The most popular powerplant is a 7,500 to 8,000 horsepower crateengine version of the chrysler 426 cubicinch, 90degree v8 hemi. A fuel pressure regulator is an item that plays a key role in any fuel system, but doesnt always get the level of care it deserves. The vent line will need to run above the tank then turn and run down below the bottom of the tank and out of the vehicle. Cool cans, in fullbodied cars, must be mounted a minimum of 6inches 15. If it is mounted outside of the car the cell must be completely enclosed in box of. Nhra trunk battery standards and an optima t a fussy track theyll check for both an nhra approved box and the battery box vent tube. Fuel in the line will cause a line trap not allowing air in or out as fuel level changes also during temp changes. If the stock drivers seat and belts and mounts are not modified in any way you are ok as well. Jr street rules section of nhra rulebook hot rod heritage racing.
Vancouver nhra wont allow anything other than pure stock to run quicker than 11. Cars in this section must be capable of being driven on the street. Nhra rules and battery relocation mustang forums at stangnet. Non metallic fuel cells or tanks must be grounded to frame. If thats not enough, and since you obviously still have not read it, here are the fuel cell rules taken straight from the rule book online. Nhra and ihra rules are major problems preventing a standard safe system.
In other words that is the total you can have for the entire system. The process is simple as long as a few basic mounting practices are followed. All fueltank filler necks located inside trunk must have filler neck vented. I used 22 gauge galvanized sheetmetal so i wouldnt have to paint it,but i used sheetmetal screws to attach it,so i. Vented caps are also prohibited as they allow gas fumes out, which can cause a fire. The rules say the trunk has to be completly sealed off from the driver,and although i did my best and there are no gaps,its not an air tight seal around the rollbars. Nonmetallic fuel cells or tanks must be grounded to frame. Can anyone help me out and does anyone out there have a. Nhra trunk battery standards and an optima the bangshift.
A positivelocking screwon fuel tank cap is mandatory on all openbodied cars. All fuel tank filler necks located inside trunk must have filler neck vented to outside of body. In the nhra rule book there is no distinction between the type of. Look at the pictures and youll see the bars they built around where the cell will be. The trunk must then be completely separated from the drivers compartment with a firewall of flameproof material.
This isnt a fuel cell application, stock tank supporting efi, i used to just have the factory deal, but discovered that the tiny hole in the factory fitting on top of the tank could cause a vacuum situation at low fuel levels and high. If the battery is not in the stock location, and relocated to the trunk, for example, you must have an. Battery installation installing a battery in your trunk. The proper and nhra legal way to install a fuel cell.
A relocated battery must be in a sealed metal or special plastic box. How to plumb the vent for a fuel cell chevy nova forum. Ive got no problem cutting the floor for the sump but i recall somthing about a dividing partitioner between the cell and the driver. One thing that performance or racing enthusiasts might not pay enough attention to is the location of where they mount their regulator. Fuel celltank must have pressure cap and be vented to outside of body. If sealed box is used in lieu of a rear firewall, box may not be used to secure battery and must be. Putting a fuel cell in the trunk of my mustang, need some. The rules and regulations set forth in this supplement apply specifically to such. 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 hose connection area in rear. Class is for full bodied vehicles with roof, working doors, and left hand steer only running between 6. As if theres a stock 2008 srt8 out there somewhere.
The tank must be vented to the outside of the body. Nhra rules on battery mounting nonturbo tech questions. Nhra rules gas coupessedans g 1965 nostalgia gassers. All batteries, fuel line, fuel pumps, or filler necks located inside trunk require complete bulkhead of at least. 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. Commercially available racing gasoline, pump gasoline. All fuel tanks must have a pressure cap and be vented outside of body. The street section is for dualpurpose cars capable of starting under their own power. The electrimotion shutoff safety device is mandatory in nitro funny car, pro stock, top fuel and pro mod. If the battery is not in the stock location, and relocated to the trunk, for example, you must have an external. Put a filter on the end of your vent line as dirt will find its way into your fuel if you dont. Street cars the following items are required for a vehicle and driver to pass tech.
While true, there are good reasons causing the lack of a standard system. 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. Im mounting my fuel cell under the trunk, completely external to the car. Fuel lines must be located outside driver compartment. Since that car is a hatch its all cabin so you will need to build something that runs floor to hatch and wall to wall if you still have the interior. If youre going to put a fuel cell in then youll need this firewall for it anyway. Fuel cell install questionspictures of members fuel cells. When permitted by class regulations, fuel tanks located outside body andor frame must be enclosed in a steel tube frame constructed of minimum 1 14inch o. Nhra rule ammendments made from the end of the 2019 season to the beginning of the 2020 season 2 table of contents nhra rule ammendments made from the end of the 2019 season to the beginning of the 2020 season note. Sump cover, fuel cell race chris alstons chassisworks. Pros and cons of a fuel cell for the street ford muscle. Back in the 80s when i was racing, there was hardly a weekend event where someones car didnt catch fire when they drifted and hit the guardrail. Read on as we show you tricks and tips to pass tech inspection when drag racing down at the track. The rules state the straps are to attach to a tube frame in the trunk 1.
As i understand it, if the fuel cell is the nonflanged type, it has to be supported by the. A fuel can have a max capacity of 16gals and must have a firewall of i believe. Ihra or nhra official rule books and our recommendations may exceed some. A thread on mustang forums complained there were no standard battery relocation systems. Jan 10, 2010 it finally got above freezing today and i used the time to make a new rear firewall bulkead for the dodge. Trunk mounted fuel cell vs stock tank the amc forum page 2. I want to get my battery out from under my hood to make way for a watermeth injection tank.
