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 drive shaft loop

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PostSubject: drive shaft loop   drive shaft loop I_icon_minitimeApril 2nd 2013, 4:43 pm

I was unclear as to whether or not I was supposed to have one with drag radials. I figured it couldn't hurt so I made one at work today.

drive shaft loop IMG_1658_zps1592c72d

drive shaft loop IMG_1661_zps63050e83

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Illinois Chaos
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PostSubject: Re: drive shaft loop   drive shaft loop I_icon_minitimeApril 2nd 2013, 5:45 pm

General regulations section 20 page 10
On any car in which the driver sits over or behind the rear-end
center section, a suitable protective shield of .120-inch minimum
thickness steel plate must be installed for units with universal joints,
securely mounted to the rear-end center section and the
bellhousing adapter. For straight couplers, the minimum shield
requirement is .063-inch aluminum, which must contain an
inspection cover for removal and inspection of the coupler securely
mounted to the rear-end center section and the bellhousing
adapter, or as noted in Class Requirements. In place of a
crossmember, in the vicinity of the front universal joint, all cars in
competition using open driveshafts must have a retainer loop 360
degrees of enclosure, 1/4-inch minimum thickness and 2 inches
wide, or 7/8-inch x .065-inch welded steel tubing, securely mounted
and located within 6 inches of the front universal joint for support of
the driveshaft in event of U-joint failure. Open drivelines passing
any part of the driver’s body must be completely enclosed in 1/8-
inch minimum thickness steel plate, securely mounted to the frame
or frame structure. Driveshaft loop required on all cars running
13.99 (*8.59) or quicker and utilizing slicks; except vehicles running
11.49 (*7.35) seconds or slower equipped with street tires

That's a good looking piece, Bill. Don't think it's required for dr's, but if a tech thinks so, you might be screwed. It's always a good idea to have safety pieces on your car.
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