Hey guys I was just wondering how much fuel mileage increase would I get if I went from a 4.11 gear to a 3.73 ratio? Would it be worth the Doe or no?? Cuz on the ole hwy I only get 22 at 70 mph at about 2150 rpms but off it I get about 25 thanks guys

 

you could gain a little. but not enough where your going to be saving your a lot on fuel. it also depends on your trans gear ratios as well as your axle.

what kind of increase are you aiming for?

 

Around 25 on the hwy

 

Damn better mileage than I'm getting at only 18 at 70. I would be thrilled to see 20 at that speed with my 4.11s. What's your secret man? Maybe the EJWA??? What trans???

 

47re it's 22 to must be since its getting warmer out

---AutoMerged DoublePost---

And that's baby it haha

 

Is your rig SWR or Dually? 2wd or 4wd? Actually 22 mpg is pretty decent IMO. What mods do ya have? Fill out your signature with truck info and mods, if any.
That will help other readers with advice for you. I get 23mpg in my rig (see my signature for modest mods) on the hwy. Thats at 65 mph. I dont usually drive any faster than that. I have 3.73 gears. My lie-o-meter overhead indicates 26mpg, but corrected mpg calculation with my "Garmin" indicates a very consistent 23mpg. My truck is 2wd, so that probably helps. Im happy with that

 

I do have it in my signature it don't always show up tho my overhead is pretty accurate it's maybe 1 mile at the most I've did the math and was surprised that it was that close it has mbrp cool duals volant cai edge JWA 4.11 gears

 

I would say, count your blessings with that mileage the gear you are running and an auto.

 

Your fuel mileage is pretty damned good for what ya got. Like Dock says, count your blessings. Most with 4.10s dont get near those numbers.

 

I baby the heck outta her to get that mpg the reason why I was asking is cuz I drive about 110 miles a day