GoHack
Well-Known Member
I agree, a 3.73 would of be absolutely perfect, w/a Limited-Slip of course. Even a 3.55, which I believe my 2006 TJU had, would of been better than the stock 3.45 on the JL.I do wish there was a 3.73 final drive option for the sport though. I would have ventured into 35” tire territory if I had 3.73s in the axle. 4.10s would be even better, but I don’t need the extras of the Rubicon, since my trail rig is the TJ Rubicon (and the JL in sport trim saves a few $$).
From my experience, the 4.10's are too low, unless you want to add oversized tires and wheels, which I don't. Plus the Rubicon is an over kill for most people, and is really for the rock crawler, which is what it is setup for.
The Lockers on the Rubicon can only be engaged in 4LO, off-road only, and even then, w/a 4:1 transfer case no less, where you're barely even moving, which is for pure torque only.
For general off-roading, the Sport/ Sport S/ Sahara/ and Moab models are more than sufficient for most people out there, especially if you also commute, and/or is your daily driver. The only differences between the models is in their external cosmetic and comfort options.
As for speeds, w/the stock 245/75/17 tires on my JLU Sport, w/its 3.45's, I generally drive in 4th, where my rpm's at 70 mph are around 2500, unless I'm on a flat interstate highway where I may go into 5th at around 2000 RPM at 70.
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