Hey Hotrod was reading you build sheet and am jealous.Wanna trade your 373 diffs for my 273s,you will get better mileage?? But you wouldent be able to pull a sick ***** off a piss pot..
Ohhhh helllllllll NO.



Nice try homie, but no thanks. I wanted 3.73's real bad, and when I seen this truck had 3.73's on the RPO sticker when I went to look at it, I think I may have came just a little.
My other truck, the 85K10 has wussy wagon 3.08's in both axles. I have a 4.10 and a 4.56 14b FF rear axles, so which every front 8 lug I find first, either 4.10 or 4.56 that's what that truck will get.
I'm not so sure I buy that mpg with taller gear BS anyway. There comes a point when your rpm is to low and you are below your economy or power band and hurts worse than it helps. Also, the taller gear strains a bit even the rpm is lower. My dads truck has 3.23 gears in it. He gets the same mpg as he did with 4.10's in it, but lost pep off the line. He also gets the same mpg using 4th gear on the hwy at 70, as he does using 5th OD on the hwy at 70.