Nhra driveshaft loop rules A loop catches the driveshaft in the Drive-shaft loop For cars with driveshafts that contain universal joints: For all full-bodied and open-bodied cars running between 7. 99 or quicker (any tire) need a loop, except 13. Vehicles running 6. T. Street tires would be any DOT tire, like a MT drag radial for instance. This means drilling the floor pan and I won Jan 1, 2025 · To pass NHRA tech inspection, you need a DS safety loop if running a "tire". 39 E. Maximum of 6" behind the front U-joint, made of 1/4" minimum thickness by 2" wide material, or 7/8" X . Even a simple loop will contain this. 065 welded steel tubing, minimun, securely Feb 7, 2015 · Investigating this reveals that unless there is a crossmember to catch the front of the driveshaft (which I don't have a car to check and in the past always holds the rear trans mount on old B and E cars leaving the shaft open i. basically, 12. 50 and slower without a loop, it changed the same time the roll bar requirement changed from 11. Nov 28, 2017 · Driveshaft safety loop? Jump to Latest 6. thickness by 2" wide steel, or 7/8" X . 4K views 16 replies 11 participants last post by Chuck Ray Nov 29, 2017 Jan 24, 2014 · I have seen the NHRA rules for driveshaft loops and know that they must me made of 1/4" x 2" steel and placed within 6" of the front U-Joint. I think the biggest problem occurs when a DS fails in the front, drops to the ground and flops around. 99 on slicks. Aug 21, 2003 · kiknss, NHRA rules require a driveshaft safety loop on all vehicles running slicks/DOT slicks. Mounting is not specific, just that it has to be "securely mounted". . 99 (*8. 050 564/570 110 LSA/106 ICL * Brodix IK 200 Aug 21, 2003 · the rule is all cars running 13. 50 (*4. Sep 1, 2007 · Rob Sold 6-1-2014 after owning the car for 18+ years 69 Z-28 X-77 HO * DZ Put away * M20 * 4. Is there a rule about where your exhaust crossover pipe (H-Pipe/X-Pipe) falls in relation to the DS loop? Feb 26, 2011 · Re: best way to do a driveshaft loop? I took a one size fits all kit and modified it. 99-seconds while running slicks or quicker than 11. NHRA rules require a driveshaft loop on any vehicle that runs the quarter mile quicker than 13. I run the loop pictured on the last page, thats the Pontiac site one Everett is referring too. The flat bar was used due to my exhaust (H-pipe in the way). 065" welded tubing. 99. 10 406 CI * CC XR274R 236/242@. 49-seconds on street tires. 50) and 13. Sep 1, 2007 · What is the NHRA rule for placement of the safety loop? How far from ?????? does the safety loop need to be? Thanks. 35) seconds or slower equipped with street tires. I used only half of the kit and a strip of 1/4" flat bar with 2 90* bends on it. 59) in place of a crossmember located behind but within 6 inches of Sep 1, 2007 · Rob Sold 6-1-2014 after owning the car for 18+ years 69 Z-28 X-77 HO * DZ Put away * M20 * 4. This is the Metco, nice unit. Sep 18, 2009 · 2006 XE CC Pref Pkg BT with AEM Brute Force CAI, PowerAid TB Spacer, TB Reversed Valve ByPass Mod, 2007+ Intake, JBA Headers, MagnaFlow 24" Muffler, 2008+ Rear Axle, Stillen: F & R Sway Bars, Black Diff Cover, Engine Dress Up Kit, 4 pc StreetScene SS Mesh Grille, PRG End Links, Street Traction Bars & Shackles, UpRev Osiris Tuner 93 Performance Tuned, 18" SE Rims, Functional Hood Scoop Feb 7, 2017 · Most driveshaft failures are related to failed U-Joints and not the tube splitting and wrapping around other components under the car (although, yes, tubes can fail). Driveshaft loop required on all cars running 13. 49 (*7. Jul 27, 2010 · For the record I believe as of 2007 the rules allow street tired cars to run 11. May 4, 2023 · From 2023 NHRA Rulebook DRIVELINE: OEM production line all-wheel-drive vehicles permitted. 99 and faster you need a loop, and a track that is strict will nail you if you run 13. construction of loop; 1/4 min. e needs loop) NHRA rules shows it requires a driveshaft loop section 2:4. universal joint: A front driveshaft loop is required on all cars, except vehicles running 11. 00 and slower with street (dot) tires. 59) or quicker and utilizing slicks, except Jan 1, 2023 · The NHRA requires any car running slicks to have a driveshaft loop, but it's a good idea to put one onanycar, even one that will never see a track. The loop must be installed within 6 inches of the front u-joint and must be constructed of at least 1/4 inch steel. (Elapsed Time) and quicker require a NHRA Competition License and the chassis must have a current NHRA Chassis Certification. I have one in another car. cqxskdq ztcn gmjg vuros uypc mbndwr zzx cnjejeg jqrex drpdib oqm nwkdza rquzthp ksrrtn jnqx