Parkin brake cable Help> drive shaft

Hi

I need all the help i can get.. I have a new parking brake cable for my 73' 240z.. but in order to install it you have to take off the main drive shaft,,( thats what the book said) well icant get it off.. theres only 4 bolts but there facin back . you cant get a socket on it . ican get a box wenck but i i still cant turn it.. im ending up stripin it and i dont want to do that,. Does anyone have anyidea.. my Girlfreind is coming next early next month and i want to get the carr ready to drive by then...

thank your your time,

Steve :classic: