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Old 08-25-2014, 01:20 AM   #1
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Axle help

Ok so I bought and 02 TJ X back in May. I have done a lot of work to it in these past few months. Now I'm at the point where is time to upgrade the axles. I was going to go with the Dana 44 G2 but was told those are shitty and use the stock housing. With that in mind I'm already prep aired to shell out 6k for the job but wanted to see if I can get more bang for my buck. I haven't done to much rock crawling but would like to do some moderate stuff not to extreme. Also what gearing should I go with? My summer tires are 35s BFG Krawler and my winter tires are 33s BFG A/Ts any help would be great.

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Old 08-25-2014, 04:21 AM   #2
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Have you considered an 8.8? I paid around $1700 for an 8.8 that was ready to install with a detroit locker, new gears, and totally rebuilt.

No need to do anything with the front D30 except install chromoly shafts. Gear ratio will depend on your transmission.

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Old 08-25-2014, 01:09 PM   #3
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I was looking at the G2 CORE 44 axles for something a bit stronger.... but they currently only make them for the JK.

I sent G2 and email asking if they had considered making them for the TJ.
Here is the response I got back :
It is on the Radar, most likely at the end of the year.


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Old 08-25-2014, 01:47 PM   #4
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$6k definitely seems a bit high by any standard unless you are getting a dynatrac with all the bells and whistles.
I would keep those 35s off the d30/d35c combo in the mean time. Very prone to break on the trail.
Lots of options out there - find a used tj d44. go with the 8.8 as recommended above and for the front, I am currently working on a hp44 to replace the d30 (but a rubicon lp44 if you can find it is a good option too)
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Old 08-25-2014, 02:00 PM   #5
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Very happy with my ECGS 8.8!
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Old 08-25-2014, 02:10 PM   #6
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Another thumbs up for the Ford 8.8 rear and chromo axle shafts in front. Gone on three trails that my D30/35 with 31's couldn't handle and it was a blast, plus not having to worry about breaking anything was peace of mind that I cannot say enough about.
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Old 08-25-2014, 03:36 PM   #7
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I did the Ford 8.8 and a cherokee high pinion D30 in the front. Love them. Also had them re geared at the same time for a total of $1900. That included labor since I didnt have the skills to put the 8.8 in.
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Old 08-25-2014, 05:51 PM   #8
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My 8.8 was about that also, $1885 with an Eaton locker. The front, with an Eaton, Yukon shafts, gears and install kit, and installation was over two grand.
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Old 08-26-2014, 12:37 AM   #9
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Where are you guys getting 8.8 axles built so cheap ??
I just built one online at ECGS and it was $3566 (rear only).


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Old 08-26-2014, 07:01 AM   #10
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Where are you guys getting 8.8 axles built so cheap ??
I just built one online at ECGS and it was $3566 (rear only).


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ECGS and I called them and have WAAAYYYYY less than 3566 in it... Granted I went with a brand new limited slip versus a locker but...all new everything else.
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Old 08-26-2014, 07:19 AM   #11
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LetzRoll in Mesa, Az. Off road shop that started out just building F8.8's. He races King of Hammers style on weekends.
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Old 08-26-2014, 01:24 PM   #12
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I got my 8.8 out of a late 90's Explorerer off of Craiglsit for $300. I bought the Cherokee HP Dana 30 off Craigslist also for $225. I paid $550 for the guy to install them. I then paid the same guy $450 to regear both axles while they were out. I put another $150 in aftermarket covers and $50 for a front end alignment. I found out one of the U joints on the HP Dana 30 was bad so had that replaced for $100.

I guess you wouldnt consider my 8.8 "BUILT". All we did was take out the D35 and retrofit the 8.8 in the Jeep.
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Old 08-26-2014, 11:46 PM   #13
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Axle help

So I had to pull the trigger on axels today bought G2 Dana 44s with 4.88 gears and ARB lockers. Had a crack in the front that is leaking so I went ahead and bought the G2s was told they were pretty good axels after talking to several locals and what my plans are. I also had to but a new stearing gear box as that housing was cracked as well decided to go with a PSC with the mechanical pump.
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Old 08-27-2014, 02:58 AM   #14
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Good choice on the Dana 44's. I am one of the few that doesn't like 8.8 Ford rear ends.
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Old 08-27-2014, 10:13 AM   #15
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What's not to like about the F8.8? And the C clip is really a nonfactor
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Old 08-28-2014, 08:32 AM   #16
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One of my biggest problem with a 8.8 is the axle bearings. The bearings don't ride in a bearing race but directly on a standard steel axle. It doesn't take much time for the bearing to wear a groove in the axle. If your axle seals leak the damage is done. The metal from the axle wearing is now eating away at all the bearings in the rest of your rear end.

At least a dana 44 has proper tapered bearings that ride in a hardened bearing race.
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Old 08-28-2014, 03:38 PM   #17
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Mmmm..
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Old 08-28-2014, 04:35 PM   #18
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And the C clip is really a nonfactor
To expand on this comment,

I recently learned that issue with C clips is the the clip is a weak point with holding the axle shafts in.
A c clip DOES become a non issue with disc breaks as the calipers hold the axle in as well. The issue with D35 c clip is they use drum breaks. Thus why 8.8s with disc don't usually have the c-clip paranoia that d35s have
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Old 08-28-2014, 04:44 PM   #19
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Looking at the size of my rear disc breaks, I'd hate to have to rely on them for that.

C-clip eliminators don't take side hits well either. Oh well, everything breaks with enough force
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Old 08-28-2014, 05:24 PM   #20
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either way, the 8.8 has a stronger torque rating than a d44. c clip is a non issue

If a shaft is going to break, it is going to break, whether it is mounted like a 44 or through c clip. The difference between a d44 and a d35 is if the d35 shaft breaks, the shaft comes out of the tube. The difference between a c clip with drum brakes and one with disc brakes, is the axle won't come out of the tube.
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Old 08-30-2014, 01:38 AM   #21
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So update...... Going to go with dynatrac housing a dana 44 front and 60 in the rear. Spending a little more but I'll be happier. Northridge 4X4 is going to custom make them.
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Old 08-30-2014, 07:27 AM   #22
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$6k definitely seems a bit high by any standard unless you are getting a dynatrac with all the bells and whistles.
I would keep those 35s off the d30/d35c combo in the mean time. Very prone to break on the trail.
Lots of options out there - find a used tj d44. go with the 8.8 as recommended above and for the front, I am currently working on a hp44 to replace the d30 (but a rubicon lp44 if you can find it is a good option too)
The rubicon dana 44 and dana 30 use the same u-joint and ball joint. The u-joint is the failing point 99% of the time. They have the same axle tubes and knuckles. They have the same 27 spline outer shaft. The only thing they are really good for is a wider range of available gears. And a dana 30 with good shafts is perfectly fine on a 35" tire.
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Old 08-30-2014, 07:33 AM   #23
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One of my biggest problem with a 8.8 is the axle bearings. The bearings don't ride in a bearing race but directly on a standard steel axle. It doesn't take much time for the bearing to wear a groove in the axle. If your axle seals leak the damage is done. The metal from the axle wearing is now eating away at all the bearings in the rest of your rear end.

At least a dana 44 has proper tapered bearings that ride in a hardened bearing race.
Have not ever seen that one before and I have seen quite a few. There is also the c-clip eliminator which gets rid of that bearing assembly all together. The 8.8 also has a much better hypotic gear offset which makes the contact patch much wider than a dana 44. That's a big increase in strength.
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Old 08-30-2014, 07:37 AM   #24
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To expand on this comment,

I recently learned that issue with C clips is the the clip is a weak point with holding the axle shafts in.
A c clip DOES become a non issue with disc breaks as the calipers hold the axle in as well. The issue with D35 c clip is they use drum breaks. Thus why 8.8s with disc don't usually have the c-clip paranoia that d35s have
It is not really factual that with disc brakes the c- clip axle braking becomes a non issue. You will destroy, or bind the calliper. It's an old wise tail and doubtful it would work for more than a few feet.
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Old 08-30-2014, 07:44 AM   #25
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So update...... Going to go with dynatrac housing a dana 44 front and 60 in the rear. Spending a little more but I'll be happier. Northridge 4X4 is going to custom make them.
Keep your money and build a hp30 front and a 8.8, or dana 44. With a 35" tire you aren't going to hurt them.
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Old 08-30-2014, 08:17 AM   #26
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Where are you guys getting 8.8 axles built so cheap ??
I just built one online at ECGS and it was $3566 (rear only).


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Even with an Ox Locker my estimate is only at $2700, and I'm not skimping out on it. That's with the Artec truss and quite a few other bells and whistles.

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