The Old Man Emu are a 1.75" lift, and ARB tech support says they have a stiffer spring rate than stock standard spring. (Not stock tow package spring). OME tech says the OME would ride firmer than stock.
Are you saying OME would ride as soft as stock?
Crown springs I was referring to are not lift springs. OME lift spring would ride softer?
I want to use Monroe Sensitrac shocks because I think they ride really nice. Best I ever used (on my prior XJ). These are for stock (or near stock) ride height. So I can't use a lift spring (at least not more than 1").
I want to use stock XJ springs. Either the tow package springs I have, or non-tow-package springs.
If your looking for something that ride s like a caddy, You need a caddy. XJ's are not not known for their ride quality. You may be chasing your tail with a cherokee. But if you want the best answers/advice don't crunch numbers and spring rates and such. Listen to what some of the experienced guys like CJ-7 Tim are telling you. Guys on this forum who have used the actual products will give you more accurate info on ride quality than some tech spouting numbers on the phone. Hope you find the right combo.
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91 XJ 4.0 5spd 5.5 on 32's, flat flares, sand camo'd. "Battle Wagon"
01 XJ 'Up Country' 3.5 on 29's former fire vehicle. Bright red. "Fire Wagon"
Dealer part numbers:
52000050 Standard Duty, Coded LB
52000051 Standard Duty, Coded LC, EC
52000706 Standard Duty, Coded LN, ES
52000544 Heavy Duty, Coded LK
52000545 Heavy Duty, Coded LL, EL
52000707 Heavy Duty, Coded LM
52002390 Heavy Duty, Coded LS
52002392 Heavy Duty, Coded LT ( UpCountry package +1" leaf spring)
Crown catalog part numbers:
84/01 Standard Duty (LL ) 4 leaf - Jeep P/N 52000051
84/01 Heavy Duty (LS, ZGV, ZVV) 4 leaf -Jeep P/N 4886185
84/01 Heavy Duty (LT, ZGW, ZVW) 4 leaf -Jeep P/N 4886186 or 52002392 - UpCountry + 1"
84/01 Heavy Duty (LK ) 4 leaf - Jeep P/N 4886187
84/01 Heavy Duty (LN, ZUU, ZFU) 4 leaf - Jeep P/N 52000706
84/01 Heavy Duty (LM, ZGU, ZVU) 4 leaf - Jeep P/N 52000707
XJ Spring Rate Tech
OLD MAN EMU-CS034RA (OMEJC1A) 5 leaves in pack, 148lbs/inch s.r. 230mm (9.055") free height= Average lift of ~3"
OLD MAN EMU-CS034RB (OMEJC1B) 5 leaves in pack, 148lbs/inch s.r. 205mm (8.07") free height
OLD MAN EMU-CS035RA (OMEJC2A) 4 + 1 overload, 137/257lbs/in s.r. 235mm (9.25") free height
OLD MAN EMU-CS035RB (OMEJC2B) 4 + 1 overload, 137/257lbs/in s.r. 210mm (8.27") free height
OLD MAN EMU- D22XL (OME Add A Leaf) ~ 1" lift on top of their lift packs
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My 96 XJ Classic had a really nice ride quality (no tow package).
My cousin had a 98 Sport that rode really nice.
So I know XJ can ride nice, and IMO they are known for good ride as SUV go.
So I know my 99 XJ Classic can ride nice, once tow package rear springs are replaced with stock NON tow package springs. That is my goal.
I appreciate everyone's help, especially help figuring out a stock part number for the rear springs of a Classic WITHOUT tow package and WITHOUT Up Country.
Thanks CJ7-Tim for the spec sheet. I will study it. So far I see it has lots of info about the stock heavy duty springs, and a little info about standard duty springs. I need to learn as much as possible about standard duty stock springs. Like which for a 4L, for a Sport, for a Classic.
Jeep dealer said they can tell me exactly what rear spring a Classic (without tow package) would have, if I can provide a VIN number of a Classic that does NOT have tow package.
Does anyone have a Classic without tow package? Could you please provide me your VIN number? If so, I can give it to my dealer. Then they can enter it in their computer and get a part number for rear springs.
I know a 98 through 2001 Classic would work. Probably an earlier one would work too.