Quote:
Originally Posted by shines
I have a rebuilt differential with AAM 3.91 gears, the JRE posi mod, and the LPW cover. Before going to the drag strip this past weekend, the differential was perfectly silent. Now, though, there's a whine at 40+ MPH while under light load or coasting.
I only made 4 passes on street tires (Nitto NT05 315's), although I did power shift.
Should I live with the whine or spend another $500 to have the gears setup again?
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You might want to break open your pumpkin and take a look at the JRE spring... there is a bead on one gear that needs to be ground down smooth or it wears into the spring...