how much difference between 3.91 and 4.10

MSHRED,YOU SHOULD START LOOKING FOR A SPARE CENTER-SECTION TO PUT YOUR 3.23 ON.THAT WAY IF YOU ARE DRIVING LONG DISTANCE LIKE LETs say Moparfest.you can swap out 4.10,PUT CENTERSECTION WITH 3.23 IN AND ON YOUR WAY.THE JOB TAKES ABOUT 45 MINS. AND YOU,LL ALSO BE CHECKING PARTS SUCH AS BRAKES, BEARINGS,SEALS ETC..THIS IS WHAT I,VE DONE.JUST MY 2 CENTS..