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Old 08-03-2017, 10:32 PM
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Default Dana 30 Project Axle

All right bare with me. Trying to get an understanding of why certain upgrades are needed and why some are not needed.
This JK is going to see 90% road and some Colorado mountain trails. No serious rock crawling stuff.

My project axle is already gusseted, trussed and sitting on a furniture dolly at my job site. My curiosity lies in the next stage of what to spend money on and what not to spend money on.

1)Sleeves for the tubes: Not a huge cost, but is it worth it? When an axle is sleeved I reckon it does not interfere with changing axle seals right? (Fab shop I've been talking with suggested might as well sleeve it.)

2)Upper control arm bushings: I want something that will last a long time and I can repair if needed without a lot of cussing. What is the benefit of JJ? (Besides a readily accessible rebuild kit) What is the benefit of Rubicon Express bushings? What is the benefit of polyurethane kit like Energy Suspension sells? Does installing JJs require different control arms ala Metal Cloak?

3) Ball joints : Thoughts opinions on Teraflex ball joints? I liked that they can be rebuilt. Figured 30-40 dollars more than Synergy joints why not. They are already in route, but I can return them if majority opinion says they are junk.

4) Axles : Chromoly shafts, CV axles or replace U-joints on stock axles? General thoughts on what if any upgrade here for my driving situation.

Thanks in advance.
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Old 08-03-2017, 11:37 PM
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Eh, if you're adamant about throwing more money at it...you could sleeve it. Not needed since it's trussed. No, it won't interfere with changing out the seals later on.

Honestly the factory clevite bushings in there will last a long time, longer than the Johnny Joint without the need for maintenance. I kept mine after burning on the truss. You can use the factory upper arm if you decide to go with JJ's, really any arm will fit; however, it'd be best to run an arm with a JJ on the frame side too.

I just popped in a set of Teraflex ball joints a month ago, but haven't put very many miles on them yet. I agree, I like how they're rebuildable should I need it down the road. Beats forking out another $200 for another set of BJ's. Unfortunately I tore the passenger side upper boot out during install...so I'm going to need to press them back out and in again to replace the boot before I can drive it :( ...

I wouldn't waste the money on Chromo shafts or RCV's for your situation. You're not rock crawling, so just replace the u-joints in the stock shafts. That being said, I'd hold off until your u-joints start clunking/showing signs that they're on the way out.
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Old 08-04-2017, 06:32 AM
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Iíll echo a lot of what BoraBora said. Save your money and donít worry about sleeves. Youíre just not gonna see any benefit from them. Iíve not seen many negative comments about the Tearflex BJs. Iíd choose them over Synergy. I didnít have good luck with a few pairs of Synergy BJs and am now on Dynatracs. I wouldnít put chromoly shafts in for a couple reasons. First, it sounds like youíre not really going to need them. More importantly second, Iíd want the shafts to be the weak point in a D30. Should you ever get in the situation, youíd want your axle shaft to snap before you blew up your ring and pinion. Replacing an axle shaft is a whole lot easier than regearing. Personally, Iíd gear it, put decent ball joints in, slap a nice coat of paint on it, and save the rest of your money for upgrades in different areas. Iíd rather upgrade TR, TB, DL, tires, recovery equipment, and a whole slew of things before putting more in the axle than what is necessary. If you don't have any yet, quick disconnects for your sway bar might be better use of those funds as well. The axle is already plenty capable for your use.
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Old 08-04-2017, 08:05 AM
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Originally Posted by Seizer View Post
All right bare with me. Trying to get an understanding of why certain upgrades are needed and why some are not needed.
This JK is going to see 90% road and some Colorado mountain trails. No serious rock crawling stuff.

My project axle is already gusseted, trussed and sitting on a furniture dolly at my job site. My curiosity lies in the next stage of what to spend money on and what not to spend money on.

1)Sleeves for the tubes: Not a huge cost, but is it worth it? When an axle is sleeved I reckon it does not interfere with changing axle seals right? (Fab shop I've been talking with suggested might as well sleeve it.)

