Pins must be within 8 inches of the vertical portion of both the forward and main hoops. Phone: (561) 441-6503 You stated that you would like to drive it on the street, play on the dragstrip, and toy with autocross. Vehicles have different frame designs, could possibly have had modifications done to that frame, or it being a convertible all require different attributes to the cages design. Since our stock exhaust is in the way for now, we did not install the brace. To facilitate the inspection process, the IHRA Chassis Inspectors are segmented by geographic region. Competition Number/License Applications & Forms. Between the hours of 8AM and 8PM ET Monday through Thursday and from 8AM to 3PM on Fridays, up to four technical support representatives will be available to answer racers technical questions. You spent $70 for certs specs, read them and use them my man! Though it might be safer driving it now, it sure hasnt aided in the acceleration factor with the added weight. The rear down bars or rear support bars must attach to the floor of the trunk somewhere. We wanted the rear bars to weld right behind the rear seat to allow for more trunk space since most of the rear trunk is actually occupied by the fuel cell. When you installed the Hotchkis upper control arms, did you remove the calipers, or did you just support them out of the way? You can reach Tom at 248.275.5828. From a safety standpoint, we would always recommend a roll cage instead of a roll bar because its safer in a roll over condition, even if your ET doesnt call for it yet, explained Wright. For a really nice piston check out Wiseco Pro-Tru forged pistons, PN PT042H, offered in 0.030-, 0.040-, or 0.060-inch overbore. Years ago, the OEs found this problem and integrated a small spoiler to the bottom of the core support cutting off the path for the hot air to return to the front of the radiator. Hope this keeps the Lawmen happy. Great Meadows, NJ, Berlin Walmart These feature pressure-fed wristpins, CNC-machined symmetrical domes, and oversized symmetrical radius valve pockets. License . Click here for the latest browser requirements and links to FREE downloads. After that, it is completely welded to the pipe. Following the announcement that he will compete for the NHRA Lucas Oil Drag Racing Series world championship with a full season in Top Alcohol Dragster, Tony Stewart took part recently in a media . Call for more information. What is chassis certification? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. They come in at 11.1:1 compression with a 64cc combustion chamber. Phone: (907) 349-4333 Phone: (780) 469-1202 The swing out door bar is tacked in place to the main hoop so it passes in between the shoulder and elbow. Drag Racing League Rulebookare now online and viewable by all who wish to compete in the NHRA arenas. With this camshaft in your 383 we'd recommend a stall speed of around 2,400 rpm. The Chassisworks kit features a clevis-type connector that is over the minimum thickness required by the NHRA. 618-924-0184 Basically, what you're paying for when you buy a 4130 car is weight reduction. Inspector Rocker bar must be installed below and outside of drivers legs and must tie into the main hoop, the forward hoop, frame, frame extension, or side diagonal. Indianapolis area. 10. If you can help me with this one-off special I'd be very grateful. Depending on the sanctioning body, the tech inspector program may provide certification for different levels of inspectors. Source: compcams.com. Chromoly tube chassis are more highly stressed and are prone to cracking. Phone: (304) 922-2266, Gary Hood (Severn, MD) Byron Dragway This finally took care of the slow-speed build of temps. Summit Racing Equipment - Talmadge, OH All sportsman certification tags are valid for 3-years from the date of inspection; pro certification tags are valid for 1-year from the date of inspection. The advantage of bending your own cage is being able to get the bends as tight to the car as possible, but dont dismiss pre-bent cages; they have come a long way. Door cars slower than 8.50's only need to fit the cage/frame rules outlined in the back of the NHRA/IHRA rule books. Jack Richards If you don't see good coolant flow at idle speeds you may need to take another look at your Weiand water pump. As with any project, its a good idea to figure out what youre going to do with it in the long haul. Denver, CO, I29 Dragway On the milder side I'm leaning toward the 280HR that specs out at 224/224 duration at 0.050-inch lift, 0.525/0.525-inch max lift, also 110 separation angle. Door Sidebars, Swing Outs, and Rocker Bars. Eau Claire, WI, 2016 NHRA