What year/size 15" rims do you have? Advance-Design 3100 15" rims/tires were wider rolling diameter than the 16" rims/tires.
What does "reduce the stance" mean?
"Rumor has it that the vehicle perform better with Bias as strange as that may sound."
Rumors/experience will get you all sorts of answers. I have never seen a post that stated that the performance of truck radials, on original wheels, properly inflated, was anything but better than bias ply truck tires (on a 3100).
