Basic nhra safety rules all cars must meet nhra rules and pass technical inspection this is general information only and you should always refer to the current official nhra rule book. There are a number of new rules for nhra pro stock class coming in 2016. Pro stock cars have come a long way since their debut at the 1970. March 1417 amalie motor oil nhra gatornationals, gainesville, fla. The cars have come a long way since their debut at the 1970 winternationals. Dec 05, 2017 the pro stock class in nhra has been subject to many changes and resulting drama over the past couple of years. Even in the 21st century, the nhra rules and policy makers will still find a way to thwart the hemis dominance and performance potential, especially in the factory stock showdown class. Looks a lot like a dragbike auto trans, but it doesnt look like high gear locks in.
These issues were the use of automated shifting devices with a manual transmission and the use of an automatic transmission. Jr street rules section of nhra rulebook hot rod heritage racing. Good tires, a solid battery hold down, radiator overflow reservoir, functioning neutralsafety switch, seat belts, and a valid state drivers license or nhra competition license for all participants. The four combo classes will be super stock combostick, super stock comboautomatic, stock combostick and stock comboautomatic. Nhra is taking the rivalry to another level in 2018 with its pro stock category by allowing any approved engine to be installed in any nhralegal body. Weve all heard the rumblings and the joke that it isnt pro stock but rather pro camaro due to the overwhelming number of those cars in competition. May 21, 2015 gray motorsports gives a quick run down on the liberty 5speed found in their prostock cars, via team valvoline. The history of the pro stock class is being celebrated by nhra in 2020 with a 50 years of pro stock salute. The following items are required for a vehicle and driver to pass tech. Yes, there are actually nhra regulations that cover the interior of your car. These requirements, as well as those for flywheel shields and bellhousings are covered in.
Only eight injectors will be allowed and they must be mounted externally on the intake manifold runners. Street cars the following items are required for a vehicle and driver to pass tech. Nhrda pro stock class abbreviation psk headsup class 410th pro tree. When i got tired of the weekly nhra rule changes, i sold the red and got back into classic chevrolets. See nhra et handicap racing, super pro, pro, sportsman, suspension, altereds, dragsters also see nhra 3. Track rules and guidelines for firebird raceway, a nhra drag racing facility with a full season of racing located in eagle, idaho. May 19, 2017 one thought on the american powertrain parting shift.
Inside the transmission of an nhra prostock may 21, 2015. Understanding class racing stock eliminator dragzine. Manual transmission rules for nhra stock eliminator, 2009. Below lie the complete set of rules for pro stock eliminator in the year 1974. To continue working on the website, click stay signed in below.
I think that specific class of the sport is a bit overlooked here. Inside the transmission of an nhra prostock youtube. Mini tubs allowed, so long as stock frame rails are in stock location. The current nhra pro stock motorcycle elapsed time record is 6. Incredibly, the 1970 nhra rulebook dedicated barley one page to the specifications for the new pro stock class. The history of nhra pro stock by nhra publications.
One of the key parts of these rules is the factoring numbers that are near the top of the rules. Classbyclass regulations and requirements, racing procedures, and more are all covered in this. He was named as one of nhra s top 50 best drivers, and is a member of the international motorsports hall of fame. Nhra sets new stock, super stock rules speed sport. Rules initially favored big block v8s with chrysler hemi engine powered cars winning the world title the first two years. One significant change to increase the level of competition in class eliminations is the creation of combo classes in super stock and stock for those classes that are represented by a single car. Transmission must remain in conventional location, determined by.
Get your official nhra national hot rod association rule book to stay compliant at the strip. You will be signed out in seconds due to inactivity. He was named as one of nhras top 50 best drivers, and is a member of the international motorsports hall of fame. The class is often described as all motor, due to the cars not using any form of forced induction such as turbocharging or supercharging, or other enhancements, like nitrous oxide, along with regulations governing the modifications allowed to the engines and the types of bodies used. Winner of six pro stock world championships, the professor was also the first to exceed 180 mph, 190 mph, and 200 mph in an nhra legal pro stocker. Superseded andor replacement parts superseded parts are restricted to cylinder heads, intake manifold, crankshaft, cylinder block, and transmission only when manufacturer lists such parts in its published parts book, notifies nhra. Nhra changes pro stock engine rules racepages digital. Transmission, driveline, and rearend regulations clutches and flywheels on cars running 11. Rules classes nhrda 2015 class rules national hot rod diesel association page 2 of 7. Racing is generally held along the east coast and midwest united states, for pro. Seats must also be supported and constructed of fiberglass, carbon fiber, doublelayer poly, or aluminum. Weve all heard the rumblings and the joke that it isnt pro stock but rather pro camaro due to the overwhelming number of those cars in. Having it taken away because of a rule violation would be agony.
