Gunshadow

Hey i am trying to build my 01 classic xj up to standers lol. i am just wondering if anyone can give me tips on what to do. i already have a 3 inch pro comp lift, 31 nitto AT Teraarapplers. i like the tires and lift but i am thinking about installing another lift. i was wondering how much it would cost and how hard it would be for me to install the lift kit myself. i also want to swap my front Axel. i believe it is a dana 35 I am not sure tho and i have no idea what my rear Axel is, How hard and how much would this all cost me? and one more thing my jeep is a 4.0 auto, i hae the NP242 transsmistion i was just wondering if it is good for wheeling. i hae been a few times and seems like a decent 4 wheel drive system. Thanks.