traction

I had BFG K02 31x10.5/15s installed a couple of weeks ago. They put 35psi in them at the shop. I've been meaning to adjust that but kept forgetting, even after my last long trip into the mountains. This short video reminded me that I need to do that. I have looked over several threads here and...

Hello all, 2004 LJ, 4.0, 140k miles, 33s, automatic When driving in mud/sand or any surface where I'm able to lose traction and break the wheels loose (whether on purpose or not), my Jeep won't rev past 2,000 RPM. With my foot flat out on the accelerator, in sand for example, the revs stay at...

So I am told (haven't tested it out) that the factory Rubicon lockers de-activate at speeds over 10 mph and only work in 4 low. Is there an easy way to allow them to work in 4 hi and speeds over 10 mph? Or is this a bad / dangerous idea? Mostly I was thinking it might be nice to have the rear...