At nhra mello yello drag racing series events, fans may see more than 200 classes of vehicles in 15 categories, or eliminators. The 2020 nhra rulebook is now online and viewable by all who wish to compete in the nhra arena. I could easily write an article five times this size when it comes to explaining how roll cages work in a variety of ets and car configurations. Fuel celltank must have pressure cap and be vented to outside of body. As a fan, youll love it, because it brings you inside the highly technical world of nhra drag racing like nothing else can. Carburetion, induction, nitrous mounting fuel cell as you can see in my racerspace im building a chevyll nova wagoncan i mount a aluminum fuel cell in back of wagon by tail gateinside carand be nhra legal.
I too run the optima with the billet brackets, same setup that gydyup is describing. Are there any general fuel cell mounting regulations i have to look for when mounting my fuel cell in the trunk of my 12. First is my plan was to run nylon 500 psi braided line through conduit i installed inside my boxed frame rail, after doing some reading it appears that only metallic line can be use except for a 12. I left this part to the end, because i have no clue how to make a firewall to fit in a hatch back ii with a 6 point roll cage. Hey guys, i want to take my newly aquired 67 ls6 camaro to the street legal drags at california speedway in a few weeks, but am not sure if i am set to pass tech. I am thinking about mounting my fuel cell in my car tomorrow and was just looking over the rules real quick and got to thinking. I have calked the rear firewall shut, welded it shut, and not put any sealer at all, and never had a comment made either way. If you are a corner cutter, they will tech you to death. Every year, nhra shares its secrets and makes its complete rules available to the public for every class from top fuel to the e.
If it is mounted outside of the car the cell must be completely enclosed in box of. Posted on december 5, 2014 by jefferson bryant in fabrication. Pros and cons of a fuel cell for the street ford muscle. Throughout this rulebook, a number of references are. I do have the rear firewall in place as well, because at one time i had my fuel cell in the trunk too. I am prepping a car for an nhra inspected event and need to have a couple of questions answered. All nhra safety rules and guidelines must be followed at all times for the all. Part of the 10% left to go is the nhra legal firewall between the passenger compartment and the fuel cell. I believe the moroso battery box is the only nhra approved plastic box available. The stock gas tank was in the way of the rear end, thus it was removed for a fuel cell. The nhra rule book keeps you up to date with all the info you need to stay safe and competitive. Class eligibility is based on requirements that include type of.
The proper and nhra legal way to install a fuel cell. A fuel can have a max capacity of 16gals and must have a firewall of i believe. For those that have a battery andor fuel cell in the rear on their car and have passed nhra tech or are confident their car will pass, what is the aceptable method to seperate the passenger compartment from the battery and fuel cell as i read my 1995. When used, fuel cells must have a metal box protecting the part of the fuel cell that is outside of the body lines or trunk floor, excluding hose connection area in rear. Nhra safety regulations state that any fuel filler neck that is located inside the vehicles trunk must vent to the outside of the vehicle. The techs say that the fuel line cant me mounted on the firewall and cross over to the motor. Vented caps are also prohibited as they allow gas fumes out, which. The official hbody internet community view topic nhra. Nhra fuel cells rules for a bodies only mopar forum.
How to pass tech inspection hot rod magazine hot rod. It works good cause i have more clearance from the trunk lid. All wetcell batteries must be located outside the driver or passanger compartments and must be securley mounted. Guess im just fighting the mani figure i can keep it 7 or 8 deep and not hang. Sure, it will pass tech at some tracks but if they want to. Im going to build one to fit under the bed, but dont understand why i need to build a steel box to protect it as per nhra. Whats the damn difference between that and having a stock tank under there. Mickey thompson tires nhra top fuel harley drag racing. I boxed the whole bottom and sides with sheet metal to protect the tank. According to the nhra rule book, the rear firewall must cover the rear seat area. Nonmetallic fuel cells or tanks must be grounded to frame. As i understand it, if the fuel cell is the nonflanged type, it has to be supported by the. Holley says the spec fuel injectors are bosch units rated at 160 pounds per hour at 43 psi line pressure, and 220 pounds at 90 psi.