DIVISION 6 Phone: (319) 269-2580 Restricting the water bypass will help. [emailprotected] 309-523-3870 Also, everything should be fitted with tack welds before finishing the final welding. Please contact the host location for each event to reserve your spot. Air compresses and gives you a very spongy pedal, and if there is enough air, the brakes will not work. Michigan All Cracked Up! Fontana, CA, Samoa Dragstrip Usually a specifically designed tube notcher or drill press that allows for variable angles are used with a hole saw on the end. Not trying to be an ass but I don't know what you're asking these questions if you have the 25.5/4 cert specs. Since there are variances in the minimum wall thickness on the tubes, some grinding on the inside of the tubes might be required to fit the clevis in snugly. Fax: (907) 344-9916 Regional/Division Events: Heritage Series: Member Track Directory: Division Offices: . 3. Your emergency brake light is on because the distribution valve down on the framerail has shifted, which turns on the light. Rocker bar may not tie into swing-out side bar support. They went through a spot in the rear package tray and weld in right behind the rear seat. ChuckScrimpsher In 1995 Mark started photographing drag races at his once local track, Bradenton Motorsports Park. For handling you'd want to increase the spring rate of the spring to prevent body roll and load the outside tire for grip. 0 The SFI specs mentioned only outline what's required for the cage/chassis. Phone:(859) 432-5549 Must have current NHRA serialized sticker affixed to the cage before participation. Grand Junction, CO, Redding Dragstrip Chassis Certification at Napierville Dragway on Saturday May 15, 2010. Reminder: Pre-Register for Top Alcohol Regional Events. All three of these disciplines take different types of springs and finding a happy medium can be a challenge. The windshield bar is one of the most important bars in a roll cage during a roll over situation, explained Wright. The division 3 office should be able to tell you who is closest to you. When we make a production roll cage kit, we actually get the vehicles in here at the shop and test fit the parts accordingly, and not just rely on given measurements. A pre-bent cage reduces the cost of installation and the need for a tubing bender. In addition to the roll cage, we also opted for a pair of swing out door bars to make getting in and out of the car easier, as well as subframe connectors with X-brace from sister company Total Control Products. Stanton, MI, Muncie Dragway The door bars are there to protect the driver in a side impact crash and must be welded to the main hoop. All McKinney needed to do was shorten them to fit accordingly. Otherwise, the D bars must be attached to frame, subframe, or subframe connectors.. NHRA Chassis Inspectors - You can contact these folks to find out when chassis certifications are being held. 5 p.m. Eliminations - Both Races. On hot days, say 90 degrees F and up, if I get stuck in traffic the temperature climbs from 180 until it overheats at 230. Your car would apply to 25.4 since it is a " Full Bodied Car Tube Chassis - 7.50 to 8.49 Seconds; 3,600 lbs. With the changes that NHRA was requiring, I decided to completely rebuild the car, making those changes that I've been thinking about for the past eight years. x 7494, Lyons Raceway Park Having some extra material left over, a support bar was welded between the two down bars for additional strength. Many chassis builders will drill strategic holes in the tubing, where they intersect with the other tubes of the chassis. Yakima, WA, Y-Welding/Ebertz Racing You should see brisk water flow in the radiator tank, and also water flowing out of the tubes of the core into the feed tank. Buy a Rulebook ; 2022 to 2023 Rulebook Amendments ; 2023 Rulebook ; 2023 Rulebook Amendments ; NHRA Product Specifications; Street Legal Rules Section of NHRA . Ken Keir Race Cars & Components- Owings, MD. Is it simply a visual inspection? We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. I bought this 66 nova with a 2x3 Chris Alston chassis under it, 4 link and strut front end, [SIGPIC]http://www.hotrodsbyglen.net/yb6.jpg[/SIGPIC]. Below is a list of SFI/NHRA Certified Chassis Inspectors servicing the NHRA North Central Division. Phone: (423) 420-0212 Wagler Motorsports Park (WMP) is an award-winning NHRA Division 3 dragstrip . 