TheSubaruJunkie Posted June 13, 2004 Share Posted June 13, 2004 Got the rear LSD from an RX, and a spare 3.9 diff to convert it. Problem is the RX diff is from a EA82, and the 3.9 is from my EA81. Will the 3.9 EA81 case bolt into the legacy? and will the EA82 diff hold up to the power of the EJ22T? -Brian Link to comment Share on other sites More sharing options...
Hondasucks Posted June 14, 2004 Share Posted June 14, 2004 your car is a 91 it should already HAVE an LSD... Also, unless you have the proper tools to set up the gears and bearing preload, it's not worth it. Link to comment Share on other sites More sharing options...
Dr. RX Posted June 14, 2004 Share Posted June 14, 2004 Gee Hondasucks, look at his signature block, it will tell you it is a 92 Legacy Turbo. And the rear diff in the 91 was a VLSD, not a LSD. Brian, yes it will work, all of the 3.90 LSD conversions that I have made were for EA81 cars and the 3.90 came from thoses cars. Yes, that rear diff will fit in your Legacy Turbo. By WCSS I should have a 3.90 VLSD available, but it won't be cheap, next to the fabled 3.90 LSDs, these are rare, only available one year. Link to comment Share on other sites More sharing options...
TheSubaruJunkie Posted June 14, 2004 Author Share Posted June 14, 2004 would it be wise to go with a VLSD? Or better to use the real LSD? -Brian Link to comment Share on other sites More sharing options...
Dr. RX Posted June 14, 2004 Share Posted June 14, 2004 Either will work, VLSD really works better at higher rpms, the LSD works at any rpm. The difference is that the friction material in a VLSD is the viscous fluid, and in the LSD it is clutch discs. Link to comment Share on other sites More sharing options...
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