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Manual tranny swap??

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Old Aug 2, 2010 | 04:26 AM
  #1  
92offroad's Avatar
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From: Fresno, Ca
Year: 1992
Model: Cherokee
Engine: 4.0 I6
Default Manual tranny swap??

I wanna swap out my auto for a 5 speed, what trans should i get? what all do i need to make this happen? what tranny will work with my motor? will my np242 still be compatible?
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Old Aug 2, 2010 | 08:20 AM
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Caish's Avatar
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From: Arkansas
Year: 1987 & 1996
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Parts your going to need:
  • Transmission
  • TansferCase (5 speed is 23 spline Automatic is 21 Spline)
  • flywheel
  • Clutch and Pressure plate.
  • Clutch master Cylinder and lines to the ThrowOut bearing/slave cylinder.
MAybe drive shafts, I can't say the Automatic is the same length as the Standard.

Last edited by Caish; Aug 2, 2010 at 08:21 AM. Reason: to correct a mistake.
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Old Aug 2, 2010 | 08:31 AM
  #3  
CodeXJ's Avatar
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From: Port Orange, FL
Year: 1993, 1994
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Engine: 4.0L HO
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Originally Posted by Caish
Parts your going to need:
  • Transmission
  • TansferCase (5 speed is 23 spline Automatic is 21 Spline)
  • flywheel
  • Clutch and Pressure plate.
  • Clutch master Cylinder and lines to the ThrowOut bearing/slave cylinder.
MAybe drive shafts, I can't say the Automatic is the same length as the Standard.
The transfer case is different between autos and manuals? Good to know.
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Old Aug 2, 2010 | 08:36 AM
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Iant333's Avatar
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From: Guilderland NY
Year: 2001
Model: Cherokee
Engine: 4.0L I6 w/ K&N and bored TB
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Originally Posted by CodeXJ
The transfer case is different between autos and manuals? Good to know.

Im pretty sure that was only back in the 80's.


And an amazing write up here,


http://naxja.org/forum/showthread.php?t=1013850
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Old Aug 2, 2010 | 08:51 AM
  #5  
Caish's Avatar
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From: Arkansas
Year: 1987 & 1996
Model: Cherokee
Engine: 4.0
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The Better 5 speed AX15 uses a 23 Spline, if you get the weaker tranny you can just bolt it up but if your going to do the swap, why would you want to go with a lighter tranny?

I forgot to mention above you'll need a pilot bearing too.

http://www.novak-adapt.com/knowledge...nput_gears.htm



Last edited by Caish; Aug 2, 2010 at 08:53 AM.
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Old Aug 2, 2010 | 02:47 PM
  #6  
92offroad's Avatar
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From: Fresno, Ca
Year: 1992
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what about the harness? am i going to need to change the computer?

and would an np231 be the better bet for a tcase?
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