hello, I have a 2004 m11 ba typhoon and have had a few problems with the aluminum diff cover it has been reinforced from mal wood but have had the bolt shere off and the housing smashed, got it welded up and re-tapped and heli-coiled back up, and then when racing snapped second gear and smashed the cover again. have replaced the cover with a new one and has been reiforced again, is there anything more that I can do to the cover or any orther part of the car to reasure that this will not accure during racing, burnouts ect..? cheers guys