Hi there i was hoping that someone could give me some advice on this. I have got a 1994 wrx which came with a 4.111 setup, i have decided to go with a box and diff from a p1. The rear diff has LSD and just wanted to make sure i have done everything right before i get all sorts of problems. I have used the shafts, prob and rear diff mounting bolts. I did read somewhere that the mounting bolt need to be used which came with the LSD diff is this correct as they are quite abit longer. Hope someone can offer some advice on this

 

As far as I know it'll just swap straight over as long as you use the matching box and diff I've just put a 6 speed in my classic (well FB tuning did lol) and you'd be surprised at how easy it is!