I believe these guys are talking about the 2 inch lift kit not the HL HD springs.
BTW You don't get any lift out of the springs. You can't make your shocks longer just by replacing the springs. The springs just bring the wheeler back to the stock stance because your stock springs are saged out...
The lift doesn't do much for the ride. After I added the lift I put High Lifters HD springs in and WOW! made a huge difference on handling. Alot less body roll which makes for a sporty feel.
If you are looking for some performance upgrades check into a mudbuster cam and maybe a pipe jet kit and...
I had problems with mine because of it. Get it fixed if you live in a cold climate.
Funny thing is the when I first got the recal notice the dealer told me to wait to bring it in because the recal didn't sound right.
Well good thing I waited because the guy at the dealer told me they were just...
Changed my oil on my new rubicon at exactly 100 miles, which was around 20 hours.
I used Amsoil Forumla 4 0-40W oil. Made it start alot easier and shifts alot better.
I also did the valve adjustments at at the shortly after. Mine were way off and made a heck of a difference with throttle...