Okay I have searched and searched, and I am either horrible at searching, or there is not a thread on it, but I need to find out how to I.D. what LSD is in my car. Right now I have an N/A 1987 with an open diff. I want to take the LSD out of my turbo parts car and put it in, but how do i know if it is a 3.73, or a 3.90? I dont want the 3.7 in my N/A...