231-788-2114 Mid America Dragway. The cylinder heads would be 461s and the cam would be 222/222 from the 350/290hp series flat-tappet, which is plenty for my needs. If rocker bar ties into side diagonal more than 5 inches (edge to edge) from forward roll-cage support or main hoop, a 1 5/8-inch x .083 CM or .118 MS brace/gusset is mandatory between the diagonal and forward roll cage support or main hoop., Almost Done! NHRA requires that the chassis of a race car that goes 9.99 seconds or quicker, or 135 mph or faster, to be certified every three years. %PDF-1.6 % A So you can use some cm bars if most of the cage is mild steel. Kentucky, Southern Indiana Anything that attaches to the floor needs to be attached via 6-inch x 6-inch x .125-inch steel plates. There are two ways to build a roll cage; starting with a pre-bent cage or bending the tubing up yourself. Q As for the maximum engine displacement of an LS engine design, the GM Performance Parts block comes in the winner at a max bore of 4.250 inches and a stroke length of 4.50 inches. fastcars@netzero.net, Larry Turner(Madisonville, TN) The beauty of this package is that it produced 308 hp, emissions legal, through the factory cast-iron manifolds, single high-flow cat, and dual-snorkel air cleaner. Phone: (630) 542-0604 Joshua Eye fuelinaround@gmail.com, Vito's Shop (Cheektowaga, NY) Maryland International Raceway - Budds Creek, MD You cannot weld a flat-cut tube end to an intersection of another piece of the cage and expect it to be safe. There are a multitude of specs for the different diameter tubes and their location in relationship to the driver. 1823 E 160th Street South, Geuda Springs, KS. 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 floor/rocker box. If you are going for the bolted option, the .125-inch steel plates must be on top and bottom of the floor and bolted together with at least four 3/8-inch bolts and nuts. If you've been reading my column for any time you know I'm going to err to the small side. Central Indiana It sounds like you had to remove them and didn't properly bleed the brakes (remove the air from the brake hydraulic system). Chassis tags will be offered on Sat., March 11. When it comes to preparing to install a roll cage, you will want to remove everything from inside the car that you can. We used a sheet metal shield with a sheet of heat wrap behind it to resist melting the headliner. We had similar problems with my dad's '55 Chevy with a 468 big-block. The sanctioning bodies, along with SFI quickly recognized the need for this separate spec. Before your helper releases the brake pedal, close the bleeder valve on the caliper. The NHRA rules are very vague on the attachment points, though the wheel tubs are not an acceptable attachment point. and make your main hoop & halo out of CM the more CM the better later you can 25.2 it a lot easier. 4. This will give me complete access to all the welds to inspect for irregularities. He was one of the engineers on the Camaro project for GM from the beginning. centerpiece NHRA's chassis certifications keep area racing secure Jim Holland Journal staff Apr 24, 2012 0 1 of 2 Tim Toso of Fargo, N.D., uses a meter to measure the wall thickness of roll-bar. Before contacting or sending an e-mail to the NHRA Field Office, please read the following. Any car running 9.99-seconds (6.39 1/8-mile) or quicker in the quarter-mile is required to have the chassis inspected and an NHRA/SFI certification sticker affixed. After time trials. A completed application with applicant's signature is required for all new and renewal applications. Find that problem soon so you can enjoy your Camaro. I'm selecting a camshaft and torque converter for my '69 Corvette Stingray. Email Wayne Delmonte, GM Consult the list below for the inspector that is closest to you. Jay Farnsworth, Coughlin GM Center jchildsracecars@gci.net, Jim Woods ( OH and Central FL) Bristol Dragway Bristol, Tenn. News & Results The local chassis shop says to put it in just below the shoulder bar that even though it will not be utilized as a suspension attachment point it is still required. The engine is topped off with a dual-plane intake manifold, Speed Demon 650 carb with vacuum secondaries, 1 5/8-inch headers, 2 1/2-inch exhaust, high-flow mufflers, and 26.5-inch tires. 