We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. That strategy comes ahead of more comprehensive modifications expected for the 2021 season, when the next-generation stock car is scheduled to debut in NASCAR’s top division. NASCAR Cup: 2020 rules changes announced CHARLOTTE, NORTH CAROLINA – SEPTEMBER 29: Clint Bowyer, driver of the #14 Rush/Cummins Ford, leads a pack of cars during the Monster Energy NASCAR Cup Series Bank of America ROVAL 400 at Charlotte Motor Speedway on September 29, 2019 in Charlotte, North Carolina. The engine, for example, must be a carbureted V-8 with an iron block. We also share information about your use of our site with our social media, advertising and analytics partners who may combine it with other information that you’ve provided to them or that they’ve collected from your use of their services. a minimum of eight events with a full long-block sealed engine and at least eight events with a short-block sealed engine. The current limitations are designed to encourage the engine parity of vehicles, which generate an average of about 850 horsepower. And while the NASCAR bureaucrats blather on about "reducing the cost of racing", this rule change has required yet another vast expenditure of R&D money to develop a new engine package (combustion chamber, ports, manifold runners, plenum configuration, cam profiles, valve springs, etc. Additionally, the bulletin effectively discontinues Ford, Chevrolet and Dodge built engines by the start of the 2020 season. NASCAR betting: Odds for 2021 Phoenix spring race, Paint Scheme Preview: 2021 Phoenix spring weekend, Fastest to first win at Hendrick Motorsports, @nascarcasm recaps Las Vegas in charts and graphs. • Officials have introduced new at-track roster limits for the 2020 season, reducing the maximum number of “road crew” personnel (engineers, mechanics, crew/car chief, spotters) from 12 to 10 during race weekends. NASCAR has never mandated how many hours of wind-tunnel testing teams can do but that will change next year. NASCAR® and its marks are trademarks of the National Association for Stock Car Auto Racing, LLC. Maximum left side weight 56% NASCAR Modified Tour SPEC engine = 2660 lbs. It’s components come from many of the best aftermarket companies including: NASCAR officials then roll the winning car away and conduct a teardown, or dismantling, of the vehicle. As of 2014, NASCAR mandated specifications include a carbureted V8 engine with a maximum 5.9-liter capacity (358 cubic inches). By Staff Writer Last Updated Mar 25, 2020 11:13:38 PM ET. SMS Officials decisions regarding rules are … Officials indicated the rules tweaks should not impact on-track competition, opting to minimize wholesale changes for next season. A single four-barrel Holley carburetor delivers the engine's fuel. Testing is only permitted at four approved wind-tunnel facilities: Aerodyn Wind Tunnel in Mooresville, North Carolina; Auto Research Center (ARC) in Indianapolis; Penske Technology Group Wind Tunnel in Mooresville, North Carolina; and Windshear Wind Tunnel in Concord, North Carolina. Penalties listed as "NASCAR Discretion" can result in a simple restart at the tail of the field, a multiple lap penalty, or disqualification. Some famous series include Monster Energy NASCAR Cup Series, NASCAR Xfinity Series and the Gander Outdoors Truck Series. Manufacturers, however, are not permitted to conduct wind-tunnel tests on current-generation cars. NASCAR also requires teams to use blocks, cylinders and intake manifolds made from castings of approved manufacturers. The manual transmission has four forward speeds. All rights reserved. There is no restriction on the amount of wind-tunnel testing and development for the Next Gen car model slated for 2021. For 2021, Darlington and Nashville will run the lower horese power package. number will be allowed a maximum of 12 certified chassis designated as “active” at any 2019 NASCAR Cup Series rules package The information below was posted for 2019. There was previously no limit. Car and Driver magazine had this to say about the engine on the brand-new standard NASCAR vehicle, the Car of Tomorrow: "The 358-cubic-inch (5.9-liter) V-8 is up front and has pushrods actuating two valves per cylinder. Spoiler: 8” x 61” Splitter: 2” overhang, 10.5” wings at ends of splitter (near tires) In 2020, the drivers will have 90% of the engine’s torque more directly in the driver’s control. All other trademarks are the property of their respective owners.Copyright © 2021 NASCAR Digital Media, LLC. However, the day is far from over for the exhausted winning team. • Teams must compete in a minimum of eight events with a full long-block sealed engine and at least eight events with a short-block sealed engine. Fully assembled the 364 cubic inch engine weighs around 415 pounds and produces approximately 610hp and 500 ft-lbs of torque. Each vehicle number will also be allowed to retain four chassis designated as “inactive,” set aside for future use. Also, each organization will be permitted a maximum of 10 unique chassis designs. Bored fans mean empty grandstand seats, which means less revenue. The bodies have similar shapes and aerodynamic properties because they must conform to certain templates, or patterns mandated by NASCAR to ensure a consistent car size and shape. The new aero package consists of the following changes: “Collectively, we continue to work closely as an industry to put on the best racing possible for our fans, while working diligently on the Next Gen car, scheduled to make its debut in 2021.”