Is the Gladiator at risk for cancellation?

[ecidiego]

I don’t have a heavy foot and on my new mojave city I am getting 14. Now only 500 miles on it so could get better but I am getting to the point where if being lite on the pedal won't get me much better why bother?

Same. Mojave on stock tires and suspension. 14.5ish city mid 17s hwy.

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[Deleted member 57233]

Totally depends on how you drive and define "city mpg". You have a torque converter. An automatic won't see a lot of difference either way.
In the 70s, cars went to 2.73 gearing for better mpg averages.

Honda motorcycles were notorious for using tall gears in the 70s and 80s to increase the mpg numbers. First thing everyone did was change the gearing so you could actually use 6th or go up a hill.

 

[Stan H]

The Rubicons and Mojaves and I think Sport Max tow come with 4.10's I have 35x12.50x17 mud comps in mine and I see 8th alot. I have always found my Jeep to be powered well. I can totally hang with a f-150 running hard on windy hilly backroads. And I sure as Heck can out climb one any day of the week. I don't recall your gear set . But 4.10's will give you a bunch and 4.63's would handle up to 37's. And you would see 8th alot

 

[JamesWyatt]

I saw an improvement in overall ease of shifting and hill climbing at altitude going to 35” KO2s and using the Tazer Mini to dial in the tire size until the GPS speed matched the speedometer (versus completely stock with 33s and the same 4:10s). I don’t know if the stock setup matched GPS or not, but it’s as if everything was set up wrong as it was stock: trans mapping, tire size, and gear combo. Something about the new setup just puts the truck into a Goldilocks zone versus stock. Same can be said for a JL with 2.0L, 35s, and 4:56 (stock XR).

 

[Rusty PW]

Honda motorcycles were notorious for using tall gears in the 70s and 80s to increase the mpg numbers. First thing everyone did was change the gearing so you could actually use 6th or go up a hill.

One tooth smaller in the front, and 3 teeth larger in the rear.

 

[JamesWyatt]

I was actually suggesting to check your speedometer to make sure it's aligned with the speed as indicated by a GPS speed app on your phone. If not, you can use a Tazer or other means to adjust the tire size until the speeds do align. Most manufacturers set their speedometers a few MPH slow, and correcting that could possibly improve things for you.

 

[JamesWyatt]

The setting from the factory is what Jeep considers correct even if it's not. Almost all manufacturers set the speed at least 2mph slow. Your Jeep service department is not going to adjust your computer to make the speedometer match GPS.

I'm suggesting you do it yourself. And even if the speedometer is currently accurate to GPS, you can still change the tire size up or down one size and see if the transmissions shift points change for the better. That sweet spot could take a few tries to find it.

 

[Stan H]

I respectfully disagree, as it would not only give you a better off road capability , but the gearing would be most beneficial to you.

 

[ShadowsPapa]

The setting from the factory is what Jeep considers correct even if it's not. Almost all manufacturers set the speed at least 2mph slow. Your Jeep service department is not going to adjust your computer to make the speedometer match GPS.

I'm suggesting you do it yourself. And even if the speedometer is currently accurate to GPS, you can still change the tire size up or down one size and see if the transmissions shift points change for the better. That sweet spot could take a few tries to find it.

Gee, mine have always been pretty much spot-on from the factory. Every one of them, all of our Grand Cherokees, my Gladiators, my Chevy.......... my Ford.
I've used GPS in them over the years and the GPS was right with the speedometer in each.
I have yet to have a vehicle where the factory setting didn't match my Garmin. (yeah, I still use my phone or that old Garmin now and then because sometimes the Jeep NAV isn't correct in where to go)
I watch stuff like that- it's how I'm wired- attention to detail to extremes and unable to prevent input even input I really don't want.

Why would they set it low - that would give you miles on your warranty. Seems counter productive. If the speedometer is slow - then the odometer will be counting fewer miles. Also - mile-marker checks are a tell.
One thing I've found on both of my JT Overland is that the big fat digital numbers in the middle are 100% correct (even when new) but the analog needle tends to read 1 to 2 mph faster, depending on how fast you are going. Weird - digital says I'm right at 60 and yet the dial my wife sees says 61-62.

 

[IPRoutes]

Gee, mine have always been pretty much spot-on from the factory. Every one of them, all of our Grand Cherokees, my Gladiators, my Chevy.......... my Ford.
I've used GPS in them over the years and the GPS was right with the speedometer in each.
I have yet to have a vehicle where the factory setting didn't match my Garmin. (yeah, I still use my phone or that old Garmin now and then because sometimes the Jeep NAV isn't correct in where to go)
I watch stuff like that- it's how I'm wired- attention to detail to extremes and unable to prevent input even input I really don't want.

Why would they set it low - that would give you miles on your warranty. Seems counter productive. If the speedometer is slow - then the odometer will be counting fewer miles. Also - mile-marker checks are a tell.
One thing I've found on both of my JT Overland is that the big fat digital numbers in the middle are 100% correct (even when new) but the analog needle tends to read 1 to 2 mph faster, depending on how fast you are going. Weird - digital says I'm right at 60 and yet the dial my wife sees says 61-62.

I use a dash cam app on my iPhone called Driver. It uses GPS to display speed and the speedometer on my stock JT exactly matches the GPS speed on the dash cam app too.

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