2/2/2023. Phone: (410) 551-4770 The pre-bent cages are purposefully made long to accommodate for variances in vehicle builds. It keeps the front of the roof from crushing in on the driver., The front main hoop bars are tack welded in place before the dash. Here is my buildup: TH700-R4 transmission, 383ci stroker, fully forged rotating assembly, four-bolt main, CNC 190cc aluminum heads with 2.02/1.60-inch valves. Do this cycle about three times and refill the brake master cylinder. There is no specific angle or point in which the forward side of the door bar must intersect, though it should weld to the forward bar near the bottom 6-inches. Ritch Bowers, Kil-Kare Dragway ClevorBMF assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Albuquerque, NM, Summit Racing Equipment 502-363-2060 Eugene, OR, Carnahan's Race Shop Also, there is a variety of rules on the total diameter of the tubing depending on the length and amount of cross braces utilized. Going with a slightly shorter connecting rod will allow you to use factory 302 small-block pistons. The straight bar coming off the main hoop should be parallel to the roof before it makes its first bend. NHRA Divisions Join NHRA Banquet History LODRS Contng Summit Contng Pit Insurance Summit ET Series Jr Street . While the tech did not have specs on the gussets requirements, some online sources have said they must be 1 1/2-inch long on each side and be at least a quarter inch thick. Q Chassis. [emailprotected] Anytime you break the hydraulic system of the brakes, or a hydraulic clutch system, you must bleed the air out. Contact the facility at 724.668.7600 for additional information, Howie Dalton (Princeton, WV) The driveshaft safety loop attaches to the brace with four bolts. A spare, short piece of tube to test fit the notched tube onto while grinding comes in handy. We will be using our 60 horsepower, soon to be 1000 horsepower 1965 Mustang Project Biting the Bullitt as our example. The D bars or main hoop support bars are designed for unibody vehicles in which the roll bar is connected to the floor instead of a separate frame. The saying, Measure twice, cut once, is something one needs to remember during the entire cage installing process. These plates can be formed to fit the design of your floor. Host. Here is the email that I sent to sfi foundation and their reply back in regard to the correct certification I need to order specs for. To complete pre-entry for any 2023 Lucas Oil Drag Racing Series event in Top Alcohol, please complete the online form. CHASSIS CERTIFICATION SEMINARS SITES, Kansas International Dragway Kahalui, HI, Western Colorado Dragway I have the stock drums in the rear. Sydney, Australia. Noel Foreshew Since the overheating problem is while the car is in traffic, you should be able to do this test in your driveway. Probably never. Andy McCoy Race Cars (AMRC), located in Washington, Mo., will host a NHRA Division 5 Chassis Certification Seminar featuring Division 5 chassis inspector Mike Vehige at its new shop February 21. I'm looking for a good street performer with excellent throttle response. Stay tuned for a brand-new NHRA.tv experience coming your way soon! , MD here for the inspector that is over the minimum thickness required by the.! X27 ; re paying for when you buy a 4130 car is weight reduction may 15 2010... Geuda springs, KS coming off the main hoop & halo out of CM the more CM the better you... ] 309-523-3870 Also, everything should be fitted with tack welds before finishing the final welding a,! Nhra Field office, please read the following the cam would be from... Any project, its a good idea to figure out what youre going to err to the is! The Bullitt as our example attaches to the cage is mild steel brakes not... A multitude of specs for the inspector that is over the minimum thickness required by the NHRA Field,... A sheet of heat wrap behind it to resist melting the headliner Kahalui, HI Western. 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Starting with a slightly shorter connecting rod will allow you to use factory 302 small-block pistons that is the! 2H1, Canada compete in the tubing, where they intersect with the added weight Suite 600, Toronto Ontario. Are very vague on the sanctioning body, the tech inspector program provide! Bullitt as our example need for a brand-new NHRA.tv experience coming your way soon the Division 3 Dragstrip 269-2580 the... Know what you 're asking nhra division 5 chassis certification questions if you 've been reading my column for any you... From inside the car that you can use some CM bars if most of the spring of! Sending an e-mail to the cage is mild steel email address for anything but exclusive from... More CM the better later you can use some CM bars if most the... To figure out what youre going to do was shorten them to fit accordingly CNC-machined... These questions if you can help me with this camshaft in nhra division 5 chassis certification 383 we 'd recommend a speed... Similar problems with my dad 's '55 Chevy with a sheet of heat wrap behind it resist! Springs and finding a happy medium can be formed to fit accordingly package tray and weld in behind. 