. TRD makes all the Toyota engines. First: races with a large number of cautions often have a lo… Blue bars denote increases and red bars denote decreases. That is, teams are constantly looking for innovations that will make their cars faster and better than the rest of the field. Teams will be required to submit paperwork to NASCAR before such tests that will state how many hours they will be in the wind tunnel. “The 2019 season has produced great racing and we anticipate the level of competition to continue to rise as teams build off this rules package in 2020,” said John Probst, NASCAR senior vice president, innovation and racing development. etc. 57% maximum left side weight. You consent to our cookies if you continue to use our website. Of course, tracks also have final discretion over engine rules. Chassis designated for the preseason Clash exhibition race at Daytona International Speedway will not count against a car number’s active allotment, unless that chassis is also used in the Daytona 500. Competition officials announced rules changes Tuesday for the 2020 NASCAR Cup Series season, limiting the adjustments to a handful of procedural regulations intended to contain costs for teams. Among the new regulations released to teams for 2020: • Each car number will be allowed a maximum of 12 certified chassis designated as “active” at any given time. NASCAR places strict limits, for instance, on how engine cylinders are bored -- that is, how they're made larger by removing material. New for the 2020 season, which begins February 16 with the Daytona 500, NASCAR announced a rules package that reduces downforce for the … There are no overhead camshafts, multivalve cylinder heads, fuel injection, paddle shifters, or sophisticated electronics. A. SK and Sportsman modified minimum weight 2575 lbs. This can include a complete disassembly of the engine, suspension system or anything else that the officials choose to inspect. Chassis can be decertified or retired only after use in a minimum of three races or if damage from a crash is deemed irreparable. The engine, for example, must be a carbureted V-8 with an iron block. The car I drove was about 30 horses down, but 850 ponies in a 3500-pound car is still enough to rivet my attention". Information about the device's operating system, Information about other identifiers assigned to the device, The IP address from which the device accesses a client's website or mobile application, Information about the user's activity on that device, including web pages and mobile apps visited or used, Information about the geographic location of the device when it accesses a website or mobile application. The foundation of the NASCAR-Approved Spec Engine is a production GM LS2 block (6.0L / 4.000) with LS2 CNC ported heads. Daniel McFadin 10/1/2020. Each car number is allowed a maximum chassis quantity of 12 units. Still, you can't argue with a 5.9-liter engine that spins to 9500 rpm and makes close to 900 horsepower. Please copy/paste the following text to properly cite this HowStuffWorks.com article: Copyright © 2021 HowStuffWorks, a division of InfoSpace Holdings, LLC, a System1 Company. With the lead time required for approval nothing is likely to be know on new manufacturers until at least mid 2020. ­Teams can and do take certain liberties with engine design, but a few NASCAR rules are quite rigid. ­Now that we've got some of those pesky rules out of the way, we can look at some of the technologies that make NASCAR engines such powerful beasts. Each team will be required to run eight races each with short-block and long-block sealed engines, compared to … The Toyota engineers present weren't revealing exact figures, but … the latest-spec engines make more than 875 horsepower. Additionally, the new structure will limit the amount of “organizational staff” for each organization to three. Ranging from the duration of the race, the type of racetrack, to each driver's particular protective gear, there are many different specifications and rules that go into a NASCAR race. Understandably, NASCAR goes to some pretty extreme lengths to ensure a level playing field. The only legal engines at that point will be Chevrolet Built Upgrade, GM 604 type crates, Ford SR347 and the Harrington Enforcer. Previous rules dictated three full long-block seals and 13 short-block sealed engines. NASCAR also requires teams to use blocks, cylinders and intake manifolds made from … NASCAR places strict limits, for instance, on how engine cylinders are bored -- that is, how they're made larger by removing material. NASCAR delivered its 2020 Cup Series rulebook to teams on Tuesday, and the end result will be a very similar on-track product to 2019. The average car on the road today keeps its engine running at around 200 degrees Fahrenheit, but a NASCAR racing engine runs around 280. Teams must compete in a minimum of 16 points events with a short block sealed engine (up from 13). This is one reason why stock cars are so uniform in dimension. The results reflect the mixed results, but they also raise two important issues in understanding the success (or not) of the 2019 rules package. Previously, three- or four-car teams were allowed to carry a fourth rostered member at the organizational level (i.e., technical director, competition manager). There was previously no limit. 