NP249 Input shaft Compatible with AX15/NP231 Combo? - Page 2 - JeepForum.com
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Unread 05-26-2011, 01:54 PM   #16
ratmonkey
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correct. 1.550" input on the 46rh, the 545rfe also uses a 1.550" input with 23spl.

fun fact, any trans that will bolt to a magnum motor will bolt to a 4.7l powertech motor.

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Unread 05-26-2011, 02:15 PM   #17
speedbucket
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Originally Posted by ratmonkey View Post
correct. 1.550" input on the 46rh, the 545rfe also uses a 1.550" input with 23spl.

fun fact, any trans that will bolt to a magnum motor will bolt to a 4.7l powertech motor.
wait a second? does than mean a WJ 4.7 with the545rfe and a 242 would give me a direct swap for my 249?
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V8 zj at 6" . Double tri rear and true 3 link front. Stretched to 108"
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Unread 05-26-2011, 03:27 PM   #18
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Originally Posted by ratmonkey View Post
line up inputs side by side.

i think the ax-15 takes a .840 exposed input shaft. check the tj forum, they'd know better than here. the only auto grands that DIDN'T have that length exposed shaft were the early v8's.
You mean the AX-15 uses the .840 exposed input shaft out of the 231, the 249, or both? (Let's assume that the .840 is correct.) I guess what I'm asking is will the exposed shaft's length be reduced between Transfer Cases?
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Unread 05-26-2011, 04:54 PM   #19
ratmonkey
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Originally Posted by speedbucket View Post
wait a second? does than mean a WJ 4.7 with the545rfe and a 242 would give me a direct swap for my 249?
No vss on the wj cases. Otherwise it swaps.


Exposed input lengths are universal in the nv/np transfer cases.
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Unread 05-26-2011, 05:17 PM   #20
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No vss on the wj cases.
who needs a speedo anyways, im just slightly intimidated by swapping inputs

although i did have a buddy that could consistently guess within 5 mph of his speed by the pitch of TSLs. it was impressive to watch
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