Hind-sight is 20/20... but explaining a project to the lady who will ultimately be giving you permission to undertake it is not the time to be excessively wordy. Try a minimalistic approach so that the process sounds quick, cheap, and easy:

her-> "What all does a SAS involve anyway?"

you-> "Oh, you just cut off the IFS and weld in some metal to attach springs to. Then you simply put the springs and axle in place and set-up the steering." (words like 'just, some, and simply' are key to use)

her-> "When you explain it like that, I can't say no. Take me you fabrication genius, take me now!"

As always, your results may vary <img src="/forums/images/graemlins/notooth.gif" alt="" />