Bent Axle Housing?

[pagrunt]

Possible bad wheel bearing?

 

[pontiacgp]

what kind of bushings do you have for the engine mounts and transmission?

 

[marcar1993]

what kind of bushings do you have for the engine mounts and transmission?

Stock style rubber, they are in good shape.

 

[pontiacgp]

Stock style rubber, they are in good shape.

the reason I was asking if polyurethane was used in the engine mounts and rubber for the transmission or visa versa that can cause a vibration

have you put your vehicle in neutral when the vibration is there and have you put your brakes on lightly to see if that affects the vibration

 

[marcar1993]

The rear is solid mounted, it has heim joints on all ends due to the misalignment of an 8.8 into a g body. And while I'm sure I have, I do not recall specifically what that did. I am leaning towards saying braking and coasting does nothing for the vibration, but I will have to retry and get back to you.