D30 Front/D44 Rear Locker Install - Axle Shaft Upgrade? - Jeep Wrangler Forum

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Old 01-28-2014, 09:59 PM   #1
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D30 Front/D44 Rear Locker Install - Axle Shaft Upgrade?

I'm about to pull the trigger on the install of ARB front and rear lockers in my '98 TJ. I have 35" tires and 4.88 gears with the 4.0L. I bought this Jeep with all suspension and gearing upgrades done by the previous owner. The PO was pretty thorough with the list and detail of the upgrades that had been done. Since he never mentioned that the axles had upgraded shafts, I am assuming they are stock.

The shop that I am leaning towards to do the work is quoting me essentially no additional labor charge if I want to upgrade shafts at time of locker install. He is strongly encouraging the upgrade of the front, but says that there isn't much harm in waiting on the rear if I wanted to. My questions are as follows:

1) Should I upgrade the D30 front axle shaft?
2) Should I upgrade the D44 rear axle shaft?
3) Should I go from 27 spline to 30 spline in the front with the upgrade?
4) The shop is quoting me Alloy axle shafts. Is this the way to go?
5) I recently installed a York on board air system. I really don't want to buy a separate compressor, but a couple shops I have talked to encouraged me to buy a small $160 separate compressor to power the lockers. Is this the route that I should go?

Appreciate your help. Looking to get this project done relatively soon.

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Old 01-28-2014, 10:05 PM   #2
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1) definitely
2) depends on your kind of wheeling. Rock crawling maybe depending on the course. Trails and mud, nah.
3) same as 2 but usually the shafts break first at the ears.
4) since superior is gone, I think the consensus is the rest are pretty much the same
5) I have no clue.

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Old 01-28-2014, 10:07 PM   #3
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I run alloy with my front dana 30 on 35's locked...but its a HP30.. seems to hold up well.. I like the 27 spline as I can use the stock shafts as spares or can find someone on the trail with a spare vs 30splines which means I have to spend more and chances are no one is running one that will work... rear 44 is good in stock form for 35's.
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Old 01-28-2014, 10:15 PM   #4
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Quote:
Originally Posted by BLK00TJ View Post
1) definitely
2) depends on your kind of wheeling. Rock crawling maybe depending on the course. Trails and mud, nah.
3) same as 2 but usually the shafts break first at the ears.
4) since superior is gone, I think the consensus is the rest are pretty much the same
5) I have no clue.
The type of wheeling I do is rock crawling. I'm still in my 1st year of Jeepin, but I have pushed myself pretty good. Intent is to keep pushing into more difficult trails.

Thanks for the input.
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Old 01-28-2014, 10:20 PM   #5
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Quote:
Originally Posted by 4Jeepn View Post
I run alloy with my front dana 30 on 35's locked...but its a HP30.. seems to hold up well.. I like the 27 spline as I can use the stock shafts as spares or can find someone on the trail with a spare vs 30splines which means I have to spend more and chances are no one is running one that will work... rear 44 is good in stock form for 35's.
Never thought of the aspect of being able to find replacement shafts on the trail and which one would be more common. I guess my intent is to beef them up so I don't break them at all!
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Old 01-28-2014, 10:22 PM   #6
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Do I want C-Clip eliminators? I really don't know much about them, but had them recommended from a fellow Jeeper.
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Old 01-28-2014, 10:24 PM   #7
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Quote:
Originally Posted by JeePeters View Post
Do I want C-Clip eliminators? I really don't know much about them, but had them recommended from a fellow Jeeper.
His axles don't have C-clips although it can be a good safety upgrade for Dana 35 or other C-clip axles.
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Old 01-28-2014, 10:37 PM   #8
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His axles don't have C-clips although it can be a good safety upgrade for Dana 35 or other C-clip axles.
To clarify, are you saying that my axles don't have C-clips? Thinking "His" in your post might have been typo?
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Old 01-28-2014, 10:38 PM   #9
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Originally Posted by JeePeters View Post

To clarify, are you saying that my axles don't have C-clips? Thinking "His" in your post might have been typo?
Sorry, yes I meant you don't need them.Dana 30's and 44's don't have C-clips
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Old 02-01-2014, 09:47 PM   #10
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Well, the parts will be on order Monday and will have everything installed in the next 2 weeks. Went with ARB lockers, ARB compressor (was talked into not using York OBA to run lockers), and upgraded G2 axles. It's only money, right???

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