Quote:
Originally Posted by 69x22
My 12 bolt came from Moser with Motive 3.55s. Those didn't make it to the end of the street without screaming at me. Moser wouldn't warrantee it because the rear sat for a year and a half while the car was being built. The next 2 sets were put in by Pyle Brothers, Hoosier 3.73s and Motive 3.73s, both were loud and got worse as time went on. The next set were used GM off Ebay (quietest so far). They had a slight whine between 45 and 50 but have gotten worse. I've never used synthetic throughout all of this.
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How was it set up? What was your backlash? How about your pattern?
It's hit or miss on the specs that come out. Had a few with no pre load at all. I even polished the gears on a few richmonds and it seemed to do the trick.