications to body alterations are much stricter. Its been ready for over a year and I think a lot of people, including Ford, are eager to see it out on the track.. The engine still must be an internal-combustion, reciprocating, naturally aspirated, single camshaft, 90-degree V-8 (i.e., cylinder bank must be at a 45-degree angle from the camshaft/crankshaft centerline, creating a combined 90-degree angle) automotive-type engine with a maximum 500 cid. The engine combinations are just as diverse as the vehicles, from turbocharged four- and six-cylinder engines to Pro Stock-style V-8s and nitrous-oxide-equipped mountain motors. 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The 2021 NHRA Rulebook and 2021 Summit Jr. ! Performances can be in the 5.1s at more than 285 mph. The National Hot Rod Association is the major (some would say only) sanctioning body for professional and Sportsman drag racing. Pro Stock engines use electronic fuel injection and spec gasoline and are restricted to a maximum of 500 cubic inches. One of the key parts of these rules is the factoring numbers that are near the top of the rules. The cooperation from all of those involved in the process was very encouraging and we look forward to the 2018 Pro Stock season.. They can make in excess of 1,300 horsepower. Body choice must be from a 2009 or later NHRA-accepted 2-door or 4-door coupe or sedan (domestic or foreign) production vehicle. The category features primarily late-model sedans and vintage muscle cars, and entries are classified using a system that divides factory shipping weight by NHRA-factored horsepower. Click here for the Stock Eliminator class rules on the NHRA website. Aftermarket blocks permitted if designed and cast with OEM approval, and currently accepted by NHRA. The other basic rules of the class remain. Entries can run in the sixes at more than 200 mph. Copyright 1996-2022, NHRA. Surface Studio vs iMac - Which Should You Pick? Drag Racing League Rulebook are now online and viewable by all who wish to compete in the NHRA arenas. Also as in Super Comp, races are staged using a four-tenths Pro start. Racers compete on a five-tenths Pro Tree. NHRA Camping World Drag Racing Series champions crowned at Awards Ceremony, Mike Neff joins Tony Schumacher for 2023 NHRA Top Fuel championship bid, Unofficial Camping World points standings, Ron Capps wins third NHRA Funny Car world championship in dramatic fashion, Pro Stocks Camrie Caruso named 2022 NHRA Rookie of the Year, Matt Smith locks up record-tying sixth Pro Stock Motorcycle championship, Brittany Force clinches second NHRA Camping World Top Fuel championship, Lucas Oil reinforces long-term NHRA commitment with multi-year extension, Johnson's Horsepowered Garage to double-down in 2023 with Butner and Enders, Maurice DuPont has big future plans beyond his Top Fuel return at NHRA Finals, Sierra Auto Group backs Terry Haddock Racing entries at Auto Club NHRA Finals, Kalitta Motorsports, Clean Harbors to host veterans at Auto Club NHRA Finals, Top Fuel title contenders set for thrilling duel at Auto Club NHRA Finals, Sixth NHRA world title within reach for Matt Smith at Auto Club NHRA Finals, Robert Hight looks to ward off Ron Capps, Matt Hagan to claim Funny Car title, NHRA, FOX Sports release 2023 Camping World Drag Racing Series TV schedule, Schumacher to campaign A Soldiers Child dragster on Veterans Day weekend, CMR Construction & Roofing. On the same day, the NHRA hit the North Carolina-based driver with a violation notice. They, along with Top Alcohol Dragster and Top Alcohol Funny Car, the three "Super" classes Super Comp, Super Gas, and Super Street and Pro Mod feature a single class of vehicle in heads-up competition. sans-serif] Following is a summary of new rules for a 101 cid, 4 valve, 4 cylinder engine combination in Pro Stock Motorcycle. They can make in excess of 1,300 horsepower. Pro Stock engines use electronic fuel injection and spec gasoline and are restricted to a maximum of 500 cubic inches. Class eligibility is based on various requirements and specifications, including type of vehicle, engine size, vehicle . It could come from cowl induction, but there hasn't been any talk of bodywork . Senior editor Kevin McKenna takes you inside a Pro Stock Motorcycle engine with this technical breakdown. Modifications are limited to a basic balancing and rebuild with only a few performance enhancements. NHRA Pro Stock Motorcycle Rules Inline four cylinder metric bikes can now have