rear end woes

Gears do not whine because of brand. They whine because they were set up incorrectly. The pinion gear depth is incorrect. If it has not been run long, you can probably fix it.

Agree, here are photos of improperly set gears, and a properly set gear set with the white grease.

Incorrect-patterns.jpg
WhiteGreaseProper.jpg
Nicely centered pattern, runs quiet . . .