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Unread 09-15-2013, 08:42 AM   #1
Curtis32
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Welded front diff

Just wondering if any one has welded a front diff on a d30 in a YJ 89 model. I'm planing on a change out but getting funds together to buy new complete axle assembly and wanted to try welding diff

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Unread 09-15-2013, 09:01 AM   #2
Tom95YJ
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Quote:
Originally Posted by Curtis32
Just wondering if any one has welded a front diff on a d30 in a YJ 89 model. I'm planing on a change out but getting funds together to buy new complete axle assembly and wanted to try welding diff
No just No !

If you weld it don't try to turn especially on the street . I wouldn't even do it on a trail rig. It's just an idiotic idea. I'd weld a D35 before I ever welded a front axle.
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Unread 09-15-2013, 09:10 AM   #3
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I don't recommend it but I know a number of folks who do for their trail rigs. Most have manual hubs though and will readily admit that a welded front can be harsh on the trail.
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Unread 09-15-2013, 09:11 AM   #4
Curtis32
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I was just wondering haven't heard of any one doing it before. And it's strictly a trail rig.
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Unread 09-15-2013, 09:15 AM   #5
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Quote:
Originally Posted by Curtis32 View Post
I was just wondering haven't heard of any one doing it before. And it's strictly a trail rig.
Do you still have the stock disconnect on the front axle? That may help if you decide to go this route because it will unlock the front wheels so you can turn.
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Unread 09-15-2013, 09:18 AM   #6
Curtis32
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Quote:
Originally Posted by Louie4

Do you still have the stock disconnect on the front axle? That may help if you decide to go this route because it will unlock the front wheels so you can turn.
No I don't have locking Hubs. It is all stock assembly
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Unread 09-15-2013, 09:29 AM   #7
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Originally Posted by Curtis32 View Post
No I don't have locking Hubs. It is all stock assembly
Like I said, I wouldn't do it but my jeep goes on the road and the trail.
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Unread 09-15-2013, 09:31 AM   #8
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Quote:
Originally Posted by Tom95YJ

No just No !

If you weld it don't try to turn especially on the street . I wouldn't even do it on a trail rig. It's just an idiotic idea. I'd weld a D35 before I ever welded a front axle.
He's got the stock vacuum disconnect so he won't feel it until 4wd is engaged

OP if you want to try something cheap hit up the junkyard for a Volvo d30 limited slip carrier. Should be a cheaper route than locker
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Unread 09-15-2013, 09:44 AM   #9
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as long as your CAD is working you can do it. your drive shaft will turn all the time and if it vibrates you will have to get it balanced.
personally I wouldn't do it as I've seen welds break and destroy the gears.
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Unread 09-15-2013, 10:00 AM   #10
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On a strictly trail rig that'll never even cross a street it will be advisable to get an unreliable posilock to give some control of the turning situation. Once you weld it, have another, better plan to replace it. It isn't gonna last very long.
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Unread 09-15-2013, 10:37 AM   #11
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You can do it but it will suck. I have manual hubs on mine with a welded front. I wouldn't do it if you wheel on any sort of rocks or grippy surface. Almost all of my trails are slippery so I can still turn. With traction you won't be able to turn

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build thread:
[url]http://www.jeepforum.com/forum/f22/94-yj-6-0-build-spud-1218315/[/url]
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my on board alternator/welder write up
[url]http://www.jeepforum.com/forum/f12/alternator-welder-write-up-1301614/[/url]
my tj 1/2 doors on a yj write up
[url]http://www.jeepforum.com/forum/f12/tj-uppers-yj-half-doors-hard-top-installation-1417686/[/url]
RC vs BDS
[url]http://www.jeepforum.com/forum/f12/rough-country-vs-bds-1461555/[/url]
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Unread 09-15-2013, 11:40 AM   #12
Curtis32
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I do have a postive lock system installed and I am planing on a change out. I have the 8.8 rear and just working on getting the D44 for the front. But Im ready to get back on the trails until the D44 arrives and was wanting to try. I thank you all for your advise. Know when you all say wont turn do you mean it will be a hard to turn or it just wont turn?
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Unread 09-15-2013, 11:41 AM   #13
Ripper3494
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with traction it won't turn. if i'm not moving on a surface with good traction, i can not turn
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build thread:
[url]http://www.jeepforum.com/forum/f22/94-yj-6-0-build-spud-1218315/[/url]
1994 yj stretched, locked and loaded - 6.0l vortec lq4, 4l60e, np231, Dana 44s 37" interco trxus m/t, 3.5" bds front leafs, double triangulated 4 link rear on xj front coils.
1997 ZJ limited - BONE stock
2003 tj - 4in skyjacker, 33" mickey thompsons
my on board alternator/welder write up
[url]http://www.jeepforum.com/forum/f12/alternator-welder-write-up-1301614/[/url]
my tj 1/2 doors on a yj write up
[url]http://www.jeepforum.com/forum/f12/tj-uppers-yj-half-doors-hard-top-installation-1417686/[/url]
RC vs BDS
[url]http://www.jeepforum.com/forum/f12/rough-country-vs-bds-1461555/[/url]
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Unread 09-15-2013, 11:44 AM   #14
Curtis32
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So it I want to take the rock I'm better with just leaving it alone and have the limited slip on front and the locker on the rear. Thanks for your help
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Unread 09-15-2013, 11:49 AM   #15
roadyrob
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Quote:
Originally Posted by Curtis32 View Post
I do have a postive lock system installed and I am planing on a change out. I have the 8.8 rear and just working on getting the D44 for the front. But Im ready to get back on the trails until the D44 arrives and was wanting to try. I thank you all for your advise. Know when you all say wont turn do you mean it will be a hard to turn or it just wont turn?
do you mean posi-lok? you can disengage the posi lok, you will have 3 wheel drive and be able to turn, then engage the posi-lok. not the best system but it works.
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