fl327 Posted September 30, 2002 Share Posted September 30, 2002 shopping for a 3.90 rear end, and im wondering if its dependent on year which differential flange bolt spacing or if its only different from r180 or r200? thanx guys. heres my case, im running a zx trans to the stock 75 r200, now is the flange different for a 81-83 r200? im shopping for a 3.90 or 4.11 diff for my car and dont want to pick one up, drop my suspension, and find out its the wrong flange, also dont want to swap flanges because i dont want to damage bearings. just trying to make my diff swap take four hours not four weeks. thanx guys. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted September 30, 2002 Share Posted September 30, 2002 Len this might help. I have the Neapco adapter flange (N2-2-899-1) for the 280 Z 200R diff. The two distances from middle of the bolt holes are 1 3/4 inch one way and 2 1/8 inch the other way respectively for the 280 200R Datsun diff. Quote Link to comment Share on other sites More sharing options...
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