driver side cv shafts keep breaking after installing new motor and etd front traction

I have broken 3 drivers side cv chafts . So I am going to start from the beginning. I blew my b18a that was origanlly in my car and decided to swap in a jdm b18b using my ys1 tranny that was already had in the car. Maybe a couple thousand miles before b18a blew I replaced the cv shafts with no problem and now I have no ideal whats going on. With the tranny out i replaced the clutch alon with a new lighter flywheel, installing and torqueing everything to specifications. And as stated earlier I also installed the new etd front traction bar. With the engine out I also replace the rack in pinion and looped so that I could do away with all of the power steering components. So my question is what could be the possible problem that is causing the cv shafts to break?