7 1/4 suregrip rear end

75 dart swinger doing a full restoration - 225 slant 6 which will be properly rebuilt - nothing radically crazy - have the auto a904 - the 7 1/4 diff - is it worth the effort to have or get put in a sure grip assembly if they are available - the 8 1/4 set up is a different idea that i am beginning to look at - just looking at options - no spinning tires or racing with this car - i would just enjoy driving the dart into retirement - thanks all - Roberto