3.5 lift what's a good set caster

Jeep87$

Jeep87$

New member
I recently went the the alignment shop and had a alignment done and they set my caster a 6degrees positive is that to much ?
 
WJCO

WJCO

Meme King
Jeep87$ said:
I recently went the the alignment shop and had a alignment done and they set my caster a 6degrees positive is that to much ?
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That sounds near perfect to me from a WJ owner. The JK guys may have another word on it, but I think even on a JK, that's good.
 
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WJCO

WJCO

Meme King
Jeep87$ said:
Can this cause vibrations at high speeds
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You can fix this yourself. Not sure if your kit came with adjustable arms or not. This will not cause vibrations at higher speeds, unless you're dealing with a driveline vibration. Typically on a Jeep, if you gain too much caster, this will result in an improper pinion angle, and vice versa. As said above, 4 is the desired # to balance both of those measurements.

You could have a tire vibration or another vibration too though.
 
WJCO

WJCO

Meme King
So adjusting your uppers longer will decrease your caster measurement. And also give you a better pinion angle. There may be a write up on here.
 
MedixJK

MedixJK

-
Jeep87$ said:
I recently went the the alignment shop and had a alignment done and they set my caster a 6degrees positive is that to much ?
Click to expand...

I had a long conversation with eddie about it. Im currently at 6* also. The upside is it actually handles great. The downside is driveline vibe as people have said. I wasnt, and am still not experiencing any vibes. Reason being most likely is my gearing. Eddie mentioned that you really start getting the vibe issues when you regear.
 
Jeep87$

Jeep87$

New member
I measured my uppers control arms they are adj and are set at 183/4 lowers are 231/4 the lowers are fixed
 
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