Coyote stock class overview coyote stock is a naturally aspirated headsup class designed for 1954 and newer ford bodied vehicles and is one of the most costeffective classes in drag racing. Reserved for 1955 or newer modelyear factory production automobiles and some sports cars. Classified per nhra performance rating as listed in the official nhra stock car classification guide. April 2628 ngk spark plugs nhra fourwide nationals, charlotte, n. This set of class rules is presented to all competitors under the assumption that any.
The practice of transbrake testing, converter stalls, lineloc testing, andor transmission warming is prohibited in. Nhra has recogized this, and the rules allow for replacement and superseded parts excerpt from the rule book. Click here for the stock eliminator class rules on the nhra website. With input from the pro mod advisory council with concerns regarding driver aides in the pro mod category, it is the decision of the nhra tech department to prohibit the use of automated shifting devices and automatic. Pro stock eliminator reserved for american built cars with american automobile engines with a wheelbase of 97. To download pdf versions of minor past revisions, please visit our tech advisories page under the tech and safety tab. From the builder i assume the owner buys a car with all the suspension, wiring, a complete car less the engine and transmission at what round a bout price. This is general information only and you should always refer to the current official nhra rule book. No live webcast of video or other live transmissionlive. All competitors must have nhrda competition number and class abbreviation in clear visible area on the front window, tower side window and back window of competition vehicle.
Winner of six pro stock world championships, the professor was also the first to exceed 180 mph, 190 mph, and 200 mph in an nhralegal pro stocker. Transmission reverse lockout yy y y y y transmission shield sfi 4. Nhra pro stocks utilize a liberty or gforce fivespeed clutchless manual transmission. In no way are these rules intended to supersede or replace the current nhra andor track rules. Inside the transmission of an nhra prostock team valvoline. Most of the early heroes of nhra pro stock racing including bill grumpy jenkins, ronnie sox, butch leal, dick landy, dyno don nicholson, and bob glidden all got their start racing in super stock. Here, we touch the surface of what those rules entail.
Cross members may only be altered or relocated for engine or transmission. So, i built a pro bracket 56 chevrolet model 150 utility sedan, followed by a fed for pro bracket, and then a red for super prosuper comp. Automatic transmission flex plate meeting sfi spec 29. All cars must meet nhra rules and pass technical inspection.
The late dave schultz is the alltime leader in pro stock motorcycle victories with 45. Pst, bt and ct, one class each for stick and automatics. Taking advantage of gms unique crc factory roller program, patterson racing built a 2014 copo camaro clone from the ground up and applied many of the tricks learned in comp and pro stock to the 396ci naturally aspirated ls3based engine. Well start with probably the simplest of the threenhra stock eliminator. Af through hf class cars are limited to 1978 or newer. Class description nostalgia super stock is an index style foot brake only. Pro stock is a class of drag racing featuring factory hot rods. The nhra attempted to balance the playing field for 1972 and introduced rules allowing for small. Victory nostalgia super stock 2016 rules see below for original 2014 rules and addendums the below are the rules in print. Aug 14, 2015 under the new rules that go into effect for the 2016 season, pro stock engine builders will have to use the following holley parts to develop the fuel and spark system for their engines. Nationals steve johnson clearly beats matt smith for the win in pro stock motorcycle but the nhra overturns the timing and scoring decision 2 days later. Oem or nhra accepted aftermarket transmissions having same number of forward speeds od gear not required and reverse, may be used. If you ever lift, does the trans just kick you into neutral. Usually, the nhra races pro mod cars on the 14 mile, resulting in high 5 to low 6 second passes, while the pdra races strictly on 18 mile track setups, allowing for high 3 secondto low 4 second passes.
