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I want to preface this by saying that my Comanche right now is fine, but I am just having some performance issues with it. I shouldn’t even say they are issues, but they are things that are happening that I would rather did not happen. I’ll start with the leaf springs. The leaf springs in my bastard pack in my 89 are all getting worn out. While I am in there replacing springs, I want to go 1.5” higher, for a total of 4.5” of lift and I want Metric Ton springs because when I get my own place, I’m going to have to use it a lot more for truck stuff, and I want it to be able to tow and haul a little bit better without squatting. I see that Hell Creek 4.5” springs are rated at 1440 pounds, does anyone have experience with those and towing and how do they ride empty? Is there one brand that is better than the other? I seem to recall one of the two companies offering Military wrap (also, I don’t know what that means, I just remember that it is good), but I couldn’t find it on either website. Does General spring make a Metric Ton 4.5” lift spring? If so, how does it tow and ride empty Now on to front coil springs. My truck has a lean. The left front corner has always sat visibly lower than the right front. IIRC, when we measure it, it was .75” lower. If I am replacing the rear leafs, I might as well do front coils at the same time. Right now, I am looking at the Rubicon Express coils. Is there anything else out there that you folks would recommend? I know to avoid Rough Country like the plague. Let’s go for steering now. I am looking at a steering box brace because I currently have 30x10.50s and have no plans of going smaller, so I want to deal with this before it becomes and issue. I am looking at this Ironman 4x4 kit right now. https://ironman4x4fab.com/products/xj-steering-box-brace?variant=29782948216920 Does anyone have any experience with it? I am not planning on ordering the drop brackets, but does anyone know if I would need the steering box spaced or not? I would assume that I would. Finally, for some engine upgrades. For whatever reason, it seems like my truck doesn’t wake up until 2,500-3,000 RPM. I have the 96 header and no crush pipe in the exhaust. No plugged cat either. I’m also running 4 holes injectors. I know the biggest performance upgrade is gearing, which is why I have 4.10s in my truck. Would the bored throttle body help wake up my truck too? I know more air usually equals more power. Of course, I’d take more power anywhere I can get it, but it would be especially nice lower in the power band. Long term, I want to run a standalone ECU, cam it and run boost through the engine, but boost and standalone just isn’t in the cards right now. I have already made a prior post about camming it that I plan to look back at. Thanks guys., and sorry about being long-winded.

Long story short... I'm SOA in the rear with metric ton springs (4/1) with XJ shackles and ruffstuff 8" perches, I've been running a Stub and Slip shaft (sye w/o the double cardon). I've ran this setup for 5 years and not been happy with the rear suspension. Recently I put the MJ shackle back on and it's night and day difference in the rear, I assume the springs are able to move and flatten more now... I do not want the extra lift that I obtained with the mj shackles installed, and at the same time axle the angle is now wrong, causing drivline vibrations. Correcting angle with shims will give me more lift (3* shim 8" long is min 1/4" lift). But I only want a 4" lift in the rear. The axle is originally from an xj so it's 2 3/4" tube, current spring pack thickness is 1 3/4", plus the delta in spring perch under to over probably 1/2". So basically I'm trying to eliminate 1" of lift that I accomplished prior with the xj shackle.... 6 My goal is just a 4" lift in the rear. the axle is originally from an xj so it's 2 3/4" tube plus the spring pack thickness is 1 3/4" plus the delta in spring perch under to over probably 1/2". So basically I'm trying to eliminate 1" of lift. and I'd accomplished this prior with the xj shackle.... My plan is to put new perches on to correct angle, remove some lift with cutting the perches deeper (currently about 5/16" gap between spring center bolt and axle so I can take 3/16" off here). I'm going to roll the axle and go with a CV style shaft with a double cardon. Do reduce the lift further: I would like to remove the 5/8" thick bottom leaf and leave the top 4 leafs.... I have a set of airbags that are collecting dust that i could then add for when I haul something I don't damage anything. SO here are the questions for input..... How Severe will the axle wrap be? (perch is 8") Would replacing the 5/8" bottom one with one from an xj that's the same length, but 3/16" reduce the wrap enough to benefit? What about possibly using slider boxes in stead of a shackle? On road characteristics and usability are more important then off-road capabilities.... My goal is just a 4" lift in the rear. the axle is originally from an xj so it's 2 3/4" tube plus the spring pack thickness is 1 3/4" plus the delta in spring perch under to over probably 1/2". So basically I'm trying to eliminate 1" of lift. and I'd accomplished this prior with the xj shackle....