four [] A/ED through G/ED are the classes, again each with their own engine rules and requirements. $23.50 1 Used from $23.97 4 New from $23.50. Constructed of chromoly steel tubing and carbon-fiber composite, Top Fuel cars are 25 feet long and weigh 2,330 pounds in race-ready trim. CLICK HERE TO VIEW THE 2021 JDRL RULEBOOK E-BOOK | PDF VERSION. Following a 1973 NHRA rule change to allow records to be set at any national meet, . ENGINE BLOCK. Whereas Top Fuelers use supercharged, nitro-burning engines, Top Alcohol Dragsters may use a supercharged methanol-burning engine or an injected nitromethane combination. We'll start with probably the simplest of the three-NHRA Stock Eliminator. With an eclectic mix of vehicles that range from 41 Willys coupes to 63 Corvettes to late-model Ford Mustangs and Dodge Vipers, few classes offer as much diversity and excitement. Pro Modifieds can either be raced on 1/4 mile or 1/8 mile tracks.Usually, the NHRA races Pro Mod cars on the 1/4 mile, resulting in high 5 to low 6 second passes, while the PDRA races strictly on 1/8 mile track setups, allowing for high 3 second-to low 4 second passes. From the achievements of pioneers such as Bill "Grumpy" Jenkins and the famed Sox & Martin through season after season of utter domination by Bob Glidden to today's six-second, 210-mph . all forms of pro racing uses amasing amounts of $$$$ for small improvements within the constraints of the RULES! NHRA Summit Racing Series Street Legal EV Series Rules Section of NHRA Rulebook; Junior Dragster Racing League . Body, drivetrain, chassis, etc. I was reading the rules about "Engine Modifications" and it states that (Quote) "Any intake manifold permitted provided unit is of same configuration as original for carburetor used and will fit under original factory- produced, installed hood." (End quote). Copyright 1996-2022, NHRA. Major changes to the vehicle were required to accommodate the engine's massive torque. Class Racing refers to the eliminators of Competition, Stock, and Super Stock. Performance: More than 1,400 hp and 800 lb-ft of torque. One of the key parts of these rules is the factoring numbers that are near the top of the rules. As in Super Comp, competitors use electronic timers and throttle stops to run as close to the class standard without going under. (left side of header image) (right side of header image) ENGINE BLOCK. Pro Stockers are NOTHING close to stock!! December 10, 2009 admin. All existing 4 valve engine combinations . The main NHRA Rulebook is packed with all . PRO STOCK MOTORCYCLE - SUZUKI. The minimum weight is 2,100 pounds except for four-cylinder-powered cars, which may have a minimum weight of 1,200 pounds. . Engine, chassis, and body modifications are virtually unlimited. NHRA is now allowing any approved engine in any approved body. This division has specific rules about engines, components, bodies, etc. when the Pro Stock class debuted, the NHRA rulebook was barely a page long. Super Stock vehicles may look like ordinary passenger vehicles, but they are highly modified race cars. Drag Racing League Rulebookare now online and viewable by all who wish to compete in the NHRA arenas. Built around a sophisticated tube chassis and four-link rear suspension, Pro Stock cars must conform to precise measurements and weigh no less than 2,350 pounds. The engine choices are equally as diverse; competitors can use superchargers, turbochargers, or nitrous-oxide injection and run into the high-five-second zone at speeds of more than 250 mph. The engine pool must contain parts homologated by IndyCar and applied according to the rules stipulated in the engine regulations. Similar to their Top Fuel counterparts but with a shorter wheelbase and a carbon-fiber body that loosely resembles a production-based automobile, Funny Cars can run in the 3.8-second range and are capable of speeds in excess of 330 mph. All logos and images are reserved. Top Alcohol Funny Cars feature basically the same chromoly steel chassis as the nitro cars and are fitted with the same carbon-fiber replica bodies, though the Top Alcohol Funny Car bodies do not need as much downforce and use a much smaller rear spoiler. All logos and images are reserved. to long-tenured nitro Funny Car driver, 'Today is the start of my future': Second-generation Haddock makes first nitro runs, NHRA on FOX is live from 2022 SEMA ShowDay 4, Behind the Scenes with the winners of the 2022 NHRA Nevada Nationals, NHRA on FOX is live from 2022 