I have 37ās but Iād seriously consider going to Nitto 38x17s which are a new tire size. I went from the stock 33ās to 37x20s. My Rubicon had good clearance with 37s no rubbing without a lift & looked nice. My MPGs went down to 13 MPG. It would just rev & get stuck in gear when passing or starting off the line etc. it had no pep wouldnāt shift correctly. I decided to regear from 4.10s to 5.13s, which was the best decision I made. I get better MPGās with 37s than stock I get around 16-16.5 MPGs around town at Altitude. I ended up lifting it anyway with a JKS J-Venture 3-3.5ā Lift at the same time which improved the steering immensely, way better than stock. The ride is just as good or slightly better than stock even with Nitto M/T tires. I donāt hear them much at all. These Nitto TGās are known for their good ride quality in an M/T tire. The wind doesnāt bother my Gladiator anymore or passing semi trucks. It looks good, I had someone wait for me at my vehicle to ask me about my lift for his gladiator recently. Hope this helps!
OMG. my Diesel Gladiator dives like a dream on 37's. get the falcon 2 steering stabilizer. Because of the Diesel, factory 3.73 works. the factory axles on the max tow and Rubicon are made to handle the big tires. you need to upgrade the steering components. I use Smart Steer and a steering box stabilizer. handles in the rough stuff like a Cadillac. if you are planning rock crawling, upgraded axels are recomended.
Are the axles different on the Willys Sport or Willys compared to the Rubi?OMG. my Diesel Gladiator dives like a dream on 37's. get the falcon 2 steering stabilizer. Because of the Diesel, factory 3.73 works. the factory axles on the max tow and Rubicon are made to handle the big tires. you need to upgrade the steering components. I use Smart Steer and a steering box stabilizer. handles in the rough stuff like a Cadillac. if you are planning rock crawling, upgraded axels are recomended.
This is actually great information. Thank you for sharing. Been really debating 4.88s and 5.13s. You said 20 mpg at 55mph which is incredible. I get about 16-16.5mpg at that speed with 4.10s. What do you get for mpg on the highway?i was running the stock sport gears 3.73. The great, the vehicle pretty much jumps to 4th gear in the first 200 feet, it feels weightless, and accelerates like it has a turbo in it (2021 Willys), and gets about 20 miles a gallon (at 55mph) with a full teraflex 3.5 inch lift that has all 8 adjustable control arms, track bars, and falcon 3.3 shocks,. Additionally, I have a rebel summit front bumper with 10k winch, and trail rax rack on the back= a lot more weight than factory. The downside, expect low gear noise, not annoying or noticeable but you hear it a little with your windows down. Youll also have lower mpg on highway.
downside is highway driving, pushes me down to 15-16 mpg, sometimes 17 mpg. The gears allow it to climb like its driving on flat ground with no lag and or dropping out of 7th 8th gear, its great. I drive pretty aggressively, and its super responsive. Still don't regret it at all. On top of that off-roading is like cheating now. The gear just climb with little skill, no dropping to low and hardly ever even need to use 4 hi. Im not rock crawling but who is with a gladiator? I built mine for overlanding and have zero doubt that it can get anywhere I need it to. I have a good amount of towing experience. The gears will help with towing, again, making it feel like nothing is behind you. Your downside on this is really just highway speeds with MPG. Also im currently on KO2 315's (35's)with plans to replace those shoes when they run out with 37's, and I have the dana 44 axles on it. Not the "max tow" but it is interesting, I measured the axles on my gladiator and they are longer than the dana 44's on my JL Rubicon.
20 years of driving fast cars confirms what you say. Bigger brakes is about fade resistance and consistency, not stopping distance... unless of course you compare a completely red hot fading rotor to a cooled off one. If an 11" cold rotor and 2 piston cold caliper can lock up a wheel, a 15" 6 piston setup will not stop the car any shorter, it will just consistently stop it at that distance when heated up while the 11" fades and stopping distances grow.
Talking about Jeeps with larger diameter heavier wheels and tires not fast cars, there is plenty of actual tests explaining the impact of larger tires and how larger brakes make a difference in stopping distance.
Other than the JK, what tests?
He posted a test about the JK, before. I believe. my JKās brakes wouldnāt totally lock up with 35ās and all the weight I added. My JTās brakes are larger, better, and easily lock up.
Physics said:
Physics said:
