S spdrcr771 New Member Messages 208 Location United States Aug 25, 2010 #21 spf_lexus said: Since you have a VVT sc400 spdrcr, you can swap a 1992-1997 differential to bump your 3.60 final to a 3.90 final drive. Click to expand... Yea but that would just make my top end even worse. Its 128 now. It would be like 122 then. My friends 4.27 lsd 98SC400 is right at 120. This would not work @ Texas Motor Speedway roval event.
spf_lexus said: Since you have a VVT sc400 spdrcr, you can swap a 1992-1997 differential to bump your 3.60 final to a 3.90 final drive. Click to expand... Yea but that would just make my top end even worse. Its 128 now. It would be like 122 then. My friends 4.27 lsd 98SC400 is right at 120. This would not work @ Texas Motor Speedway roval event.