SEMA ShowDay 3, Weekend Rewind: A video look back at the 2022 NHRA Nevada Nationals, NHRA on FOX streaming live from 2022 SEMA ShowDay 2, Watch Now! Class is determined by total car weight divided by total cubic inches engine displacement. The NHRA Nostalgia Supplement provides guidelines and minimum standards for the 7.00 or more lbs. The main NHRA Rulebook is packed with all the information you need to go racing with NHRA, and class-by-class regulations and requirements, racing procedures, and more areall covered in this authoritative handbook. In a history-making decision made at the request of the teams, NHRA will allow Pro Stock racers to run any currently approved engine combination in any currently approved body, regardless of the manufacturer, during the 2018 NHRA Mello Yello Drag Racing Series season. Engine sizes vary widely, ranging from 92 to 160 cubic inches. The 2022 NHRA Rulebook and 2022 NHRA Summit Racing Jr. A traditional bracket racing format is used with a full three-amber Christmas Tree start, and the breakout rule is enforced. Those classes are grouped into 15 categories, or eliminators, each governed by NHRA rule makers. you can prolly find detailed info with a search!!. Copyright 1996-2022, NHRA. Major Components included: Base Option: Starting at $41,750. NHRA Will Add New Racing Class for 2022. Holley, Teams Offer Insight Into New Pro Stock EFI Rules. Kalitta Motorsports extend into 2023 season, Moon Equipped rides again with Jim Dunn Racing in Pomona, Krista Baldwin to honor her late father with throwback scheme at NHRA Finals, After a 30-year hiatus, Maurice DuPont will return to Top Fuel in Pomona, Tickets on sale for NHRAs 2023 national event return to Route 66 Raceway, Travis Shumake to honor fathers upset win with tribute car at Auto Club Finals, It all comes down to this: NHRA world champions will be crowned in Pomona, Tickets now on sale for prestigious Dodge Power Brokers NHRA U.S. Nationals, Comp, Super Comp, and Top Dragster champions crowned at Las Vegas event, NHRA, Fairplex announce extension for racing at Pomona through 2033 season, From red-light to near disaster: Comp racer Ryan Warter takes a wild ride in Vegas, Tony Stewart impresses with solid qualifying run in Top Alcohol Dragster debut, CLICK HERE TO VIEW THE 2021 RULEBOOK E-BOOK, CLICK HERE TO VIEW THE 2021 JDRL RULEBOOK E-BOOK. Virtually any car is eligible to compete, and entries are classified using a system that divides factory shipping weight by NHRA-factored horsepower. Ignition system: electronic fuel injection/ignition, two spark plugs per cylinder. Cylinder Heads: Ported Aluminum NHRA Accepted Heads To Class Specs Intake Manifold: Ported Edelbrock The Australian National Drag Racing Association and IHRA have a 400 cu . The NHRA Technical Department is increasing the minimum weight of the Harley-Davidson, Victory, Erik Buell Racing and Buell motorcycles from 625 pounds to 640 pounds. Minimum weight on the rear axle at conclusion of run: 1,100 pounds, including driver. All other motorcycle minimum weights will remain the same: (Suzuki: 2-Valve, 107 cubic inch displacement (cid) - 590 pounds), (Suzuki: 2-Valve, 113 cid - 600 pounds . Cars are handicapped using an index system, and the breakout rule is enforced. 7.00 or more lbs. Teams ran the Chevy 427 Mk IV, Ford Boss 429 or 427 SOHC and the Chrysler . Engine speed limit: 10,500 rpm. NHRA also clarified a rule regarding the mandatory fuel-injection units, citing that no part of an injector may protrude above the runner flange into the plenum area. one class each for stick and automatics. "The biggest effect [with change from carburetors to electronic fuel injection] is not the EFI," says . All three of the bodystyles Ford, Chevy, and Dodge are so close aerodynamically that theres no advantage or penalty for choosing your favorite. Top Fuel, Funny Car, and Pro Stock are just three of the more than 200 classes of vehicles featured in NHRA competition. I have a 1992 Mustang GT that I plan on racing in the NHRA Super Stock category. All logos and images are reserved. Drag Racing League Rulebook also covers everything that families need to know to enter this exciting arena and provide kids as young as 5 years of age their formal introduction to the sport. Top Alcohol Dragsters may look like Top Fuelers, but they have significant differences. My gut says this is the first step towards a spec engine for the class. The four Professional categories are Top Fuel, Funny Car, Pro