NP-231 experts. Input gear bearing questions

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Brett M

NAXJA Forum User

Location

Salt Lake City Ut

• Jul 15, 2008

• #1

My question is this. I've got a case from a 1996 XJ, standard NP-231J, 23 spline input. I'm swapping in a SYE from Tera, along with a 2 Low kit. However, being that my Jeep is an 89 Renix rig, my trans is a 21 spline output. I've been able to find a 21 spline thick/wide/larger bearing input gears, but so far no 21 spline narrow bearings, like the one that's already in the case (23 spline inpute, narrow bearing.)

So the question is, can I change out the front support bearing on the case to a wide bearing and use the wide bearing input gear? I know I need the short input gear too, but I can't find much about changing the bearing....

Thanks for you help folks

 

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RCP Phx

NAXJA Forum User

Location

Phoenix,Az

• Jul 16, 2008

• #2

I dont get the question?If your just doing a sye kit and a 2low,just use all your own parts!

 

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Brett M

NAXJA Forum User

Location

Salt Lake City Ut

• Jul 16, 2008

• #3

RCP Phx said:

I dont get the question?If your just doing a sye kit and a 2low,just use all your own parts!

Click to expand...

My XJ uses a AW4 with a 21 spline output on it. The 231 that I picked up is a 23 spline input. I need to find an input gear in 21 spline for the 231.

Does that make more sense?

 

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RCP Phx

NAXJA Forum User

Location

Phoenix,Az

• Jul 16, 2008

• #4

Yes,a little.So why not just switch the SYE and 4lo to your transfer case?

 

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Brett M

NAXJA Forum User

Location

Salt Lake City Ut

• Jul 16, 2008

• #5

RCP Phx said:

Yes,a little.So why not just switch the SYE and 4lo to your transfer case?

Click to expand...

Sorry, forgot to add that the XJ has a 242.....and it's a 2 Low

 

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RCP Phx

NAXJA Forum User

Location

Phoenix,Az

• Jul 16, 2008

• #6

Novak should have it,have you called them?

 

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Brett M

NAXJA Forum User

Location

Salt Lake City Ut

• Jul 16, 2008

• #7

RCP Phx said:

Novak should have it,have you called them?

Click to expand...

Yep, I've talked to Ken there and unforunately, their website is out of date. They don't carry the gear that I need anymore. I've emailed Eric up there to see if he's got a part number or app so I can find one, just waiting to hear back.