So heres the deal. My buddy has a 89 SC 5spd with 3.08 posi or trac lock or whatever. Well he is getting another SC for parts. Well he is going to take the 2.73 out of this other SC and put them in his SC. Well he's gunna give me the 3.08's. Now I have traction assist but is there a difference between that and trac lock? Will this work alright because my T-bird is a 95 LX?