Forgive me if I’m out of place here, new to online forums (love it though). My 82 K5 has a pretty decent vibration at about 15 mph. I searched the threads and just didn’t see anything that hit home.
I’m at a bit of a loss here. 4” lift, springs and blocks (on when bought). It had the stock driveline (w/slip yoke), so I took it in to have it balanced and lengthened (came with new u-joints). Done and done. Still vibrating. Took the driveline back, re-balanced it. Done. Still vibrating. Then I flipped the driveline 180 degrees. No change. Balanced tires. No change.
It vibrates about 65mph too, but that’s about warp speed, so I figure it’s a built in warning sign that the whole thing is going in the shitter if I don’t slow down.
Replaced the trans mount, but that actually just increased the angle, b/c the old mount was oil soaked and sagging.
Vibration at 15 and 65mph. Related? Any advice is very welcome.
I’m at a bit of a loss here. 4” lift, springs and blocks (on when bought). It had the stock driveline (w/slip yoke), so I took it in to have it balanced and lengthened (came with new u-joints). Done and done. Still vibrating. Took the driveline back, re-balanced it. Done. Still vibrating. Then I flipped the driveline 180 degrees. No change. Balanced tires. No change.
It vibrates about 65mph too, but that’s about warp speed, so I figure it’s a built in warning sign that the whole thing is going in the shitter if I don’t slow down.
Replaced the trans mount, but that actually just increased the angle, b/c the old mount was oil soaked and sagging.
Vibration at 15 and 65mph. Related? Any advice is very welcome.

