3.89 or 4.11 gears?

[abadsvt]

Hi guys, I'm looking at a strange 31 spline tru track 3rd member and wondering which gears would be best for me. I'm running 26.7" rear tires and plan on using a t56 6 speed trans . I have read that strange is the best 3rd members to go with. Plan on street driving with a little autocross. Thx