All weights are with driver and rounded down to the. One thought on the american powertrain parting shift. Heres a look at the very first pro stock rules, as printed in the 1970 nhra rulebook. It has been a feature of nhra drag racing since the 1980s when it was added to the professional class structure and has since spread. Safety regulations for nhra classes and brackets racingjunk. Heres the language ver batim, from the 2009 nhra rulebook. Before the dallas race last october, the nhra had threatened to limit the fields from 16 to eight and to erase the class from a handful of events. Rear axles shall be stock width production units only. Hot rod engine tech inside warren johnsons pro stock. To those who follow nhra pro stock, warren johnson needs no introduction. Take a look inside a neat liberty 5speed nhra pro stock transmission mr. Currently, the sports quickest super stock car is scott goves ssa modified dodge daytona with a.
Power rankings are a rating used to rank race teams against each other and are updated on a. Extended cab, mid size ranger, s10 and dakota, 1997 and newer trucks are permitted. For instance, if the particular vehicleengine combination you are looking at has a factor of 8. I would guess a prostock would be higher priced than a fuel car or dragester wo drivetrain. Only those cars listed in the guide are eligible for competition. The 2020 nhra rulebook is now online and viewable by all who wish to compete in the nhra arena. Transmission case and lines must be fully enclosed in a tunnel constructed. Nostalgia eliminator presented by capitol city transmission. It was this factoring by nhra that would lead directly to the development of the vehicle known as the taxi. The rules dictated that all pro stock cars be 68 or later north americanbuilt. Matt smith for the win in pro stock motorcycle but the nhra overturns the timing. National hot rod association masthead remove all of page iii page iii 1092019 introduction. The pro stock class in nhra has been subject to many changes and resulting drama over the past couple of years.
All other stock rules as found in the latest version of the nhra rulebook and nhra rulebook amendments apply. Classified per ihra performance rating as listed in the official ihra stock car classification guide. Basic nhra safety rules v072015 this is general information only and you should always refer to the current official nhra rule book. We recommend you purchase a current year nhra rule book. Nhra mello yello drag racing series 5th paragraph page ix 1092019 pro stock motorcycle is the twowheel category in the nhra mello yello drag racing series. Dec 05, 2017 nhra is taking the rivalry to another level in 2018 with its pro stock category by allowing any approved engine to be installed in any nhralegal body. Why nhra factory stock is the hottest class in drag racing. Pst uses the same formula as the now defunct pro stock truck class that was run in nhra from 1997 to 2001. Pro modifieds can either be raced on 14 mile or 18 mile tracks.
As i understand it a pro stock car is the most technological advanced vehicle out there. Per the nhra rule book, on unibody cars with stock floor and firewall wheel tubs permitted, the roll cage may be bolted or welded to the floorrocker box. Eliminator category designation weight break 14 mile man 14 mile auto. Nhra publicationss books and publications spotlight. Gray motorsports gives a quick run down on the liberty 5speed found in their prostock cars, via team valvoline. Nov 23, 2017 nhra rules, rarities, records, and reruns dave w.
Pro stock was born and the performance escalated quickly. So could the nhra pro stock team owners and drivers. All gear changes must result from direct action by the driver. Coyote stock is designed around competitors using a production oem sealed ford coyote crate engine combined with a. No collection of a true student of the sport will be complete without the history of nhra pro stock. Class racing refers to the eliminators of competition, stock, and super stock. The rules clarification answered many questions lingering since the sanctioning body announced last month that pro stock will convert to efi as part of the divisions most sweeping changes since 1982 when the 500ci rule was introduced. Following a 1973 nhra rule change to allow records to be set at any national meet. Apr 08, 2015 weve talked before about the different brackets and classes in nhra racing, but here were going to break down the rules and regulations of each of the classes in terms of safety, focusing on the ones that dont require huge financial backing and professional status since one of my colleagues has already done a fine job of listing most. All three have a multitude of individual subclasses, classes, and rules. Any nonoem ie aftermarket automatic floormounted transmission shifter must be. This class will be an all run headsup field, nhra pro ladder on a. Ecpra east coast pro racing association provides vw enthusiasts across the united states with a safe and competitive environment to build and race against likeminded people. The nhra stock car classification guide is posted online, and it allows.
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