I have the same heavy-duty propshaft after I snapped the stock one and still have problem's with the new-one being balanced. What did the shop that put your's do to make it balanced?
Yep, it's a pain in the butt. I guess you read my page about it. Well, the shop claimed they rebalanced it and they rewelded the little metal piece indeed, but it's not perfect. Still has some vibration around ~80 MPH. I gonna try to reclock the shaft with one bolt at a time and try. It helps sometime.
I did not read your site, but have the same prop-shaft with some of the same balancing issue's. You returned it and had them rebalance it? Do you think it the 1/2 ton U-joint's causing this problem? I snapped my front-propshaft a week after I purchased my Typhoon and this the 4th propshaft on this truck. I purchased this propshaft to guarantee it will not snap.
i had mine rebuilt, and it looks like brandons, i had some issues with vibration when i first installed it on my ty, i turned it once turn and it was gone, very happy with the result, no more vibration
I broke the propshaft at an inproper welding on the transfer case's end. Found a local shop which could repair and rebalance it. Before this action I haven't felt any vibration.
I broke mine after 40k miles and a couple hard awd donuts. Sent it to dynotech and they said the could not rebuild it and i had to get a new one $490. So i took it to this shop that makes Big Rig truck driveshafts. A bunch of local drag racers have thme make their shafts. It cost me $185. The vibration is very minimal and only at low speeds (15-25mph) then smoothes out. You can hardly notice it.