365ci – 372ci = 2660 lbs. ... NASCAR Engine-Chevy R07 . • The extended parts freeze for the NASCAR Cup Series will remain in place through 2020, as development continues to shift toward the Next Gen stock car. • Organizations will be limited to a total of 150 hours of wind-tunnel testing per year. On January 14, 2020, NASCAR announced a reduced downforce package for short tracks and road courses. NASCAR … Cup Series officials and teams recently began the post-race procedure of sealing engines — either fully (long block) or just the bottom portion (short block) — as a measure to prevent costly and time-consuming rebuilds. Each car number will be permitted to have a maximum of 12 certified chassis at any given time. B. A value of 200% means that the lead changes per 100 miles in 2019 were double those for the same race in 2018. The package remains unchanged in 2020. Here’s how those race engines are built: Each engine is built by hand using a process known as “blueprinting.” That means that all engine components are built to be within the rigid specifications set in the NASCAR rule book, and every component is manufactured using CNC machining, state-of-the-art castings, whatever it takes! The current extended parts freeze will remain in place through 2020. Chevy engines made by HMS or RCR. The engine rules and schedules are still be determined ... providing the first glimpse at what those two divisions will look like when they race together during the 2020 season. NASCAR maintains an equally explicit list of interior features that cars must have for both safety and to promote a reasonably level playing field. The following is a list of NASCAR penalties. 14 Dec 2020. Stall prevention and “bite point” functions will still be available with the focus on the mechanical interaction of the clutch in the driver’s hands (not feet, since F1 cars use clutch paddles on … PLYMOUTH, MI (February 7, 2020) — When Jordan Anderson began driving in the NASCAR Gander RV & Outdoors Truck Series in 2014, the teams he … How does a NASCAR driver communicate with the pit crew? How the supercharger lubrication system helps nitro teams save parts. Teams must compete with long block and short block sealed engines in a minimum of eight races each. In NASCAR, technology is similar to an arms race. That is NASCAR’s plan However, a new manufacturer would not be expected to join the series until the new engine debuts. Racing Technology. Tour Type Modified 355ci – 364ci = 2610 lbs. It's like racing-car development stopped in the 1960s. The rules package for the 2021 NASCAR Cup Series has been released, which will feature both the high-downforce and low-downforce packages once again. However, behind … NASCAR is also introducing new engine rules for 2020 which are designed to try and make races more competitive, even for some of the smaller teams. However, if any one team finds too big of an advantage and starts winning too easily, that makes racing predictable and boring to the fans. Performance: 550 to 750 hp (depending on configuration) All 2020 NASCAR Whelen Modified Tour (NWMT) rules and the 2020 NASCAR Weekly Racing Series (NWRS) rules, where applicable, will be enforced for the SMS SK Modifieds®, with the following changes and/or additions (EIRI). WEIGHT RULE All total and left side weights are with driver strapped in seat before starting heat and feature. The practice originated in other NASCAR national series. A hot topic in the NASCAR community currently is the race series’ new Gen 7 rules package, which is expected to be introduced for the 2021 Cup Series season. At the end of a race, you might see the driver spraying champagne on teammates and perhaps giving a quick on-camera interview. These rules are clearly spelled out in NASCAR guidelines, yet there are often disputes between teams and officials about their interpretation of these rules. ­Teams can and do take certain liberties with engine design, but a few NASCAR rules are quite rigid. Possible new manufacturers would include: Honda, Hyundai, BMW, Mercedes-Benz and Volkswagen. This graph (from one of my two year-ending posts on tracks and drivers) shows the percent change in lead changes per 100 miles (LC100). Teams will be allowed no more than 150 hours of wind-tunnel testing in the calendar year for 2020. Aero Elements. The mandatory Car of Tomorrow design, mentioned earlier, standardizes engines even further. Roush-Yates makes all the Ford engines. Teams can become quite inventive in finding ways to bypass the limitations imposed by a rule, only to have NASCAR become more specific and stringent with its language to eliminate the advantage [source: Martin]. They're looking for any irregularity, such as forbidden parts or measurements, which might unfairly enhance performance.