Rear end experts please help.
Pinion preload 20 lbs.-in.
Becklash .008
Ring didn't runout more then .0015.
And now when I go 60 mph and up they whine (loud)
but if I let of the throde it's quiet and as soon as I touch throde it whinees.
What I mess up.
Appreciate any help.
Pinion depth was checked with paint wasn't perfect but acceptable compare to patterns included in magazine I have with all passible patterns.
Thanks.

