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Unread 03-20-2013, 07:55 PM   #1
Forge04
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1991 YJ Wrangler 
 
Join Date: May 2009
Location: Waihawa, HI
Posts: 76
Transfer swap: NP249 to NP232

I know there are a ton of threads and subjects dedicated to this already. My questions are detailed.

I have a NP249 that is done and dead. It's input shaft is 23 spline. I have the tags w/dates in this order: dead NP249, newer NP231, newer NP249.

Based off of these tags, will the NP231 bolt right in?

image-115134107.jpg   image-3123923901.jpg   image-146874311.jpg  
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Unread 03-20-2013, 07:57 PM   #2
Forge04
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1991 YJ Wrangler 
 
Join Date: May 2009
Location: Waihawa, HI
Posts: 76
Also, I'm headed to the junkyard to get one of those within the hour.

The newer NP249 is out of a ZJ. The newer NP231 is out of an XJ. Unknown years and engines.

My other thought, I should be able to switch input shafts as a last resort correct?
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Unread 03-20-2013, 08:00 PM   #3
Forge04
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1991 YJ Wrangler 
 
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Thirdly, feel free to text replies as well as post them 208-8eight0-9862
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Unread 03-22-2013, 12:40 AM   #4
seattle_yj
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1993 YJ Wrangler 
 
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Location: Issaquah, WA
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Quote:
Originally Posted by Forge04
I know there are a ton of threads and subjects dedicated to this already. My questions are detailed.

I have a NP249 that is done and dead. It's input shaft is 23 spline. I have the tags w/dates in this order: dead NP249, newer NP231, newer NP249.

Based off of these tags, will the NP231 bolt right in?
I think you were the one from another thread on this and I may have already stated this info. My only advice is that you match the input shafts. There are 3 lengths, 2 bearings widths, 2 gear cuts, 2 spline counts. None of which are interchangeable.

Your drive shaft lengths may be different as well.
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Unread 03-22-2013, 01:20 PM   #5
Forge04
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1991 YJ Wrangler 
 
Join Date: May 2009
Location: Waihawa, HI
Posts: 76
I was yeah. I was just looking for someone that could look at those tags and give me an answer. I was on the road

Thanks though!

I'll put the resolution in that other thread.
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