nhra rule book driveshaft loop

The rule book states. This safety loop is designed to fit near the transmission tail shaft in the tunnel area.

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. The 2020 NHRA Rulebook is now online and viewable by all who wish to compete in the NHRA arena. 2021 to 2022 Rulebook Amendments. 24 DRIVELINE Drive shaft loop 6 inches from the front U Joint On any car in which the driver sits over or in back of the rearend center section a suitable protective shield of 120-inch 3 mm minimum thickness steel plate must be installed for those units with universal.

Bolt In Driveshaft Loop 67 -75 Mopar A Body. I took this from a older NHRA rule book. DO NOT BEGIN THIS INSTALLATION UNTIL YOU ARE CONFIDENT THAT VEHICLE IS SECURE AND SAFELY.

But Did You Check eBay. Read customer reviews find best sellers. A roll cage is mandatory in all cars running 1099 699 and quicker or any car exceeding 135 mph.

Most guys fasten them to the floorpan but a company makes one that attaches to the trans mount and extends back 6 past the u-joint. 4 Jan 21 2010. Wish I could have kept them all yes.

Hey all At what point does NHRA require a driveshaft loop. Only show this user. My 5th gen II all 6s 7s chevcanada.

Racers start your projects. Drive-shaft loop For cars with driveshafts that contain universal joints. I took this from a older NHRA rule book.

These rules were put in place to keep racers safe from the destructive force a driveshaft failure can produce if it occurs during a run. I believe this rule still stands. Jun 21 2005 Location.

Only show this user. Only show this user. Call the office for International orders.

Only show this user. The 2021 NHRA Rulebook and 2021 Summit Jr. -A driveshaft safety loop is required when you run slicks not drag radials or street tires.

Quarter-Max offers an entire line of driveshaft. In this thread in this sub-forum in the entire site. For cars with driveshafts that contain universal joints.

The rules require that the loop is mounted within 6 inches of the front U-joint on the driveshaft for support of the driveshaft in the event of a. Browse discover thousands of brands. Ad Big Selection of Driveshaft Loops In Stock.

The reason for this requirement is to keep the driveshaft from digging into the ground or piercing the floorpan of the vehicle in the event of a front universal joint. For all full-bodied and open-bodied cars running between 750 450 and 1399 859 in place of a crossmember located behind but within 6 inches of. I dont want to add a driveline loop to my Model A that I take to the drags.

Some tracks are more strict on enforcing the loop old rule was 12s-1390s but generally I think the new rule is 12s requires them. 5 Sep 19 2009. With street tires or drag radials no loop is required until 1149 14-mile 735 18-mile and faster.

Ad Free Shipping Available On Many Items. To comply with these rules Trans Dapts driveshaft loops are made out of two-inch wide quarter-inch thick steel and are powder coated for corrosion resistance. I know NHRA rules state it cant be further than 6 away from the yoke but I cant remember from reading my friends rule book if front or rear matters any.

Only show this user. Check Out Top Brands On eBay. Driveshaft safety loops and tunnels are required for vehicles where the OEM floor has been removed and for other specific classes.

Driveshaft loop required on all cars running 1399 or qucker and utilizing slicks except vehicles running 1149 or slower equipped with street tires. Rumblefish360 I have escaped the evil Empire State. 1399 14-mile 859 18-mile or quicker.

The main NHRA Rulebook is packed with all. The on line NHRA rule book says you need a driveline loop unless you run street times. Drag Racing League Rulebook are now online and viewable by all who wish to compete in the NHRA arenas.

Maybe someone on here has the answer. And if and when required is there specific location for driveshaft loops. This is general information only and you should always refer to the current Official NHRA Rule Book.

West Palm Beach FL 33401. Probably never had a problem because after I saw my first vehicle pole vault I started running a drive shaft loop most of the time. 1555 Palm Beach Lake Blvd Suite 400.

13s and street tires your all. I went 6 inches per the NHRA rule book too. Apr 26 2018 12.

The front yoke of the driveshaft. Class-by-class regulations and requirements racing procedures and. Recognizing that the 1993-2002 CamaroFirebird and 1978-1993 Ford Mustang are some of the most popular drag cars among amateur racers Trans Dapt made sure to have bolt-in solutions.

NHRA rules require a driveshaft loop on any vehicle that runs the quarter mile quicker than 1399-seconds while running slicks or quicker than 1149-seconds on street tires. I believe this rule still stands. Aaron No more than 6 back from the tailshaft is the rule.

It will be tough to get it that close with a universal loop because of the way the floorpan is on a 68-72 Chevelle. With street tires or drag radials no loop is required until 1149 14-mile 735 18-mile and faster. SHARE POST 12.

2 Jan 3 2008. 1993 GT Mustang Ford Racing GT-40 Crate Motor B. See the NHRA Rule Book for more detailed information.

At Island they have nver looked under my car. 1 hour agoBy Brian Wagner May 18 2022. 1399 14-mile 859 18-mile or quicker.

Mounting is not specific just that it has to be securely mounted. Maximum of 6 behind the front U-joint made of 14 minimum thickness by 2 wide material or 78 X 065 welded tubing. A driveshaft safety loop is required per the NHRA rule-book on any vehicle using slicks and running 1399 or faster in the 14 mile.

Everything You Need For Anything You Drive. The driveshaft loop is required to meet the NHRA safety rules if the car is running 1399 and faster on slicks or 1300 and faster on street tires. Its fully adjustable too.

Investigating this reveals that unless there is a crossmember to catch the front of the driveshaft which I dont 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 ie needs loop NHRA rules shows it requires a driveshaft loop section 24This means drilling the floor pan and I wont do that to mine. Speed Engineering recently released their driveshaft safety loops for 1999-2018 GM trucks SilveradoSierra. Does it matter if it you put your driveshaft loop around the rear yoke vs.

The Lakewood Drive Shaft Safety Loop is made from 14 thick steel and is 2 wide which complies with specifications stated in the NHRA IHRA rule books. See NHRA Rule Book for more information. These loops are made in the USA and are specd to fit both 2WD and 4WD applications.

Just get it as close to the 6 - 8 range as you can and it will be fine. I may want to run drag radials if it would eliminate having to use a loop. This is general information only and you should always refer to the current Official NHRA Rule Book.

For all full-bodied and open-bodied cars running between 750 450 and 1399 859 in place of a crossmember located behind but within 6 inches of. We Are Your One Stop Shop. Free Shipping Over 99.

Joined Jul 2 2005. -A driveshaft safety loop is required when you run slicks not drag radials or street tires. A driveshaft loop is required on all cars running slick tires except vehicles running 1300 and slower equipped with street tires.

Porknbeaner Mar 18 2015.

Section 20 General Regulations Nhra Com