Noise in tru trac

[brownz]

I have a New Moser 12 bolt with a 3:73 tru trac. I have called moser on this noise and they told me that they have nothing for me??? Kinda weird if you ask me...



But the concern that I have is when Im going down the highway about 70mph in 6th gear and let off the throttle and start to give a little throttle a pretty bad chatter comes from the rear end. It also does it on side street but is not as loud. I double checked my pinion angles even though I dont have a vibration and it was 2.9* down on the trans tail shaft and 4.1* up pn the rear end yoke. I can try to get the rear dow a degree but would that make change it?

I am not expert but wouldnt this be a back lash noise? I aske moser tech and they said they would have not way and can not check it and that is not part of the warranty? I do live 2.5 hours from them and they just narrowed my rear last November and I only have a couple hundred miles on it.

Does anyone know of any good suggestions for me to check? or maybe a good shop around Cincinnati that could lead me in the right direction?

Thanks