Dec 18, 2007 look at post 3 of this thread and go to the link at the bottom of the post for the rwd dsm build. Nhra rules state you have to have a bulkhead in cars with a fuel cell in the cabin. Anyway, im installing an rci 16 gallon fuel cell in the trunk of my stang. If you install a fuel cell, without modifying the cell to use the factory fuel pump assembly, you will need an inline fuel pump or pumps. If its to fast, a roll cage missing will get you the boot as well. I believe the moroso battery box is the only nhra approved plastic box available. I too run the optima with the billet brackets, same setup that gydyup is describing.
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. Every year, nhra shares its secrets and makes its complete rules available to the public for every class from top fuel to the e. All nonoem fuel lines including gauge andor data and if you still want a definite answer from the source call the nhra tech line 6262502485. Battery relocation junk in the trunk super chevy magazine. Sump cover, fuel cell race all specifications and prices listed throughout the website and linked documents are subject to change. The official hbody internet community view topic nhra. 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. Nhra has developed this nostalgia rules supplement program, which incorporates technical and competition guidelines, to accommodate those. All section and page numbers refer to those found in the latest version of the 2019 nhra rulebook amendments.
Safety regulations for nhra classes and brackets racingjunk. This makes it necessary to place the battery in the trunk or in a box attached to the inside of the frame rail. Wolfe racecraft makes a very very nice bulkhead thats nhra legal. Dons guide to passing tech inspection maritime drag racing. Top fuel dragster engines must follow strict guidelines set by the nhra governing body when competing in championship drag racing events in the united states and canada. Basic nhra safety rules all cars must meet nhra rules and pass technical inspection. It must have a master cutoff switch with the switch itself outside the car and clearly marked. When used, fuel cells must have a metal box protecting the part of the fuel cell that is outside of bodylines or trunk floor, excluding hose connection area in rear. I made the mistake of cutting first the measuring so i need to get this done. 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.
Installing the battery in the trunk is the preferred option because this provides better access and protects the battery from the elements. In a severe rear end collision, the factory fuel tank is designed to break away from the car and away from the passenger compartment. Some strips just say our rules are from the 2004 rule book. According to the nhra rule book, the rear firewall must cover the rear seat area including the rear deck, to seal off the interior of the car from the trunk. Apr 29, 2009 i want to get my battery out from under my hood to make way for a watermeth injection tank. As a fan, youll love it, because it brings you inside the highly technical world of nhra drag racing like nothing else can. From the 2011 nhra rule book, section 20 general regulations page 4. The following is a partial list of the changes or clarification made to the 2015 ihra rulebook. 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.
I do have the rear firewall in place as well, because at one time i had my fuel cell in the trunk too. Oct 17, 2011 when i opened the trunk of the car once i got the key to work that is, i noticed the battery had been moved there. All nhra safety rules and guidelines must be followed at all times for the sfwd class. Having it taken away because of a rule violation would be agony. Dec 18, 2007 nhra rules and revisions fuel cell may be relocated to front of car, maximum 2gallon fuel cell meeting sfi spec 28. Batteries may not be relocated into the driver or passenger compartments. If i mount the cell under the car i have no way of filling it. Dec 25, 2011 taken from the 1965, official nhra rule book pertaing to the gas coupesedan class aka gas class or gassers for short. If you are serious about going the the drags and will going to tracks with real tech, then you should bite the bullet, get the nhra rule book and be sure you have everything you. Have you checked the nhra website for the current rules and regulations. What or how does the nhra specify that a fuel cell is to be mounted in a hatchback car. Most people install the cell and fuel pump all in the trunk and others have. This is general information only and you should always refer to the current official nhra rule book. Get your official nhra national hot rod association rule book to stay compliant at the strip.
Nhra rules on batter mounting any battery must be mounted in a sealed nhra approved battery box if the car does not have a sealed firewall from the driver compartment to the trunk. Posted on december 5, 2014 by jefferson bryant in fabrication. Nhra fuel cells rules for a bodies only mopar forum. Are there any general fuel cell mounting regulations i have to look for when mounting my fuel cell in the trunk of my 12. All batteries, fuel lines, fuel pumps or filler necks located inside trunk must be isolated from the drivers compartment gas lines must be located outside drivers compartment. All cars must meet nhra rules and pass technical inspection. Dec 26, 2001 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 rule book new membership for christmasa b. Part of the 10% left to go is the nhra legal firewall between the passenger compartment and the fuel cell. When used, nonmetallic 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 general regulations section 20, page 4 g e n e r a l r e g u l a t i o n s. Fuel tanks not to be higher than top of rear tires. Nhra has developed this nostalgia rules supplement program, which incorporates technical and competition guidelines, to accommodate those categories in an accepted alternate sanctioning organization and not clearly defined by the nhra rulebook. 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. So the answer is no an optima does not skirt that issue of the rules. Nhra rules say that the fuel cell has to be anchored and not just anchored to the sheetmetal, but im going to be bracing the area w square tubing, how should i go about starting this.
Exhaust must be directed out of car body, away from driver and fuel tank. 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. For this reason, nhra safety regulations state that any fuel filler neck that is located inside the vehicles trunk must vent to the outside of the vehicle. How to pass tech inspection hot rod magazine hot rod. 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. 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. Nhra requirments for trunk mounted battery archive pro. 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 rule book new membership for christmasa b. Your vent hose will be hooked to one side of the bulkhead in your. Mounting the fuel cell in the trunk brings a whole lot of flammable liquid into the passenger compartment. However i am having trouble finding the rules that nhra set in regards to battery relocation.
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