13.3's to 11.8's to Forget it...

Do you plan on making this car drag only?
What if he went conservative on converter/cam and had two sets of gears?

smaller cam, tighter converter using 4.56 gears. would still work with 3.23's (or is there no benefit to using a taller gear with a smaller cam/tighter converter.

vs large cam, loose converter, doesn't work well with 3.23's compromising both sides with 3.91's