I'm going to agree with this answer. If you were going from 2.73 to 4.10s I 'd say you'd see a big drop in ET. Not 3.73s to 4.10s! The drive shaft sheds a little weight but not enought to effect ET. Get them drag radials babe.
Originally Posted by ctgreddyI dont think you'll get a whoooole lot of et change. the driveshaft prolly wont be noticeable. gear change might drop you .2 or so but the biggest thing is going to be are your tires up to the task?