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Unread 03-14-2007, 02:04 PM   #1
mbe25
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transfer case in the 4.0 swap..

interesting situation i think...

the np231 with the 23 spline was in my yj with the 2.5. i dont know why it was but it is.. i thought they are always the 21 in the 4 cylinders..but anyway..

i got an aw4 out of a cherokee and the input shaft on the transfercase is too long and it bottoms out in the tranny when you try to mate them. i dont know why this is happening, as i thought they were all the same.

i think im going to try and cut the dam thing. what could possible happen bad? if i take the time to cut it neatly and file the edges, the bolt patter on the housing lines up and the splines mesh perfectly....


input?

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Unread 03-18-2007, 01:28 PM   #2
mbe25
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bump. please
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Unread 03-19-2007, 01:15 PM   #3
mbe25
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ok so maybe at least someone can tell me if they have heard of this problem.
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Unread 03-19-2007, 01:37 PM   #4
mbe25
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either this solution or get a custom "adapter spacer plate" made from some high end billet aluminum, which i am quite sure this would be expensive...
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Unread 03-19-2007, 01:53 PM   #5
mbe25
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ok, i found some info out, if ANYONE cares...

the tf999 which is what was behind my four banger comes with a np231 with a long shaft, and on the aw4, they are short..

http://www.novak-adapt.com/knowledge/np231.htm
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Unread 03-19-2007, 02:05 PM   #6
1rockhead
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On Stu Olson's website they had a similar problem and cut it down.
stu-offroad.com
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Unread 03-22-2007, 11:28 AM   #7
mbe25
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i was going to just cut mine down, but then a friend brought up a good point. if it isnt cut perfectly straight, it will be out of balance and that could lead to some bad vibrating..
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