2)Upper control arm bushings: I want something that will last a long time and I can repair if needed without a lot of cussing. What is the benefit of JJ? (Besides a readily accessible rebuild kit) What is the benefit of Rubicon Express bushings? What is the benefit of polyurethane kit like Energy Suspension sells? Does installing JJs require different control arms ala Metal Cloak?

3) Ball joints : Thoughts opinions on Teraflex ball joints? I liked that they can be rebuilt. Figured 30-40 dollars more than Synergy joints why not. They are already in route, but I can return them if majority opinion says they are junk.

4) Axles : Chromoly shafts, CV axles or replace U-joints on stock axles? General thoughts on what if any upgrade here for my driving situation.

Thanks in advance.
Where exactly did you see that Teraflex joints can be rebuilt?

Dynatrac ball joints can be rebuilt, and rebuilt without having to press the housing back out of the knuckle, which significantly lowers wear ont he knuckle from pressing the joint in and out. ANd abvoe all, our joints are the strongest on the market. You can learn a lot more about our joints at this link https://www.dynatrac.com/rebuildable...alljoints.html where you can also watch videos reviewing our ball joints, and how to rebuild them.

Last edited by Dynatrac; 08-04-2017 at 10:01 AM.
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Old 08-04-2017, 09:49 AM
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Originally Posted by Dynatrac View Post
Where exactly did you see that Teraflex joints can be rebuilt?

Dynatrac ball joints can be rebuilt, and rebuilt without having to press the housing back out of the knuckle, which significantly lowers wear ont he knuckle from pressing the joint in and out. ANd abvoe all, our joints are the strongest on the market. You can learn a lot more about our joints at this link https://teraflex.com/search_results?...ch=ball+joints where you can also watch videos reviewing our ball joints, and how to rebuild them.

You actually linked Teraflex's website and not Dynatrac's
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Old 08-04-2017, 09:57 AM
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Originally Posted by akguy09 View Post
You actually linked Teraflex's website and not Dynatrac's
LOL, classic Dynatrac....classic
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Old 08-04-2017, 10:02 AM
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Whoops, not rebuildable. They have a lifetime warranty on them though, and that's good enough for me...assuming I can remember to grease them every 3,000 miles
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Old 08-04-2017, 10:02 AM
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Hey, we're human. Here is the link we meant to post from when we were researching the original comment.

https://www.dynatrac.com/rebuildable...alljoints.html
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Old 08-04-2017, 10:10 AM
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Originally Posted by resharp001 View Post
LOL, classic Dynatrac....classic
It's Friday. I can relate to that situation typically. Pretty funny though.
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Old 08-04-2017, 03:47 PM
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Originally Posted by resharp001 View Post
Personally, I’d gear it, put decent ball joints in, slap a nice coat of paint on it, and save the rest of your money for upgrades in different areas. I’d rather upgrade TR, TB, DL, tires, recovery equipment, and a whole slew of things before putting more in the axle than what is necessary. If you don't have any yet, quick disconnects for your sway bar might be better use of those funds as well. The axle is already plenty capable for your use.
Definitely Resharp I intend on getting the quick disconnects. I don't know all the Jeeper acronyms yet what is TR, TB, and DL(DriveLine)???

Originally Posted by Dynatrac View Post
Where exactly did you see that Teraflex joints can be rebuilt?
Ahh man I saw it on the Teraflex user review. Derp a derp. Sorry about that now I might send them back and get Dynatracs. I should have read the sales insert to realize they were not rebuildable.

From Teraflex web page.

CUSTOMER REVIEWS

[TABLE="class: table, width: 100%"]
[TR="class: review"]
[TD]November 21st 2015
Shawn Houser
These ball joints are awesome! I've replaced my ball joints twice over just 3 years of wheeling and daily driving. I finally purchased the Teraflex balljoints and could not be happier. I have 37 inch bead locked wheels, and it's been just about a year, and they are still nice and tight, and perform just like day one. I like that they are greasable and rebuild able. Another awesome product by Teraflex. Thanks!![/TD]
[/TR]
[/TABLE]

Well thanks for all your thoughts. Regarding my project piece.

Last edited by Seizer; 08-04-2017 at 03:50 PM.
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