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Potential for manual tranny swap on '04 GC

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Old Feb 22, 2024 | 09:28 AM
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Default Potential for manual tranny swap on '04 GC

Hey guys, first time on the forum and first time considering heavy work on my GC. I've seen a couple of threads on WJ auto > manual swaps, but I suspect I'll have some more issues making it work with my stock jeep. It's the limited package with a 4.0 and 247 TC. Will I need to replace the T-case with the tranny or will it bolt back up properly? Thanks in advance.

PS: I know it's a complicated project, i'm comfortable with the risks and difficulties of modification and fabrication.
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Old Feb 22, 2024 | 11:47 AM
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The NP247 is a garbage transfer case so I would change it out regardless.
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Old Feb 22, 2024 | 12:32 PM
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Thanks for the reply. What exactly makes it bad? I admit that I have little knowledge in this area, but it's performed very well for me so far.
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Old Feb 22, 2024 | 01:55 PM
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Amusingly, immediately after posting this, I come to find out that my wj has just eaten another front prop CV after <30,000 miles since replacement. Yay.
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Old Feb 26, 2024 | 10:52 PM
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A CV style shaft or a cardan style. You can upgrade with a junkyard shaft and yoke for about 50-75 bucks
The pedals will be a large obstacle. Are you in an area that has emissions testing?
It will most likely have a constant check engine light with no input from the transmission.
Are you thinking an AX-15 or NV3550?
Ron

Last edited by may pop; Feb 26, 2024 at 10:59 PM.
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Old Mar 4, 2024 | 01:51 PM
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Originally Posted by Voychek
Thanks for the reply. What exactly makes it bad? I admit that I have little knowledge in this area, but it's performed very well for me so far.
Clutches in it wear out, no 2wd and no locked 4x4 high.
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