BulldoginaJeepwithaColt
Observer
Sounds like a solid choice, good luck!
Sent from my SAMSUNG-SM-G891A using Tapatalk
Sent from my SAMSUNG-SM-G891A using Tapatalk
Rubicon or Sahara
- Thread starter mobydick 11
- Start date
Bullseye240
Adventurer
Yep, everything you said about the stock Rubicon transfer case is correct but Advance Adapters fixes that with this: https://www.advanceadapters.com/categories/rubicrawler/237/
Installed one in my LJR and love it as it gives you so many options, 2WD, 2WD low, 4WD, 4WD 2.73:1 low, 4WD 4:1 low and 10.88:1 low for when you want to go nowhere fast.
This really isn't an issue on the JL's - they have 8 speeds and a manual mode so you can do 30 in 4 low if you want (but why would you?). Just ratchet it up a few gears. If I'm not on rough stuff I usually put mine in 3rd in 4 low, gives decent speed. However, if I don't need the lockers, there's no point in even putting it in 4 low. The 1st gear in the 8 speed is low enough to not even be necessary to drop to 4 low unless you're really crawling. I don't view it as a detriment at all, you've got the really low gearing if you need it and have plenty of gears if you want to go faster. There's no law (or even recommendation that I'm aware of) saying you have to stay in 1st gear in 4 low...
Buliwyf
Viking with a Hammer
Do any Jeeps other than the Ruby and Gladiator come with D44 axles? (or center sections at least)
I generally prefer the 2.73-ish low ranges. 4.0 might be a hair too low for my use. I doubt I'd ever put effort into finding one or the other though. You don't want to spend all day in 4L if the gears your selecting are available in 4H. Extra wear and tear on the xfer case.
I generally prefer the 2.73-ish low ranges. 4.0 might be a hair too low for my use. I doubt I'd ever put effort into finding one or the other though. You don't want to spend all day in 4L if the gears your selecting are available in 4H. Extra wear and tear on the xfer case.
billiebob
Well-known member
Rear axles, The D44 is optional on several packages. Front axles the D44 is only on the Rubicon.
But D30 front axles are plenty strong since 4WD only sends 50% of the torque to the front or rear axle.
The D44 rear axle is only specced for 2WD applications where 100% of the torque goes thru the rear axle.
But D30 front axles are plenty strong since 4WD only sends 50% of the torque to the front or rear axle.
The D44 rear axle is only specced for 2WD applications where 100% of the torque goes thru the rear axle.
billiebob
Well-known member
My YJ had 33s and 3.07s. I shifted into 4LO as soon as I turned onto a forestry road. Lots of guys are critical of the 3.07 ratio but on a gravel road, in 4LO I could run 60mph. It drove like an off road Mustang.
If you hate speed, the Rubi with 4.10s and the 4:1 transfer case is a good combination. But if you like fast driving, the Sport 2.72:1 transfer case is the better combination.
If you hate speed, the Rubi with 4.10s and the 4:1 transfer case is a good combination. But if you like fast driving, the Sport 2.72:1 transfer case is the better combination.
You can do the same thing in a eight speed jlu Rubicon and you still have eight lower gears when you need them.
billiebob
Well-known member
its just not the same
The JL Rubi with 8 speed, 6000rpm, 53mph in 8th.
The JL Sport, 8 speed, 6000rpm, 8th gear, 79mph.
Making the Sport case a much better choice for a back roads burner.
60mph in 4LO with the Sport is 4500rpm.
60mph in a Rubi.... is 6800rpm.... for a few minutes only.
Those speeds are with 33s and 4.10 ratios.
Last edited:
billiebob
Well-known member
but it only works with the automatic, and only the 4spd auto at that.
BulldoginaJeepwithaColt
Observer
BulldoginaJeepwithaColt
Observer
Damn. I hardly ever go over 20 mph in 4 Lo. I still use 4 Hi for forestry roads if plain ole Rwd doesn't cut the mustard.
Sent from my SAMSUNG-SM-G891A using Tapatalk
Sent from my SAMSUNG-SM-G891A using Tapatalk
This makes no sense - why on earth would you be in 4 low in those conditions? Just use 4 hi.
With the Rubi, you only need 4 low if you use the lockers, otherwise there's zero point as 1st gear in 4 hi is low enough to crawl slowly. Or you can put it in 4 low and manually select 3rd gear, which is what I do if I think I'm going to need the lockers at some point and can't be bothered to stop and shift the lever (which is what I almost always do). It makes zero sense to use 4 low in the conditions you're talking about.
billiebob
Well-known member
Obviously you use your Wrangler differently than I do and obviously you are not following the conversation.
Fact is 4LO in any gear in the Rubi is like driving a tractor. But 4LO in any other Wrangler is like, well it is like driving ANY other 4x4 built over the past 50 years. The Rubi is a one off with a very narrow, focused, specific use. My point is, if you love driving you will likely hate 4LO in the Rubi. But you'll likely LOVE 4LO in any other 4x4. The only guys who ever argue that point are the fanatics who swear the Rubi is the best 4x4 ever. Needing to justify their purchase and wanting to vault their ego into Rubi heaven.
Drive a Rubi before you buy it cuz the Rubi 4LO is incredibly limiting.... as you say you never use it. If you had a Sport you would love the performance in 4LO. YOU, should drive a Sport in 4LO.
But I agree, the ONLY time to use 4LO in a Rubi is if you want to crawl. .... Mostly because that is all it can do.
I put 25K miles a year on my Rubi. I like it because I tow a trailer almost every day.... and 4LO lets me crawl over rough terrain with a trailer full of tools.
I still love 4LO on a forestry road at 60mph in a Sport. Try it.
Fact is 4LO in any gear in the Rubi is like driving a tractor. But 4LO in any other Wrangler is like, well it is like driving ANY other 4x4 built over the past 50 years. The Rubi is a one off with a very narrow, focused, specific use. My point is, if you love driving you will likely hate 4LO in the Rubi. But you'll likely LOVE 4LO in any other 4x4. The only guys who ever argue that point are the fanatics who swear the Rubi is the best 4x4 ever. Needing to justify their purchase and wanting to vault their ego into Rubi heaven.
Drive a Rubi before you buy it cuz the Rubi 4LO is incredibly limiting.... as you say you never use it. If you had a Sport you would love the performance in 4LO. YOU, should drive a Sport in 4LO.
But I agree, the ONLY time to use 4LO in a Rubi is if you want to crawl. .... Mostly because that is all it can do.
I put 25K miles a year on my Rubi. I like it because I tow a trailer almost every day.... and 4LO lets me crawl over rough terrain with a trailer full of tools.
I still love 4LO on a forestry road at 60mph in a Sport. Try it.