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Old 10-08-2007, 11:56 PM
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johnny joints??

Sorry if this has been asked before, but couldnt find anything with search.

has any body had first hand experiences with these?

how do they ride? flex any better?

are they worth it with short arms?

i'm running 3.5 RE springs and want to make my own control arms

do you use one johnny joint per arm or 2?

if one do you put it at the axle side or chassis side?
TJ 4.56: f and R ARB's
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Old 10-09-2007, 12:30 AM   #2
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My control arms have JJ's. They ride better than they did stock. They flex very well. I am running a 4" lift with short arms and unless I was going higher I would not even consider long arms. However mid arms with a triangulated rear is definitely a future consideration.

Some manufacturers run JJ's at the axle end and factory style bushings at the frame end in order to isolate road noise / feel. Personally, I'm good with them at both ends and I like that they put less stress on the CA brackets than bushings.

'06 Rubicon - Mostly Stock
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Old 10-09-2007, 03:17 PM   #3
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The trend for street driven vehicles is as Red stated above to have a bushing at the frame end to soak up the vibes from the drivetrain, running bushings on the frame end of the uppers is perfectly acceptable. However if you are building it to your own liking I wouldn't be scared to put the JJ's on each end. Will be a bit more expensive though.
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Old 10-09-2007, 03:19 PM   #4
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Run them on my front axle, at the axle end and have no complaints
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