It is an optima redtop that is mounted in a dse billet bracket. Vp racing fuels is the official fuel of the nmra series. Its the nhra legal rubber line by aero quip that goes into a pressure regulator and a yblock then the same nhra legal rubber line into the two float bowls. Taken from the 1965, official nhra rule book pertaing to the gas coupesedan class aka gas class or gassers for short. Nhraaccepted racing gasoline, gasoline, alcohol, gasohol, or ethanol permitted.
Read on as we show you tricks and tips to pass tech inspection when drag racing down at the track. Ive got no problem cutting the floor for the sump but i recall somthing about a dividing partitioner between the cell and the driver. From the 2011 nhra rule book, section 20 general regulations page 4. If mounted outside, the cage needs to be framed by 1 14 bars or cage. Non metallic fuel cells or tanks must be grounded to frame. Cool cans, in fullbodied cars, must be mounted a minimum of 6inches 15. I thought it would be a good idea to redo the install and have it conform to nhra rules.
Street cars the following items are required for a vehicle and driver to pass tech. Fuel cells must be located within body, if located outside of frame it must be enclosed in a steel tube frame constructed of minimum 1 14inch o. A relocated battery must be in a sealed metal or special plastic box. I have been doing some research on nhra rules as i start to build my car for the upcoming season and had some quesitons regarding fuel cell placement below is the following rule i am wondering about. Battery relocation junk in the trunk super chevy magazine. When used, fuel cells must have a metal box protecting the part of the cell which is outside of body lines or trunk floor, excluding. This may be done by emailing the drivers name, cell phone number, permanent.
What or how does the nhra specify that a fuel cell is to be mounted in a hatchback car. When used, fuel cells must have a metal box protecting the part of the fuel cell that is outside of body lines or trunk floor, excluding hose connection area in rear. Page 1 of 3 fuel cell mounted under bed posted in fuel. The seat belt retention, neutral safety switch and grounding of fuel cell seem to. Jr street rules section of nhra rulebook hot rod heritage racing. My car is back halved so my fuel cell actually sits flush with the bottom of the frame rails. Fuel lines must be isolated from driver compartment with a subfloor or with steelbraided lines where the engine is located in the rear and the fuel tank is in front of the driver. I have not been drag racing in a few years, and am not too up to date on the rules.
Nhraaccepted racing gasoline, gasoline, alcohol, gasohol, ethanol, permitted. The cell came with warnings that the tabs on the cell are for locating purposes only. Bcssma british columbia secondary school motorsport. This is general information only and you should always refer to the current official nhra rule book. It does not have a sump just has two fittings on top one with a standpipe going to. Safety regulations for nhra classes and brackets april 8, 2015 mike aguilar drag race 101, drag racing, howto and tech tips, nhra 1. All fuel cells must be mounted properly and vented out the back or the bottom of the. In other words that is the total you can have for the entire system. If there is a disagreement or dispute regarding the meaning or application. If youre a serious fan or a potential racer, this book is for you.
I am going to explain the key rules and requirements on building a 10 point, or 8. Nhra has imposed a 90 psi limit on the fuel system and will require a spec dry break coupler from earls performance that the tech officials can access easily to help verify compliance with the rule. Nhra mandates that fuel cells outside the body of the vehicle must be enclosed in a steel tube frame and all fuel tanks must be isolated from the drivers compartment by a firewall. If you need an nhra competition license to drive your car at an nhra drag strip, it is too quick for auto club dragway during a street legal event. For aluminum fuel cells how are they to be restrained. The point is each sanctioning body has different safety rules, and youll want to consult your rule book to make sure you conform to these regulations. Because they like to be in charge,and than when they look at it,and they might find,something wrong,just say can you show me in the rule book, and have it with you. When you get to an nhra member track for an nhra drags street legal style presented by aaa event, youll pay your entry fee and get a tech card. It must have a master cutoff switch with the switch itself outside the car and clearly marked. No part of the fuel system may be mounted on firewall. 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. Classbyclass regulations and requirements, racing procedures, and.
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