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Message: [QUOTE="devdiesel, post: 1073219, member: 5653"] Looking for some advice with this rear differential. I had bought a trutrac, Yukon 3.55's and rebuild kit from Morgan back in the spring and never got around to getting them installed because the truck was apart... Well today I dropped it off at the local diff/tranny guy who has done a number of diffs for me with no problems. He called me today at lunch and said it's whining pretty bad and everything is set up right, backlash is at 7 thou, pinion preload is right and the last pattern looks great.. He blames the noise on the gears. So I picked it up in hope that some drive time would wear it in, but from what I've read it's either loud or quiet off the bat. What do you guys think? Bad gear set? Guys wrong and it's not set right? I don't touch diffs and trannys for this reason Lol so I'm looking for some advice On a good not I like the rpm drop, nothing crazy, but it's easier to drive around town but loads the chargers much harder. [/QUOTE]

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