318 questions...
I am suprised your 7 1/4 is holding up.... Hey if you want for now, 'til you get the 9", I have a 3.55 gear set for the 7 1/4 for you car. Slap them in and see if 3.55 gears are the way to go. If so, then you know what gears to put in that future 9".....