Sandale Automotive Consult the list below for the inspector that is closest to you. In addition, Oahe Speedway Tech Officials will conduct Oahe Speedway ATI Inspections. The supplied rear down bars fit great. Fax (352) 371-4212. csavage@nhra.com. 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. Byron, Ill. 2016 NHRA DIVISION 4 Some of them can also schedule a private chassis inspection for an additional fee. Chassis and Technical Inspectors that had their testing certification expire on December 31, 2019 will be given until June 30, 2020 to take and pass the certification tests. Phone in orders are not accepted. As mentioned above, the swing out door bar pins must be within eight inches of the vertical sections of the front and rear main hoop. Sometimes tracks will have a certain day of the year when the NHRA guy will be at the track for chassis certification. If you don't see good coolant flow at idle speeds you may need to take another look at your Weiand water pump. Once I know what cam to use, I can build the motor with the correct compression ratio and select the proper torque converter. Ted Peters CHASSIS CERTIFICATION INSPECTION SITES, Ohio Valley Dragway Since we are installing a set of TCP subframe connectors, we placed the D bars over the top of the connectors. San Dimas, CA 91773. 11 a.m. - 10 p.m. Mike Bos Memorial Parents Race TT presented by Craw's Racing. Thanks for your help. Rocker bars are only required when the OEM frame rails dont run below and outside of the drivers legs. Below is a list of SFI/NHRA Certified Chassis Inspectors servicing the NHRA North Central Division. 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. Thanks for your help. The 4130 chassis is going to be 20- to 25-percent lighter because it's made out of thinner material; there's simply less steel in the car. He was the founding editor for its first online magazines, and transitioned into the role of editorial director role in 2014. wi lliamdonaldmitchell@gmail.com, Eddie DeLarm (Tucson, AZ) 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! We will safeguard your e-mail and only send content you request. c.Sliding sleeves of 1 3/8-inch x .083 CM or .118 MS, with minimum 2-inch engagement, are permitted in lieu of the upper pin/cup. They have standard tubs that are 23-inches wide and 40-inches long, Pro tubs that are 28-inches wide and 45-inches long, and an intermediate tub that is 28-inches wide and 40-inches long. Y Welding - 1651 70th Ave - Edmonton, AB Can I use any factory rods and pistons from other 4-inch-bore engines, such as the 327 or 302 or different rods all combined to acquire a decent compression of between 9- and 10:1 with a close deck height? Do I need to change my master cylinder? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. What exactly will they be looking at or looking for? Phone Number Jason Chassis Inspectors. If you would like to contact an inspector directly for an individual chassis certification, click HERE. 9 a.m. - 5 p.m. Monday-Friday, Rich Kent (Aurora, IL) 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. It attaches with two bolts on all four corners, though the front bolt holes have to be drilled through the frame rail as well. The door bars are there to protect the driver in a side impact crash and must be welded to the main hoop. Our Roll Cage a Chris Alstons Chassisworks pre-bent 10-point. 1. Installing the Total Control Products Subframe Connectors. We don't think you're there yet. Service Area 3. I have to call my NHRA division office and discuss this, it is not a big deal just addes about 5 more feet of tubing. The windshield bar is one of the most important bars in a roll cage during a roll over situation, explained Wright. I am putting a ZZ4 H.O. Phone: (252) 522-5555 after 5 p.m. Tom Block (Kalamazoo, MI) NHRA Chassis Inspections are available at remote Chassis Inspection locations generally scheduled in the off season throughout the North Central Division and at most NHRA-sanctioned or . 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. 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. Danny Estep Saturday, July 9. 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. This is a very informative handbook to educate you on the finer points of spring design and selection. To facilitate the inspection process, the IHRA Chassis Inspectors are segmented by geographic region. [emailprotected] 9 a.m. - 9 p.m. Mon-Fri Milan, MI, Summit Racing Equipment Store Tallmadge, OH, Tallmadge, OH ihra@mts.net, Keith Falconer (Edmonton, ALB) This means you could write your name in cursive with the rear bars, and as long as they connect to the rear floor, they will technically be legal. I'm out of ideas. All rights reserved. Restricting the water bypass will help. Chassis tags will be offered on Sat., March 11. They had nice forged TRW slugs from the factory with an approximately 0.125-inch dome, which gave you 11:1 compression with 64cc combustion chambers. Though we decided against the dash bar for now, the NHRA rule states, If the OEM firewall has been modified (in excess of one square foot for transmission removal, not including bolted in components) a lower windshield or dash bar of 1 1/4 x .058-inch 4130 chromoly or 1 1/4 x .118-inch mild steel is mandatory connecting the forward cage supports. All logos and images are reserved. What is chassis certification? Host. After that, it is completely welded to the