Competition Question for those with driveshaft loops...

[GOT-Torque]

What size of material did you use for your loops and how did you mount them?



I believe some rules state 6" long and 5/16" thick, but how large of a diameter did you use?



For example on my rear 1480 joint, do I want as little room as possible between the shield and the U-joint or should I go with something as large as 8" diameter?



Pics would be excellent...

 

[Bobcat698]

I used 6" wellcasing front and back, with the rear casing cut in half with 3 extra inches added on each side to allow up and down pinion movement.

 

[GOT-Torque]

I noticed your pic in your other thread, what did you mount the angle iron too (that runs towards the t-case)? Is it just mounted on a pivot or does it also have the ability to slide forward/back as the suspension moves up and down?

 

[BigBadDodge]

I believe I used 6" dia on the ole BBD here is a link to some pic's



Diesel-Central Photo Gallery (BBD Drive Shaft Loops - Album_ID 187)





DHRA Rule on loops:



Driveshaft Loops:

All trucks must have at least six inch wide u-joint shields around the rear u-joint constructed of at least 1/4 inch steel or 3/8 inch aluminum that will safely contain the u-joint and the end of the rear shaft. All shields must be securely mounted to the vehicle. Any front shaft u-joint that is visible from the side of the truck must be shielded to contain the u-joint and the end of the shaft. A new puller will be granted a one-time waiver of this requirement, if the engine is not equipped with a turbocharger with the inducer bore bushed down to 2. 8 inch.



BBD

 

[BigBadDodge]

Sorry that was the street rule here it is for SS and above:



All trucks must have at least six inch wide u-joint shields around the rear u-joint constructed of at least 1/4 inch steel or 3/8 inch aluminum that will safely contain the u-joint and the ends of each shaft. In addition there will be at least one shaft loop in the middle of the drive shaft. All shields must be securely mounted to the vehicle. Any front shaft u-joint that is visible from the side of the truck must be shielded to contain the u-joint and the end of the shaft.



BBD

 

[GOT-Torque]

Thanks for the info...



I saw a few trucks this weekend that had loops front and rear made out of some thin (very thin) sheetmetal. They could have used coffee cans painted black to do the same thing.



I should get mine done this fall sometime.

 

[Bobcat698]

I noticed your pic in your other thread, what did you mount the angle iron too (that runs towards the t-case)? Is it just mounted on a pivot or does it also have the ability to slide forward/back as the suspension moves up and down?

There is a pivot point up by transfer case. I'll try to get a pic later.