In the last week I have installed the RE bb on a friends jeep(05)and We installed the Rustys 2'' susp. lift on my jeep(97)They both went in really easy(about 4hrs).I figured my TJ being older needed new springs-now Im really glad that I did.It rides really smooth and gave me the perfect height-My buddy says his shocks are a little stiff.for less than $100 more I got all new suspension,and Rusty's was easy to deal with and my stuff was here in 4 days.They also come with the front two bar pins already installed-always a plus.-my .2..
i had the same decision and don't regret going with rustys...but a BB isn't a bad idea if your springs aren't old...mine were new...but no big deal...when the rusty's springs sag in a few years i can always put the stock springs back in with some spacers.
old springs- spring lift
new springs- spring lift is fine but a BB isn't a bad idea
I also ended up getting slight vibes from the lift-I could of lived with it and probably only noticed because I was looking for it,but I droped my t-case 3 washers and It cleared it up..check out the below link its really helpfull. Also dont forget to pre-lube all of your shock bolts and you may need a long breaker bar.
Good luck www.4x4xplor.com/t-casedrop.html
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