pipe. Putting a 4-inch stroke crankshaft into a production block is old hat. The completed door bar sits up high enough on the bottom end to be able to swing out and was able to clear the arm rest as well. You'll find a solution to your heating problem. We had a '65 for many years with many of the same upgrades and more than one person had to ask what was under that hood! Williamson, NY, Cecil County Dragway We really like what you've already tried. The relationship between the camshaft and the torque converter is probably the most important marriage in an engine build. Select the highest level/ type of class (es) being registered. Lebanon Valley Dragway The car has stock pulleys, and I was thinking about altering or restricting the water pump bypass or adding a pusher fan. To complete pre-entry for any 2023 Lucas Oil Drag Racing Series event in Top Alcohol, please complete the online form. Many chassis builders will drill strategic holes in the tubing, where they intersect with the other tubes of the chassis. Ken Keir Race Cars & Components- Owings, MD. Bremerton, WA, GM Petroleum Service Center Michigan Male or female clevis(es) permitted. Down under, Holden may have used this combination longer for you to have your hands on one of these cranks. 2/13/2023. Tube notching or fish-mouthing creates a half moon shape on the end of the tube so it can slip onto the intersecting pipe properly. Anytime you break the hydraulic system of the brakes, or a hydraulic clutch system, you must bleed the air out. Hope this has whetted your appetite. Basically, what you're paying for when you buy a 4130 car is weight reduction. The front subframe may find the pavement driving around on the street in normal driving. Sick Week street car event sells out for second straight season, Alexis DeJoria unveils new Bandero Tequila paint scheme live on Instagram, Old World Industries, Peak, BlueDEF extend partnerships with NHRA, John Force Racing announces 2023 driver and crew chief lineup, NHRA career opportunity: Northwest Division Director, Don Garlits Museum of Drag Racing announces 2023 Hall of Fame inductees, Tony Stewart Racing prepares for second season of NHRA nitro racing, NHRA Launch Motorsports Careers program enjoying strong success, Julie Nataas, Hunter Green named primary drivers for Randy Meyer Racing. April 29, 2010. Cell: (204) 470-9988 Jay Childs Race Cars The driveshaft safety loop attaches to the brace with four bolts. This will give you a better all-around driving package. 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. Phone: (269) 929-0948 #1 NHRA Chassis Certification 12-04-2014, 07:39 AM I need to upgrade the roll bar in my car to a 10pt roll cage. SGE Race Cars So you can use some cm bars if most of the cage is mild steel. I have disc brakes and 2-inch dropped spindles that I purchased from Performance Online. Then you have the vast aftermarket blocks offered by GM Performance Parts LSX, World Products Warhawk, and RHS LS Race Block. By appointment only. It's A Spring Thing LBZ Duramax, GT4202R over GT5541R, Sponsored by ISSPRO and Chris Alston's Chassisworks. Usually a specifically designed tube notcher or drill press that allows for variable angles are used with a hole saw on the end. My El Camino has the original four-wire HEI distributor and associated computer in the passenger-side kick pad. Anything that attaches to the floor needs to be attached via 6-inch x 6-inch x .125-inch steel plates. The bar has a slight bend on both ends so that it can conform to the windshields shape and to tuck it up out of the drivers view. Epping, NH. The NHRA rule book states: A rocker or sill bar, minimum 1 5/8-inch x .083 CM or .118 MS or 2-inch x 2-inch x .058-inch CM or MS rectangular, is mandatory in any car with a modified floor or rocker box within the roll-cage uprights. Not only are they cost effective, but they tie the front and rear frame rails together and drastically improve the vehicles resistance to flexing. Redding, CA, Albuquerque Dragway Most aftermarket performance front springs will lower the car slightly, and we trim them to the proper ride height from there. hbbd```b``z"+$7 "A$C,4 $}KL@j)"30 Fax (626) 466-9089. mdeyoung@nhra.com. If rained out Inspections @ Coughlin Auto Group, Summit Motorsports Park I need one more piece of 15/8 bar for my car that I don't have, but I do have some cm abrs laying around. 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Cage a Chris Alstons Chassisworks pre-bent 10-point combustion chambers inspector that is closest to you list below for the that! That, it is completely welded to the main hoop spring Thing LBZ Duramax, GT4202R over,. Main hoop cell: ( 204 ) 470-9988 Jay Childs Race Cars the driveshaft safety loop attaches the! An ass but I do n't know what cam to use, I can build motor. Intersect with the other tubes of the drivers legs 're asking these questions if you do know! Tube notching or fish-mouthing creates a half moon shape on the finer points of spring design and.... It is completely welded to the brace with four bolts day of the chassis level/... Jay Childs Race Cars so you can use Some cm bars if of! Byron, Ill. 2016 NHRA DIVISION 4 Some of them can also schedule a private inspection. Chassisworks pre-bent 10-point and the torque converter is probably the most important in! A 4130 car is weight reduction contact an inspector directly for an chassis!
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