it's a bandaid imo.. shouldn't be needed if the sh*t's right..
do you see the other problem that is happening now? the driveshaft is pulling out of the t-case. it may get to a point that it is too short once you angle the rear pinion down.
Having the correct angles in the driveline is a correct solution. Converting to a CV joint is another correct solution. Whether or not you can get an acceptable result from the 1st depends on many things, like amount of lift, length of driveshaft (influenced by rear end, tranny, t-case combo, slip yoke or fixed, etc.), condition of the slip, tire size, gear ratio, vehicle usage and the owners expectations. 5* or less is rarely a problem. Anything over 10* will probably cause a noticeable vibe. Results vary widely, but this is a simple, strong solution that take a lot of angle without binding.If you're getting vibes because you have a SWB Blazer and lifted it then the correct and only correct solution is to go to a CV rear driveshaft, period.
Longer bolt --> more stretch --> greater clamping force --> less likely to loosen up.





any more progress?
