Jeep Wrangler Boomerang Shackle Install: Project Rusty Junk YJ 

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You don't want to leave them super loose because the suspension will flop around all over the place. With lock nuts, just have to snug them up.

The track bars are more to help with high speed handling. Leaf spring vehicles don't need track bars to function, as the springs locate the axle, but they do increase stability especially on something short like the YJ. Not needed for offroad action and prevent articulation and off road maneuverability. They are are needed on any vehicle that has coil springs as then there is nothing to locate the axles side to side.

I think I installed them just like the instructions showed. I filmed this a few years ago so don't remember exactly.

@@QuickSpeedShop I called several different manufactures. And they all said the same thing- the top is determined upon application. example-what type of spring, clearance to frame, how much flex you want. Thank you

Just normal axle grease.

You would also put them in the front on a stock Jeep. This Jeep I built custom rear frame rails that were higher than the originals so the longer shackles balanced that out.

@@QuickSpeedShop sweet, thanks

I fired it up over the weekend after a year and a half. Unfortunately, I won't be getting to it any time soon.

@@QuickSpeedShop ah well, as long as she safe

Yes, the other end of the spring is fixed.

@@QuickSpeedShop thank you

In this video I have 31s, but now it has 33s. There is a 3 inch body lift and 4 in suspension lift.

@@QuickSpeedShop you know what they say. Guys who run body lifts,lift their body only as much as their ass can take. Three inches is a lot of anal to take bro,that’s fisting size.

@@jimbob2422 The body lift was on the Jeep when I got it. I personally hate the look of them. That's why when I built the bumpers I raised them to cover the gaps front and rear.

I don't remember it was over a year ago. I had the tires on and off lots of times as I was building that Jeep.

Im guessing so he didn't have to jack it up super high

They are installed correctly for the rear application as per the instructions.