Quote:
Originally Posted by Captainfab
You can change the entire 3rd member with one with 4.10 gears. That is as high of a gear you are going to find, if you can find one. That is the highest gears ever made for those Eaton HO52/72's. New gears are not available. New drums are not available either.
I would suggest changing the entire differential for a 14 bolt with 3.73 or taller gears.
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1. What is the difference between a 3rd member and an entire differential?
2. What exactly is a “14 bolt with 3.73”? I understand the gear ratio, just what car? I presume you mean an entire rear end from a specific car or truck? What years car or truck am I looking for?
3. Will I need to modify the rear end structurally, for example, adding brackets or supports?