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Old 07-01-2012, 12:01 PM   #1
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Total Newb Question on lifts

Okay...please don't laugh...I'm a girl My husband usually handles this sort of thing, but I am trying to learn a little on my own. I need some help undrstanding lifts.

I realize that the reason to lift a Jeep is probably three-fold...
1. Bigger tires
2. More clearance
3. More room for better articulation
(and it looks good)

Am I right so far?

I understand that the better lift kits actually replace the springs basically creating a whole new suspension. If a budget boost fits on top of the coils are you really gaining any more clearance or articulation? or are you just getting the ability to use bigger tires? It doesn't seem that putting something above the axle is going to do much to help clearance...

Our diffs seem so low and tend to scrape a lot...What is the best solution?

Sorry for the dumb questions...I think I need to see some pics or videos to understand how this works better...

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Old 07-01-2012, 12:54 PM   #2
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Quote:
Originally Posted by tlong View Post
I understand that the better lift kits actually replace the springs basically creating a whole new suspension. If a budget boost fits on top of the coils are you really gaining any more clearance or articulation? or are you just getting the ability to use bigger tires? It doesn't seem that putting something above the axle is going to do much to help clearance...
Right you are m'am. You will get added clearence for larger tires from a BB lift but it won't do anything to help with flex. From what I've seen after owning many 4x4s, TJs have pretty decent flex compared to the other stock rigs of the world so for a lot of people that's not an issue.

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Old 07-01-2012, 01:03 PM   #3
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well, your right. diffs sracping is only going to be solved by the larger tire. im not a big fan of spacer lifts because they dont change control arms. if you go up and you dont change the control arms to move the axles back out your are changing the suspension geometry and it may not drive right. you should atleast change the lower control arms. my best advise is spend the money for a complete kits: springs, control ams (i prefer upper and lower), brake line extensions, track bar, track bar relocations brackets, drop pitman arm, longer shocks, shock brackets, ect. (i may be forgeting some parts), and for non rubicon models you need a t-case drop bracket and slip yoke eliminator kit. and depending on how high you go you may need longer driveshafts. im sure others will chime in on the things im missing. the shorter the lift the less of this you have to change, hints why they are cheaper.
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Old 07-01-2012, 10:06 PM   #4
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Thanks for the explanations. I think I am starting to get the hang of it I watched a few youtube install videos for a few different lift kits and am starting to get a clearer picture.
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Old 07-02-2012, 04:24 AM   #5
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Originally Posted by tlong View Post
Thanks for the explanations. I think I am starting to get the hang of it I watched a few youtube install videos for a few different lift kits and am starting to get a clearer picture.
Good luck
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'04 TJ X. 4.0 5spd. Half cab hard top. LuK PG clutch. 3" cobbled up lift. 31" BFG KM2s. Cut fenders. VR8000-s. Lockright. Couple'a KCs. Some trick wiring. Smitty. Currie. Home brew seat risers, foot pegs, and LED tail lights. Bedliner everywhere.
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Old 07-02-2012, 05:55 AM   #6
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How much lift or tire size are you seeking? Remember the larger/higher the lift, the more costly it gets and not to mention possible vibe issues. Some of the items Aleater listed are not needed for mild lifts(2" suspension) such as control arms, pitman arm, SYE, drive shaft. Google some of items listed will give you an idea of the extreme costs when you go bigger.
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Old 07-02-2012, 08:12 AM   #7
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The only way to get those diffs higher is bigger tires and the only way to do that is with a lift. But for every inch bigger your tire is the diff only goes up 1/2 inch.
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Old 07-02-2012, 08:26 AM   #8
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if you go up to put bigger tires on you have to keep in mind that possibly 33's and definitley any thing bigger will need gears changed and should have stronger axle shafts or a completely differerent axle
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Old 07-03-2012, 11:30 AM   #9
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Thanks again for the input. We are still in the research phase right now. I'm not sure how high we want to go. I am thinking 33's and a mild lift. We don't do anything crazy. I just don't want to get stuck or tear the Jeep up.
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Old 07-03-2012, 02:22 PM   #10
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Jeeps really are all different. I have 32" tyres with stock 3.73 gearing and mine still moves along very swiftly. I really have no complaints about power.

As for new control arms with BB or 2" coil lift they really are not needed for the average rig. If they only cost $10 then hell yeah, but they don't and you'd really be pretty happy with a 2" lift with stock arms.

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