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4GEN Liberty 6 speed into 3GEN Liberty B4


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#21 duncanm

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Posted 22 February 2018 - 02:23 PM

Double check its actually a 3.9. It could be a 3.9 with the 1.1:1 drop gear meaning you need a 3.54 rear diff

 

or swap the transfer gear?



#22 LukeFranky

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Posted 23 February 2018 - 09:15 AM

Just realised this box needs male drive shafts. Assumed it didn't based on the year model, but some Google searches suggest otherwise.

 

Firstly, what drive shafts do I need to get?

 

Secondly, is making a hybrid shafts easy enough? No special tools needed?


The B4 Bomber - 2002 MY03 Subaru Liberty B4, ADM, Manual, EJ208. 


#23 Barbbachello

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Posted 23 February 2018 - 09:27 AM

Just realised this box needs male drive shafts. Assumed it didn't based on the year model, but some Google searches suggest otherwise.

 

Firstly, what drive shafts do I need to get?

 

Secondly, is making a hybrid shafts easy enough? No special tools needed?

Can use the male GD driveshafts but without the wider control arms they might be a bit funny. 

You can convert the box to stubs with auto parts. Under "A Must when fitting a six speed:"

http://www.gotitrex....x-sti-forester/


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#24 LukeFranky

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Posted 23 February 2018 - 09:41 AM

Can't use the stubs from a manual 5 speed box?


The B4 Bomber - 2002 MY03 Subaru Liberty B4, ADM, Manual, EJ208. 


#25 Barbbachello

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Posted 23 February 2018 - 10:17 AM

Can't use the stubs from a manual 5 speed box?

Not that I know of, dont know why either lol. Different retention method on the inside probably. Some late GG wagon shafts might work out of the box as they should be male shafts without the wider track


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#26 LukeFranky

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Posted 23 February 2018 - 10:42 AM

I assume these are the matching shafts I'd need:

https://www.ebay.com...4kAAOSwtVxaJ-KU

 

I'll order them once the box arrives (to double check it actually needs male shafts), then see if I can make hybrid shafts. 3k is quickly becoming more...


The B4 Bomber - 2002 MY03 Subaru Liberty B4, ADM, Manual, EJ208. 


#27 Barbbachello

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Posted 23 February 2018 - 12:17 PM

I assume these are the matching shafts I'd need:

https://www.ebay.com...4kAAOSwtVxaJ-KU

 

I'll order them once the box arrives (to double check it actually needs male shafts), then see if I can make hybrid shafts. 3k is quickly becoming more...

Theyll work yeah. Might have some issues with them wearing a bit faster with the narrower track however


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#28 LukeFranky

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Posted 23 February 2018 - 12:30 PM

Theyll work yeah. Might have some issues with them wearing a bit faster with the narrower track however

Do you mean to say they can't be used to make hybrid shafts out of these and my current set? Wouldn't combining the two sets mean they won't have a wider/narrower track?


The B4 Bomber - 2002 MY03 Subaru Liberty B4, ADM, Manual, EJ208. 


#29 Barbbachello

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Posted 23 February 2018 - 12:35 PM

Do you mean to say they can't be used to make hybrid shafts out of these and my current set? Wouldn't combining the two sets mean they won't have a wider/narrower track?

Dont know about hybrid front shafts. It can be done in the rear. Way cheaper to just convert the box to use axle stubs (under $100) and then no issues with width


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#30 LukeFranky

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Posted 23 February 2018 - 12:40 PM

Dont know about hybrid front shafts. It can be done in the rear. Way cheaper to just convert the box to use axle stubs (under $100) and then no issues with width

Where can I find these axle stubs for under a $100? GotItRex have them for a bit more than that but are out of stock.


The B4 Bomber - 2002 MY03 Subaru Liberty B4, ADM, Manual, EJ208. 


#31 LukeFranky

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Posted 23 February 2018 - 12:46 PM

My Googling skills must be getting rusty.

 

Looks like this is a part number 38415AA030. Any idea what seals I'm looking for?


The B4 Bomber - 2002 MY03 Subaru Liberty B4, ADM, Manual, EJ208. 


#32 surge

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Posted 23 February 2018 - 08:25 PM

I had come across a cheap 5GEN one but would be pointless upgrading to that.
 


If you're not buying that one, how much was it if you don't mind me asking ?

#33 LukeFranky

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Posted 23 February 2018 - 09:15 PM

2k.

The B4 Bomber - 2002 MY03 Subaru Liberty B4, ADM, Manual, EJ208. 


#34 LukeFranky

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Posted 25 February 2018 - 11:49 AM

Looks like I need to replace my clutch while I'm at it. Not much life left in it. Should I just stick to a 5 speed clutch?

 

EDIT: Decided there was enough meat left in it that I wanna be a cheap skate and leave it in until it starts slipping.


The B4 Bomber - 2002 MY03 Subaru Liberty B4, ADM, Manual, EJ208. 


#35 LukeFranky

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Posted 27 February 2018 - 04:10 PM

So I have the gearbox here now. Definitely a female front diff.

 

The stubs out of my five speed seem to fit. The slide in perfectly but obviously need some sort of clip to keep them in place. Needs further investigation, but I wonder if I get the right type of circlip if the stub will slide in and lock into place in much the same way the male drive shafts do. I don't see why they couldn't?


The B4 Bomber - 2002 MY03 Subaru Liberty B4, ADM, Manual, EJ208. 


#36 LukeFranky

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Posted 28 February 2018 - 07:08 AM

Looks like the clip will be the tricky bit. Might see if I can just get auto stubs.


The B4 Bomber - 2002 MY03 Subaru Liberty B4, ADM, Manual, EJ208. 


#37 Barbbachello

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Posted 28 February 2018 - 09:52 AM

Youll need the right oil seals too


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#38 LukeFranky

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Posted 28 February 2018 - 02:53 PM

Thanks for the pointers.

 

Have you done the same stub conversion?

 

Is it necessary to split the box open or do the auto stubs with the circlips just slide into straight into the gearbox and clip into the recess?

 

For the seals I assume I can just mark the position of the preloads, remove them, install the seals, reinstall the preloads back to the correct position?


The B4 Bomber - 2002 MY03 Subaru Liberty B4, ADM, Manual, EJ208. 


#39 Barbbachello

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Posted 28 February 2018 - 08:21 PM

Thanks for the pointers.

 

Have you done the same stub conversion?

 

Is it necessary to split the box open or do the auto stubs with the circlips just slide into straight into the gearbox and clip into the recess?

 

For the seals I assume I can just mark the position of the preloads, remove them, install the seals, reinstall the preloads back to the correct position?

Not yet but I will be

Yeah they should just clip in

 

and yeah thats how you change them.


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#40 LukeFranky

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Posted 01 March 2018 - 09:34 AM

Been speaking to Got It Rex about the out of stock auto stubs. They relisted the parts as a kit with stubs, seals and circlips, but repriced them at $330 + 50ish postage...

 

Adding seals and circlips shouldn't add over $200 to the price so might do my best to make the manual stubs to fit. No need for new seals if I do that as my manual ones fit nicely with the current ones which appear to be in good nick.


The B4 Bomber - 2002 MY03 Subaru Liberty B4, ADM, Manual, EJ208. 





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