8-3/4 Posi Whining......

I've never heard a U-Joint sound quite so loud......usually they growl before they go....this does sound like gear noise, always "in tune" with the rpm's too......

I'm going to check the lube level again today just to be sure it's getting enough..........

I'd appreciate someone telling me what should be a fair price to get the gears adjusted properly if they're out a little........Too difficult for me here in my driveway..........

ALSO, has anyone heard of an additive derived from "whale oil" for these rear gears?