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Front adjustable LCA's

6K views 68 replies 15 participants last post by  desertgoose 
#1 ·
After installing my TF 2.5" coil lift my JK has left a bit to be desired in regards to bumpsteer and following the slope of the road when driving, mainly on rough surface streets. It tracks straight and drives fine at highway speeds, but on potholed roads it likes to dance around a bit. I don't like it so much.

I'm looking at the Rock Krawler adj LCA's seen here: Rock Krawler Suspension RK02015 - Rock Krawler High Clearance Adjustable Front Lower Control Arms for 07-12 Jeep® Wrangler & Wrangler Unlimited JK - Quadratec

Anybody have experience with these? Is there a better (more durable) option at that price or lower? I appreciate any input...
 
#7 ·
yes. usually adj ca's will correct the 'wandering' feeling you get from highway speeds, by adj. caster.

I think it's alignment. Get the specification sheet or print out from the alignment shop. In most alignment shops, they don't center your axles and if your axles are not centered you will have these issues.
 
#8 ·
I just installed Synergy adjustable front lower control arms and the Synergy adjustable track bar. Got them from EAD Offroad and highly recommend them. But my issue was originally caused by the lower ball joints being wore out.
 
#9 ·
desertgoose said:
Please let me know what changes handling wise. I don't want to drop $300 for something that may not fix the only issue I'm having. I am not enjoying the extra effort it takes to stay in the middle of the lane when driving on rough or uneven roads.
Oh I will.

Talked to a shop yesterday.

Mentioned the LCA's. They should be already set so, it's a matter of 4 bolts.
They are not going to charge any extra to install.
 
#10 ·
If it really is a caster issue from the CA's, you could try AEV's new CA drop brackets that are supposed to correct the suspension geometry. At $99 it would save you a good chunk over new CA's. Have seen a few threads on them floating around here.
 
#11 ·
flyinion said:
If it really is a caster issue from the CA's, you could try AEV's new CA drop brackets that are supposed to correct the suspension geometry. At $99 it would save you a good chunk over new CA's. Have seen a few threads on them floating around here.
Member "Gluestick" :thumb:
 
#12 ·
flyinion said:
If it really is a caster issue from the CA's, you could try AEV's new CA drop brackets that are supposed to correct the suspension geometry. At $99 it would save you a good chunk over new CA's. Have seen a few threads on them floating around here.
I've entertained that thought. I have no issue dropping a little more $ as long as I'm positive it'll fix my issue without causing more down the road.
 
#14 ·
:whistling: Installing (adj) LCAs is kindergarten, even compared to installing a lift-

Whats the big question ???????

You can change your front axle caster "AT WILL" weekly, if you want to-

You can change lifts/tires/bumpers/racks/jeep load and ALWAYS be able to temper your front axle caster-

It's NOBIGDEAL !

:dance::rofl: JIMBO
 
#19 ·
chris.george said:
Agreed, I just caved and ordered some after seeing that my castor was -4º. Complete opposite direction of what it should be. Freaked me out.
-4 holy f---- I can't say that here lol

Night and day. If anything my caster was only off a couple degrees.
 
#20 ·
Yeah, I have a few things on my list still. Sigh, I should've just have done all the work from the beginning. Newb problem.

Tom Woods or JE Reel Driveshaft
Adjustable Track Bar (I have a little bump steer I think)
New Coils (King would be awesome)
King Shocks or Bilsteins

When I look at some of the work that the guys at 4wd did and using their ProComp stuff, I kind of want to cry. But only after learning about all these.
 
#23 ·
The ones they flopped out with the pro comp lift are already seem like they are sagging. I measured 24" (little over) in the front (mid wheel to bottom of fender) and 23.5" in the back. Back I guess since they DO say their '4" lift' is for 35" tires, makes sense.

I guess I could choose other ones and just powder coat them ;). Maybe I misunderstood people? I'm not closed off to any others to be honest. I'd just as likely buy TeraFlex or EVO. But I asked a few people who've beat the daylights out of theirs and they kept saying King was worth the price. We'll see though, you guys (and a bunch of others) do love your Bilsteins!

But this is me right now:


Because I didn't figure a lot of this out BEFORE. Oh well.
 
#32 ·
Yes I am, replaced a set on my first car with a BFH, this time I'm gonna buy the proper bj press. Ironically after I needed it, found out a buddy on my softball team has a car lift in his backyard. Said I can use it whenever I want and to just text him so he knows I'm there or on my way. Could've done my lift like the teraflex video had I known.
 
#33 ·
desertgoose said:
Yes I am, replaced a set on my first car with a BFH, this time I'm gonna buy the proper bj press. Ironically after I needed it, found out a buddy on my softball team has a car lift in his backyard. Said I can use it whenever I want and to just text him so he knows I'm there or on my way. Could've done my lift like the teraflex video had I known.
Lol.... Was thinking the same before I installed the lift.
That guy made it look so easy with the lift and fancy snap-on air gun.

I might upgrade my ball joints before I put on 35's.

There is a Great 2 part vid on YouTube. Again "looks easy" lol

I've heard HF sells an inexpensive b joint press.
 
#34 ·
kjeeper10 said:
Lol.... Was thinking the same before I installed the lift.
That guy made it look so easy with the lift and fancy snap-on air gun.

I might upgrade my ball joints before I put on 35's.

There is a Great 2 part vid on YouTube. Again "looks easy" lol

I've heard HF sells an inexpensive b joint press.
Mine are already bad at 34k miles with my 33x11 tires. I saw the video, gives me excuse to take out axle for inspection I guess. Lol Any job is easy with patience and the proper tools. The lift was easy but slow as I did it alone without impact wrench or the best tools. The lift and impact wrench would've cut the time at least in half and this was my first lift install.
 
#35 ·
desertgoose said:
Mine are already bad at 34k miles with my 33x11 tires. I saw the video, gives me excuse to take out axle for inspection I guess. Lol Any job is easy with patience and the proper tools. The lift was easy but slow as I did it alone without impact wrench or the best tools. The lift and impact wrench would've cut the time at least in half and this was my first lift install.
:thumb: looking forward to a nice write-up :whistling:

I hear nothing good about the stocks BJ's
Especially upgrading to bigger tires.

I have 43 K :eek: and an unexplained popping noise from the front.

Want to be nice and ready for the beefy 35's :)
 
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