long story short i blew my standard gear box, but the way it happened seems odd... first i went for a hub dyno tune in rear wheel drive, so i pull the transfer case shaft out, when on the dyno the lsd was fighting each other so much so that the car wouldn’t rev smoothly and reading allot less power than it should. i know this because out of the three pulls on the dyno one of them was smooth, first pull the diff was fighting itself and read 300kw, second pull the diff worked and read 500kw, third pull 300kw again... he checked the reading of each hub and the two sides were reading very different power figures?? the car always drove fine?? the tuner said the diff is no good, “this normaly happens when a diff is wearing out” one wheel gets more power than the other here are the reasons i don’t believe this too be true.... the diff had new gears and checked recently, the diff guy even said “i tightened it up abit” in other words it should be more “limo” than standard now, is there a way the active lsd works on the dyno? i rang one diff place and he said by you taking out the front shaft your confusing the active lsd pump "it sounds like an active lsd pressure problem, probably caused buy you removing the shaft" the guy that did the diff is pretty good at what he does, i don't think he got it wrong now i'm driving home in rear wheel drive (shaft still out) on low boost and i can feel the reving out pretty slow (it never did this in four wheel drive) so now the diff is fighting itself on the street too (for the first time) i give it a hit in second and the gear box breaks ( mind you the box held 1000hp before that) yet it breaks in rear wheel drive at 65% of that power what you think?