cpthowdy1369
Well-Known Member
Hey guys, I just bought a center pumpkin for my 8 3/4. I finally got hold of one that i could afford (yeeee-haaawww). It's a 489 case with 3.55 gears....... but it is a non-posi unit. My question is, what are the bennifits (thats not spelled right) of adding the posi to my differential? :blob: