Did Re-Gearing My Jeep Gladiator Affect the GAS MILEAGE?

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After installing larger tires, a lift kit and adding several heavy accessories to my Jeep Gladiator, I began to notice a reduction in performance. I elected to swap out the ring and pinon gears to see if I could get some of that performance back. In the process I wanted to do a test to see how it would affect my gas mileage. We tried to be as fare as possible in our pre and post gas mileage test, but because this is real world, there are several factors that can affect the results. #jeepgladiator #mpgtest #gasmileage
Jeep Wrangler Re-Gear Video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-dUfbXiXB4ik.html
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8 янв 2020

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Комментарии : 463

@TrailRecon 4 года назад

It wasn't mentioned in the video, but yes I did recalibrate my speedometer to compensate for both the tire size and gear ratio. As for why I chose 5:13's, I think 4.88 is a good ratio to go with for a 38" tire, but because I carry extra gear and plan on doing some off-road towing I wanted to go slightly deeper, and that's why I chose 5:13'. Sorry for not explaining that in the video.

@robertkeck2905 4 года назад

TrailRecon I am concerned if the slight increased rpm (4:88) will move it up the horsepower curve enough to still pull 8th gear at interstate speed (75 mph). I realize I am on the verge of asking to much. You did confirm you see 8th a lot more with gear swap.

@michaelnewman89 4 года назад

What’s your rpm at 70mph in 8th gear ?

@PhilGBeebe 4 года назад

Thanks for answering my question before I could ask it.

@brianmillican4985 4 года назад

What did you use to recalibrate your speedo?

@JeepGladiatorestAprilJTR 4 года назад

I’m currently running 37 Pats, would you recommend 5:13s if I plan on building my rig similarly to yours as far as weight is concerned? Thanks Master Chief!🤙🏽

@MarcoPollo77 4 года назад

This is an excellent format. The tech talk, the motor noise, cruising backroads, scenic stops. More like this please?

@TrailRecon 4 года назад

Thank you, glad you enjoyed it!

@marnielarocque9412 4 года назад

Wow, gentlemen, I am so impressed that i subscribed, I`m an old disabled mechanics and over the years explained or at least tried with some guys to explain what happens with bigger tires and gearing, and then of course, braking and shocks, so many other sites just add tires and never explain the changes in bottom end performance versus top end and real-life changes. Well done!

@expert244 4 года назад

The MPG gain wasn’t super impressive, however the increase in MPG PLUS the extra low end power is a win IMO.

@rareearthfab5511 4 года назад

Great Job Brad! I do a lot of gears for people and explaining what you have found in this video people don’t believe me. Not only do you pick up a little mileage but it’s so much more fun to drive a properly geared 4x4 on or off road.

@TrailRecon 4 года назад

Thank you! Great to hear you are seeing similar result!

@MattsCollection 4 года назад

The added weight of the breakfast burritos has made this test invalid! :D

@TrailRecon 4 года назад

LOL!

@ensignwiggles87 4 года назад

Great video Brad! Very informative and even entertaining for what can be a dry subject. Your co-host did a great job too, I hope you do more videos with him in the future!

@TrailRecon 4 года назад

Thank you! Ryan is a great guy and here is a video discussion we did when we were on the trail in Alaska you might enjoy: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-5te-TkRaCXI.html

@robpedrow9293 4 года назад

Great video with some good conversation about all the things that can go into ruining or increasing your gas mileage. I think people don't realize how big a difference regearing can make when you jump more than a couple inches in tire size from factory. One of the first things I do to my vehicles now that get more than a small bump in tire height.

@BenandBrandi 4 года назад

Nice job Brad! love the wrap on your Glad! hope you leave it on..

@ati573 4 года назад

This video was perfect, ty. Just the I do I was looking for. Keep up the great vlogs

@xtransam9970 3 года назад

Great job well done, the smile, and test driving after completing the project, priceless

@thedeserttrek23 4 года назад

That was an awesome and interesting video!! So cool to hear all the technical details about what y'all did. Not many people understand how it works. Keep those coming!! Thanks Brad!!

@TrailRecon 4 года назад

Thank you!

@paulcook773 4 года назад

Great video Brad. That took a lot of work! Thanks for continuing to add the best Jeep content our there!

@TrailRecon 4 года назад

Thank you! We had fun filming it!

@built4xploration253 4 года назад

Was cool seeing my old stomping grounds. The tower ( really the caves) holds a special memory for my wife and I. Oh, and holy crap, I cant believe 87 is $4.03!!!! I am reminded of one of the reasons I fled CA.

@xTinBenderX 4 года назад

Had a 26' Penske loaded and towing my CJ7 on a trailer. The truck's rear tire developed a bad vibration over 50 so I had to drive from LA to OKC doing 50. I got 8 mpg before the vibration and 16 mpg after. Lesson learned about pushing air.

@Down2Mob 4 года назад

awesome video brad!!

@nachovalenti 4 года назад

Very informative video Brad. Thanks for sharing.

@bertvanderzon1048 2 года назад

Great to see some home turf every now and then! I never knew about the truck museum, but now I’ll have to check that out.

@sandralutz-rodriguez2864 4 года назад

Hi Brad and Ryan! What a cool comparison!

@lloydrage 4 года назад

Thank you! I’ve been wanting to see a video about this

@ronkreed 4 года назад

Didn't realize you were in S.D. county. I recognize all the areas on your drive. Grew up in El Cajon. All my family is still there. Left CA about 30 years ago for a National Park Service career. Been in Moab that past 20 years. Love your videos.

@mssammielowe 4 года назад

Outstanding content Brad! I think the more you skinny down the items sticking out the sides and top will help.. I seldom get my JT in 8th gear, and I’m on stock 4.10 and stock 33’s I get about 18 mpg around town and close to 21 freeway.. I’m from California and still travel there quite a bit.. I freak out over the price of gas, and many other “California” issues.. $2.66 in Colorado for 87.. We have been as low as $1.89 for 85.. Again, probably one of your most informative vids..

@shadteague4262 4 года назад

I’d be celebrating 1 MPG at those prices! Crazy!!

@kjpellas6606 4 года назад

I absolutely love this channel , I cannot wait to get myself back into a jeep, I made the mistake of selling my xj, oh boy never again will I ever do that...

@ninjagaming2036 4 года назад

Absolutely love your content brother. I am currently overseas saving up for a wrangler jk and your videos provide great insight to the off roading world. You for sure earned another sub and I cannot wait to go back home and hit the mountains with some friends and family! Also, it is killing me to try some of Marcos food, that man is a champ!

@TrailRecon 4 года назад

Thank you!

@vitale6633 4 года назад

Nicely done Brad. Liked the side excursions - Now I need to check out the Desert Tower, Epic Breakfast Burritos and the Campo Motor Transport Museum :)

@toboles 4 года назад

I was watching this video and noticed you came through Campo. I’m a Navy CEC Officer and oversee the facilities and utilities for the two camps out there. Was cool to see the route. Wasn’t expecting that. Very informative video btw.

@TrailRecon 4 года назад

Thank you for your service! #gonavy

@tvz111284 4 года назад

Thanks Brad!! I'm planning on a regear and this helps alot

@michaelhalstead64 4 года назад

Hey brad. Having had both 4.88 and 5.13 gears, which would you recommend for a daily driver? Is there that much of a difference? How do they compare on the interstate?

@mik3ramo5 4 года назад

Once again another great video. I'd love to see how much more improvement you'll get once you address some of the areo or weight. Keep it up Brad!!

@TrailRecon 4 года назад

Might be an excuse for another road trip and burrito!

@VJStroud 4 года назад

So much knowledge, keep it up with the great content.

@TrailRecon 4 года назад

Thank you!

@jrjon738 4 года назад

I love the tech talks!

@miwuksniper 4 года назад

I just put gears in my Jeep by fearless gears in Fresno Ca!! I’m running 33’s but going to run 35’s. Just deleted the front fenders and put on a few things. Next is a winch and a rear part time locker. I believe I’ll have my Jeep tj 4.0 ready!!! I’m pumped

@stevenjaclynsleight983 4 года назад

Excellent content as always! Now that you’ve “slimmed down” your gladiator profile with the new rack and hard shelled rtt, have you seen an even bigger increase in fuel economy?

@PaulCatalani 4 года назад

Brad, great video. Did you update the Gladiator's computer with the new tire size and gear ratio?

@TheBeddoeFamily 4 года назад

I’ll take a real-world test over a closed course any day. But I’m dying to see more trail videos. That’s what I signed up for in the first place. ;). Show us more of that Gladiator in the snow.

@balmasi1 4 года назад

What was the rough cost on the parts and installation? Curious from a payback point of view on the fuel savings.

@wildthingsgarage 4 года назад

Excellent little test! It's nice to see real world tests for stuff like gear upgrades. I'm curious, do you have stock, or aftermarket lockers? How much would lockers affect gas mileage? Thanks for the great content!

@carlosbido4611 Год назад

Great video, thank you so much!

@steveflaim2656 4 года назад

Very interesting - thanks Brad!

@mjongsma64 4 года назад

Hi Brad, Thanks for this video! Great information. I have a 2017 jkur with 2.5” lift and 35’s running 373’s. I love this video and decided to look into a gear swap to 456 or 488. I live in CO and prices are all over the map, as low as 1250 up to over 3000. Are there any questions I should be asking? I think I you said a gear swap should be around 1200-1500. Thanks for your time! Love the channel

@frankly.everything 4 года назад

This is why I love this channel. That little extra that you give to add some real-world examples/results of the modifications. Lab specs are great for comparing products but being able to see what the product will do for you on your rig is something that is hugely missed by many. Nicely done and thank you!

@dwightmurrah6591 4 года назад

Thank you for the great videos! I am curious about your and his opinion on the best gear ratio on a JKU with 3.6 motor and automatic riding on 35's with a 3-inch lift? We do go offroad.

@Dr_Flankensteinn 4 года назад

Love your videos! Quick question the computer is notoriously off by -2mpg from what I have seen and done the math to check multiple times, do you check manually by how many miles you driven + how many gallons you used?

@roncameron9541 4 года назад

What a shock to me that you improved your gas mileage! Back in 1969 I had a Z28 Camaro and put 538's in it. Gas mileage went way south! Made the mistake of driving it from Okla to Indianapolis once. Gas was like 32 cents but I was only making 2 bucks an hour. It got to 60 really quickly though! :)) I know the situations are different and tech is different, etc etc, but I was still surprised at your gas mileage improvement.

@AshesC2 4 года назад

Great info! Nice video as always and #TYFYS too!

@tylerm97 4 года назад

Great test! I do have a question that you or someone here might be able to help me with. I have a 2016 Sahara JKU 3.5” lift front w/winch and rear bumpers currently on 35’s but looking to do 37’s or 38’s. As you know the thing is heavy. So looking to install some lockers and re-gear at the same time this year, but not entirely sure what ratio would be best. I hear so much back and forth on this. I trust your opinion because it seems you really do your homework before making a decision. I do remember you did a video on your JK a while back, but can’t seem to find the video. Thanks

@WTFSoCal 4 года назад

this is exactly opposite of what most people tell you, great to hear man ! 488"s here I come ! (on my JLUR on 37s) thanks Brad, great video man !

@terrywaters6186 4 года назад

The 8 speed changes everything.

@GSXRKLLR 4 года назад

I'm thinking about going 5.13's on my JLUR also on 37's. I would love the low end punch, going from 4.10 to 4.88 just doesn't seem like it would be worth it.

@WTFSoCal 4 года назад

@@GSXRKLLR in 4 low it would be way to low for me with out a throttle comp....

@jacman619 4 года назад

Nice video and discussion Brad and Ryan. Thanks for sharing once again. I’ll have to check out Ryan’s shop the next time I need some upgrades done. BTW... I fill up at that same gas station and yes, fuel prices in Ca are terrible. 😒

@drtstar1 4 года назад

Jac Man the 4wpengineering technology center is like the bat cave. Not very many people know where it is. Lol but, we do have 96 retail stores all over North America that can help you.

@ralfhiller9043 4 года назад

Still half of what you pay in Europe

@jacman619 4 года назад

drtstar1 - Thanks for the reply. I can be a bit slow sometimes but I finally figured out which 96 stores you’re referring to. Lol In fact, I’ve done plenty of business with the El Cajon store and almost as much with the Chula Vista store. Not to forget the annual visits to the Off Road Expo in Pomona. Always upgrading and now Brad has me thinking about getting a Gladiator! 🤔

@johndiaz7240 4 года назад

Good info thanks , killer old Chevy.

@TrailRecon 4 года назад

It's an awesome K5!

@billp5424 4 года назад

There used to be a cooking on your engine cook book called Manifold Destiny.

@corksauve4949 4 года назад

I've been to that tower! On our way to San Diego from Tucson. Even did some rockhounding in the area. That area made my wife a little uneasy, so of course I want to stop there every time we go by it. lol

@pbodymathis 4 года назад

Those size burritos are two meals for me! Great Video!

@4bnewb969 4 года назад

Hi brad Thanks for posting this; an interesting topic and nice adjunct to most off-road videos. Whilst your discussion centered around Wrangler and Gladiator, re-gearing and its results would equally applicable to other 4wd’s. I am chuckling at all the comments being posted about fuel prices you are paying. Here in Australia, A$1.50 per liter is an average. By my rough calcs that is around US$4.09 a US gallon, so feeling your ‘pain’. .....Cheers from Downunder

@TrailRecon 4 года назад

Thank you! My Wrangler saw a slight drop in fuel economy when I re-geared it, but an improvement in drivability, but it only has a 5 speed transmission. Different results for different model vehicles.

@cefgil3905 2 года назад

Great video!

@Eldannysvideos 4 года назад

I will be re gearing my Jeep pretty soon,, I would like an advice and I know you mentioned on your other jk you would be much happier with 5:13s on 37. Now with this 5:13 on the gladiator and being on 38s . What gears would you recommend and what lockers you prefer ?

@renaissancepoet 4 года назад

Those old trucks at the Motor Transport Museum look wicked cool!

@TrailRecon 4 года назад

It was a great stop, I think I'll be going back!

@scottsnyder8691 3 года назад

That burrito place is awesome and I stop there every time I’m in the area. In fact I just had the chorizo burrito yesterday!

@BillyTpower 4 года назад

Hey Brad great video, just wondering how long do you realistically think it will take the money saved by the improved mpg to pay for the parts and labor to re-gear? It's always those kinds of things that help me make decisions. Help out a new jeeper and member of the TR team by answering

@johnnyverano1373 2 года назад

BRAD!!! You never been to the desert tower before? 😮 I moved to Texas and haven’t seen that area in over 30 years. Brought back good memories. ❤️

@mariodesmo 4 года назад

I'd be willing to bet that the lights and the roof top tent are each worth another 1 to 1 1/2 MPG . Bringing you up to that elusive 20 MPG!

@bigb8695 4 года назад

What brand gears have you been using in both your JK and JT?

@gilbertarnold8666 4 года назад

Great video thank you!

@wildhawk7518 4 года назад

Thanks so much👍

@OverlandTravelAdventures 4 года назад

Brad, based on where you are now with the build, should you have bought a Sport S?

@MikeCurtis7663 4 года назад

I noticed the 8th gear issue with my JLU Sport S when I put 35s on it. I don’t believe my stock diff can do the 4.88s that I really need. So, now I need to be thinking about replacement axle! Ah, the Jeep life!

@dos0711 Месяц назад

@TrailRecon are you running the stock diff covers? if not, which ones did you go with?

@nitroxide17 3 года назад

I notice the start stop when the power steering shuts off. By the way, do you have to program the computer with the new gear ratio?

@troymartin5941 4 года назад

Looking forward to seeing how the Diesel version of the Gladiator does in a similar test

@chrisb8192 4 года назад

Thanks Brad - I’ve been waiting on a video about re-gearing the Gladiator! How many hours labor did that take? I imagine it’s expensive. Also does it void the manufacturer warranty on the drivetrain?

@photoapeal 3 года назад

I was told that it does not void the manufactures warranty when doing a lift & regear. There was some sort of landmark case that made it possible to retain the manufactures warranty & they can't drop you for it. I could have been lied by my Jeep shop you never know but this was what I was told. From an internet search: Regearing does not void your warranty, BUT don't expect a Jeep dealer to fix any issues with gears that failed. The replacement parts would be your responsibility to get from aftermarket manufacturer.

@dirtrocker8 4 года назад

Nice video. I was surprised to see my home town. I live 1 mile from that truck museum in campo

@tjshine8022 4 года назад

Wow, I called it at 17.2mpg! On my 96 Chevy, 350 AT, 35" BFG's and 6" lift I went 3.73 to 4.56 gears and went from 17mpg to 18mpg on the highway. But City went from 13 to 15 because the lower gears made it easier on the engine to get to speed. Gears will help your engine and mileage, it may just take a few years of driving to make up the $2,000 price of them. Great study!

@gregchiropolos9885 4 года назад

Wow that’s pretty good gas mileage for your truck. I only get 10.5 mpg in my CJ5 with an AMC 401 V8 with 33s. But she sure is fun to drive around and sounds awesome 😎

@GoldenK9Campers 8 дней назад

Cool video. Better acceleration and better gas mileage. Win/Win.. You had to reprogram everything for the gears and the tires? Also, there was a difference between the computer and the real gas used on the 1st test, what about the 2nd test?

@jakobwest4811 4 года назад

So this was already with the 38s? Makes sense that the MPG got better. Engine was very bogged down at higher gears and stayed at way lower gears.

@miwuksniper 4 года назад

You guys inspired me to do this work btw!! It was stock for a long time!! I put money into my diesel and house! Side note (The wife loves it) haha

@St.PierreProductions 2 года назад

Loving the seat color

@crjmoto 4 года назад

Cool comparo. I swear I can see the needle dropping on my FJ (16-19 mpg, live in not-flat CO)

@dc5631 4 года назад

What tuner did you use to adjust gear ratio

@scothansen13 4 года назад

I hear the temperature of the gas dispensed can give you varying volume ?

@arizonawvkid Год назад

How did you get the gear to show in the display ?

@Jonathan-qb9qy 4 года назад

I've always seen that tower and UFO's going to and from the desert, but never stopped and checked it out. Pretty cool to hear the story of the tower.

@TrailRecon 4 года назад

This was my first time and I've also driven past it 100 times... glad we stopped.

@jesselaporte7184 2 года назад

Hey Brad. Two days ago I picked up my 21 Gladiator Rubicon with the diesel. I want to go to 37s with a lift mainly for aesthetic reasons. This is my daily that I drive about 150kms/90 miles a day. Other than that, I might do some overlanding but no plans for anything more. With your experience, do you think I need to be re gearing? Value your opinion.

@kenmarapese9085 4 года назад

Very interesting, more vids like this please! And lower that tent!

@projectsandadventures 4 года назад

Did you get Revolution Gears for the Gladiator? If so, why that brand?

@tomk5047 4 года назад

Amazing how some people will argue about gear changes, once you understand the concept you'll never look back.

@prescottlederer3761 4 года назад

Thanks for another great video Brad! You were going to discuss why you choose the 5.13 over the 4.88 or 5.38 gear ratio? Short answer?

@robertkeck2905 4 года назад

Prescott Lederer also want to know as 4:88 puts it closer the factory ratio.

@TrailRecon 4 года назад

I think 4.88 is a good ratio to go with for 38's, but because I carry a lot of gear and I will be doing some off-road towing I wanted to with a slightly deeper gear, so that's why I chose 5:13's. Sorry for not explaining that in the video.

@tylerherriage6003 2 года назад

Did you stick with the 5.13’s on the gladiator? And if you could do it again what would you go with 5.13 or 4.88? I’m getting my gladiator regeared next week would love some feed back. Thanks

@markarnaldo2741 Месяц назад

Which spot would you choose to get you Jeep re-geared? This place or Rebel Off Road? I’ve watch both of your videos and I’m planning on getting this done to my JL.

@Haro75410 4 месяца назад

In another video you said that you went to 4:88. Was that before or after the 5:13. Which did you feel was best for you with 37.

@raymondsantos4516 4 года назад

What size tire do you run?

@bradroberts6447 3 года назад

Does the Gladiator not have the hook for the gas cap line to hang from? It keeps the cap from banging against the vehicle.

@bobvedder2451 2 года назад

How do you put the gear indicator on display?

@skywalker9265 4 года назад

Question, realistic cost to have someone do this? I'm running 38"s on the Mopar lift. Drives great on the highway but my MPG dropped from 15.5 to 13.5 approx.

@searay6576 4 года назад

I have a sport with stock gearing 2018 JLU 3:45 I believe with the trailer tow package. I run 36" BFG's that are super wide. Would you recommend I go to a 4:11 or more? I never see 7th or 8th gear. Please let me know what gearing you suggest I tow a 2500 pound trailer with MX bikes in it. when towing I am never getting out of fourth gear.

@bah5310 4 года назад

This may have been asked already but if you put 5.13s on a stock gladiator would it improve the mileage?

@jaytownjunkyardfiles1999 4 года назад

Crazy how my 06 Toyota 'V8' Sequoia gets better MPG than your original gears. Now you're getting about what I get now in 20°F weather. I like both vehicles though.

@AmericanPiddler 3 года назад

Why am I stuck at 13.5 on 35's ? 2021 Gladiator Overland 2" mopar lift?

@thoughtloop1737 4 года назад

So higher final gear ratio = lower gear on the highway?

@overlandingfamily 3 года назад

So was the dummy gage wrong on the mpg? I did 37s on 3" pro x lift/ 513 gears and get like 11mpg according to the screen. Something seems off if your getting that good on 38s??