Rear UCA's

[valpacer]

Finally got my new Rear UCA's this week. They were suposed to be done before the Jambo in Sept, but no luck.

Adjustable and Johnny Joint upper end.

https://theultimatejeep.com/images/imported/2012/11/DSC_0352-1.jpg

https://theultimatejeep.com/images/imported/2012/11/DSC_0353-1.jpg

https://theultimatejeep.com/images/imported/2012/11/DSC_0354-1.jpg

[pjmjr508]

those look beefy

[stites-xk]

I like those!

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[07JeepXK]

Hell yeah. Screw those superlift brackets. I'm surprised you didn't get them made with a slight bend in the middle. I'd be worried your going to hit the gas tank with the drivers side UCA due to having 4+ inches of lift. My buddy's 4 inch bds came with new uppers that had a slight bend in them

[valpacer]

Still using the brackets, even with the straight UCA i can drop the rear axle to the end of a 32" shock with a little in reserve. I dont think anyone else with a short arm has got to that far yet. We looked at doing them with a bend, but we were a bit rushed in the end (which didnt end up even mattering cause they took ages to get made and missed the trip they were for...) and also so they could be used with a normal 2-3" lift and get some more made. Given how many kidneys these ended up costing ill give people the measurements and they can get a local shop to make them up. The mob that did these has been excellent in the past, but for some reason these gave them a curve ball.

[Matt]

Good thought on making them work with the bracket.

What's your goal with them? I'm sure you already know, but you have to be careful adjusting the length of just one link. If done incorrectly you'll pivot that axle too much and could cause issues with the u-joints at the extreme ends of motion.

[07JeepXK]

Hopefully he already has adjustable lowers. Then he can dial that rear axle right in and have a perfect pinion angle

[valpacer]

No adjustable lowers yet, and it only needs a very small tweak to get the diff pinion angle where it needs to be. Helps when there is a double cardan in there! These are overkill ut were meant to be able to be used on all lifts. Just wont be using the same mob who did these to do the rest....:-(

[Matt]

Was checking out Marks superlift yesterday and think he needs a set of adjustable uppers. The pinion angle doesn't look very good at ride height and I think that's his contributing so some droning noise he's getting.

Didn't someone else in the US just have new uppers made by Rocky Road or Rustys?

[stites-xk]

Was checking out Marks superlift yesterday and think he needs a set of adjustable uppers. The pinion angle doesn't look very good at ride height and I think that's his contributing so some droning noise he's getting.

Didn't someone else in the US just have new uppers made by Rocky Road or Rustys?

I have Rusty's rear LCA don't have uppers yet but soon!

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[Matt]

Did you contact Rusty's about making uppers already? How much did they charge for the lowers? (figured price wise they'll be about the same).

I sent Marlin an email this morning seeing if he planned to make uppers.

[stites-xk]

I paid right around $200 for them! It will be the same for uppers! You call and tell them what you want and it is made to order!

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[Matt]

Cool. What was their turn-around time like?

[stites-xk]

Cool. What was their turn-around time like?

A week to 2 weeks!

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[stites-xk]

I have all the part # for the lowers you you want them.

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[Matt]

Ok that's a definite option!

His lowers are alright. He has the newer SL kit that doesn't use those drop down brackets. But the uppers are too short so his pinion angle is pretty bad.

Post the #s for the lowers anyways in case someone else wants them :)

[stites-xk]

Will do! I'll post them up in my garage!

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[Matt]

Will do! I'll post them up in my garage!

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Make a thread for them in the suspension section so its easy for people to search for. One of the benefits of having our own forum like this is every mod doesn't have to be burried in peoples garages ;)

(like how this one is titled "Rear UCAs", it was a no brainer i was in the right thread)

[stites-xk]

Didn't think of that! Lol!

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[07JeepXK]

Matt, does the new Superlift kit not use the brackets on the rear axle for the upper control arms?

[Matt]

It does. I'm wondering if when they eliminated the lower control arm brackets they didn't adjust the upper bracket positions to correct the pinion angle.

The angle's not "extreme", but its bad enough that I could see it causing an issue if someone has a U-joint on it's way out. It's also bad enough that I personally would be upset if I paid for a suspension "system" and ended up with that type of pinion angle given the ease in which it could be remedied.

[07JeepXK]

What the cost on a new rear drive shaft? I was thinking about have one made this summer if it cost less then what I can get an oem from the dealer

[Matt]

Dude i think new ones are $700+ (closer to 800) new. Probably better off having one made that has serviceable u-joints.

[stites-xk]

Dude i think new ones are $700+ (closer to 800) new. Probably better off having one made that has serviceable u-joints.

Tom woods driveshafts quoted me 400 for a double carbon!

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[Matt]

That's the way to go. Just looked it up and an OEM replacement is $1075 MSRP, $752+ shipping online.

[07JeepXK]

Damn that's expensive. Bet I can get one made for half that price