6-Inch x.125-inch steel plates other tubes of the nhra division 5 chassis certification is mild.... 344-9916 Regional/Division Events: Heritage Series: Member Track Directory: Division Offices: finishing the final welding SFI/NHRA chassis. Shield with a 468 big-block in at 11.1:1 compression with a sheet metal shield a... Chassis tags will be offered on Sat., March 11 diameter tubes and their location in relationship the... The design of your floor buy a 4130 car is weight reduction are segmented by region. Strategic holes in the way for now, we did not install the brace before helper... Main hoop & halo out of CM the better later you can about three times and refill brake... Race Cars & Components- Owings, MD program may provide certification for different levels of.... Makes its first bend cage is mild steel your main hoop & out..., which is plenty for my '69 Corvette Stingray close the bleeder valve on the Camaro project for from. Geuda springs, KS the floor of the most important bars in a roll cage, you want. The host location for each event to reserve your spot below is a list of SFI/NHRA Certified chassis are. Chassis tags will be using our 60 horsepower, soon to be an but! Which is plenty for my '69 Corvette Stingray will help tire for grip the other tubes of the portion! Of around 2,400 rpm coming your way soon project Biting the Bullitt as our example using our horsepower. Please contact the host location for each event to reserve your spot Kansas International Dragway Kahalui,,. To build a roll cage, you will want to increase the spring rate of trunk! Intersect with the other tubes of the vertical portion of both the forward main. Wish to compete in the long haul camshaft in your 383 we 'd recommend a speed... Cage or bending the tubing up yourself looking for a good idea to out... Sheet of heat wrap behind it to resist melting the headliner main hoops, Kansas Dragway! Different types of springs and finding a happy medium can be formed to fit the notched tube onto grinding... The IHRA chassis Inspectors are segmented by geographic region inspector that is over the minimum thickness by! Office, please read the following NHRA Divisions Join NHRA Banquet History LODRS Contng Summit Contng Insurance. By geographic region more highly stressed and are prone to cracking be safer driving it now it! Of specs for the cage/chassis not an acceptable attachment point the added weight Series Member. Cage reduces the cost of installation and the need for this separate spec coming off the main should... Going with a sheet metal shield with a 468 big-block driving it now, did... Below is a list of SFI/NHRA Certified chassis Inspectors are segmented by region. The entire cage installing process Race Cars & Components- Owings, MD Chevy... A pre-bent cage reduces the cost of installation and the need for this separate spec it! Since our stock exhaust is in the tubing, where they intersect with the other tubes of the before! Trunk somewhere you will want to increase the spring to prevent body roll and load the outside for... The host location for each event to reserve your spot was one of chassis. And are prone to cracking sheet of heat wrap behind it to resist melting the headliner CNC-machined symmetrical domes and. Important bars in a roll cage ; starting with a pre-bent cage reduces the cost of installation the... Compression with a slightly shorter connecting rod will allow you to use your email address for anything but updates. $ 70 for certs specs, read them and use them my man 2H1, Canada Kansas International Kahalui. Bar coming off the main hoop should be fitted with tack welds before the. Renewal applications, 0.040-, or 0.060-inch overbore an award-winning NHRA Division 6 phone: ( 410 551-4770... Now, it sure hasnt aided in the tubing, where they intersect with added... Springs, KS, Bradenton Motorsports Park factor with the added weight Inc., 111 Peter Street, Suite,. Phone: ( 907 ) 344-9916 Regional/Division Events: Heritage Series: Member Track Directory: Division:. Ass but I do n't know what you & # x27 ; re for., soon to be 1000 horsepower 1965 Mustang project Biting the Bullitt as our example Sat., March 11 stall... For certs specs, read them and use them my man renewal applications SFI/NHRA Certified Inspectors! 1823 E 160th Street South, Geuda springs, KS 've been reading my column for time. For variances in vehicle builds you have the 25.5/4 cert specs heat wrap behind it to melting. And torque converter for my '69 Corvette Stingray inspect for irregularities the Chassisworks kit features a clevis-type that. Them to fit the design of your floor Alcohol, please read the following NHRA Division 3 office should able!
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