Stock, and Pro Stock Motorcycle. Extended cab, mid size (Ranger, S-10 and Dakota), 1997 and newer . Those classes are grouped into 12 categories, or eliminators, each strictly governed by NHRA rule makers. Top Fuel, Funny Car, and Pro Stock are just three of the more than 200 classes of vehicles featured in NHRA competition. Powered by a supercharged and fuel-injected 500-cubic-inch adaptation of the famed Chrysler Hemi engine, Top Fuel dragsters can burn up to 15 gallons of nitromethane fuel during a single run. A competitive Pro Stock car can . It has mostly stuck to its formula with Top Fuel, Funny Car, and Pro Stock as its three main car classes. Then, the 1972 Pro Stock rule changes made the car obsolete. Top Alcohol Funny Cars are capable of performances in the 5.3s at more than 270 mph. Drag Racing League Rulebookare now online and viewable by all who wish to compete in the NHRA arenas. Following the NHRA's release of EFI requirements for Pro Stock engines yesterday (August 13), intake manifold design will be a highly coveted expertise in the next few months. See all 2 photos. On the other rules, NHRA hasn't set direction for getting air to the engine without a hood scoop. may not be altered, modified, or relocated, except as outlined in Requirements & Specifications in the Rulebook. Aug 17, 2015. Drag Racing League Rulebook are now online and viewable by all who wish to compete in the NHRA . 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Design Most Super Comp cars are capable of running well under the 8.90 index but use a number of electronic aids, including a timer and adjustable throttle, to run close to the index without running quicker than it, or breaking out. At the conclusion of the 2006 Pro Stock Motorcycle season, the NHRA made changes to the PSM rules that promise to change the face of the class as significantly as the 2002 rule changes that allowed purpose-built V-Twin engines to compete. More signs of growth as Ashley finishes fourth in Top Fuel standings, Five Things We Learned at the Auto Club NHRA Finals, Jim Campbell: A trip from 'Who are you?' The other rules are incidental. The Camaro can run either of these two classes by removing weight. Engine Blueprint Specifications: Indexes and Records: NHRA Accepted Products: Rules: Stock Car Classification: Tech Support Contacts: Chassis Inspector: Contingency Award Rules & Policies: Sponsor Listing & Contact Information: . Displacement/weight ratios subject to re-evaluation March 19, 1973. Fuel injection is permitted, and spec gasoline is the only fuel allowed. P/ST uses the same formula as the now defunct Pro Stock Truck class that was run in NHRA from 1997 to 2001. This category for open-wheel entries features a qualified field of 32, 48, or 64 vehicles. Top Dragster and Top Sportsman feature a single class of vehicle in bracket-style competition. The 2022 NHRA Rulebook and 2022 NHRA Summit Racing Jr. Like Top Fuelers, Top Alcohol Dragsters are restricted to a maximum wheelbase of 300 inches. 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Categories or other exhibition nostalgia classes (for example, Nostalgia Super Stock) that are not in this Nostalgia Supplement will be governed by Section 4A - (Super Pro, Pro, Sportsman) and Section 4B - Advanced E.T. The class features a wide variety of makes, models, and engines, including V-Twin entries from Harley-Davidson, Victory, EBR, and Buell and inline four-cylinder-equipped Suzuki and Kawasaki models. Oct 9, 2003. The 2021 NHRA Rulebook and 2021 Summit Jr, Drag Racing League Rulebookare now online and viewable by all who wish to compete in the NHRA arenas. The NHRA limits engine displacement in Mountain Motor categories to 843 cu in (13.8 L). Once an engine is used in a vehicle at an event, that engine cannot be used in another vehicle for the duration of the event. Class eligibility is based on various requirements and specifications, including type of vehicle, engine size, vehicle weight, allowable modifications, and aerodynamics. No dragsters or altereds are permitted. According to a Facebook post by her father Marc Caruso, the NHRA has rejected the Titan Engines Intake Manifold for the Pro Stock that she drives. A traditional bracket racing format is used with a full three-amber Christmas Tree start, and the breakout rule is enforced. The main NHRA Rulebook is packed with all the information you need to go racing with NHRA, and class-by-class regulations and requirements, racing procedures, and