are the axles and axle tubed interchangable between 8" and 8.8". I have an 8.8 with 4.10 and a locker that is out of a ranger, but the pinion is offset more on the rander than the mustang, and i think it might pose a problem. if i can swap out the tube and axles i will do that rather than buying a new third member for my 8" which will cost $600...also how are the tubes removed...