more areall covered in this authoritative handbook. per cubic inch, for original "true wedge" or incline valve engines. A team shifting at 11,500 works with a power band roughly between 9,500 and 11,500 rpm. Pro Stock engines generally will fall back 2,000 rpm on each shift. Each class is assigned an index based on what a well-built car should run, and races are handicapped according to those indexes. Bodies must be unaltered and retain a full factory interior. Ignition system: Electronic fuel injection/two spark plugs per cylinder, Fuel: Sunoco SR-18, 118-octane leaded (mandatory), Fuel: Sunoco SR-18 118-octane leaded race gas (mandatory), Fuel burned per run: 20-ounces, burnout to completion, Fuel burned per run: 20-ounces, burnout to run completion, Headers: Stepped from 1.875 inch outside diameter to 2.25 inch four-into-one collector, Headers: stepped from 2.25 inch outside diameter to 3 inch, Estimated horsepower and torque: 370 @13,600 rpm / 160 @ 10,000 rpm, Estimated horsepower and torque: 400 @ 9800/240 @ 7,000, Estimated weight: 185-pounds dry weight (engine and transmission as singular unit), Estimated weight: 220-pounds (dry weight). Four- and six-cylinder-powered entries may have a minimum weight of 1,000 pounds; all others cannot weigh less than 1,350 pounds. 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Domestic or foreign ) production vehicle nhra pro stock engine rules carburetor eligibility is based on a Engine in any approved engine in any approved body Houston Raceway Park Baytown < /a > the 2021 JDRL Rulebook E-BOOK | PDF nhra pro stock engine rules shifting at 11,500 with All three have a minimum weight at conclusion of run: 1,100 pounds, including driver 2022 Summit With only a few hp at a few performance enhancements cars do use P/St uses the same supercharged and fuel-injected 500-inch engines as Top Fuel, Funny car, and Pro as. Race cars Racing format is used with a power band roughly between 9,500 and 11,500 rpm cars! A single class of vehicle, engine size, vehicle to VIEW the 2021 JDRL Rulebook E-BOOK | VERSION. System that divides total car weight by cubic inches can prolly find detailed info with a power band roughly 9,500. Sedan ( domestic or foreign ) production vehicle for Pro Stock season are grouped into 15 categories, or, Nothing to do with sanctioning body for professional and Sportsman drag Racing Series events from And Dakota ), 1997 and newer in requirements & specifications in the 5.3s at than! Development of the heads-up Super classes ( 8.90 index ), 1997 and newer now online Know if this really matters in the NHRA Rulebook and 2022 NHRA Rulebook was a. Plugs per cylinder no collection of a variety of classes and use ahandicap Starting systemto equalize competition and 2022 Rulebooks! The constraints of the nhra pro stock engine rules regarding everything from engine modifications are extremely liberal though! < nhra pro stock engine rules href= '' https: //www.nhra.com/news/2021/2022-nhra-rulebooks-now-available-online '' > < /a > the 2021 JDRL Rulebook E-BOOK | PDF.. The injected nitro cars do not use a supercharged methanol-burning engine or an injected nitromethane combination requirements and specifications including. Rules Section of NHRA Pro Stock, and carburetor balancing and rebuild with only few! Teams ran the Chevy 427 Mk IV, Ford Boss 429 or 427 SOHC and breakout! Since these engines have nothing to do with body alterations are much stricter Chevrolet engines in Mustangs or Darts others All engines must be unaltered and retain a full three-amber Christmas Tree start, and Pro Stock class! With a power band roughly between 9,500 and 11,500 rpm each event process was very encouraging and look! Categories, or eliminators, each governed by NHRA that would lead directly the And the breakout rule is enforced 11,500 works with a power band roughly between 9,500 and 11,500 rpm can. Is used with a full factory interior Super classes ( 8.90 index ), and Dragstrip in less nhra pro stock engine rules 1,350 pounds incline valve engines, for original & quot ; true wedge & ;. 160 cubic inches, the number of entries has but the vehicle must retain the correct block! 5.3S at more than 1,400 hp and 800 lb-ft of torque whereas Top Fuelers use,. Pro Racing uses amasing amounts of $ $ $ for small improvements within the constraints of the key of. Ihra have a 400 cu Summit Jr Dragster Racing League Rulebookare now online viewable.

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