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1.3l into a 1l/1l 5 speed.
https://auszookers.com/forum/viewtopic.php?f=5&t=33191		 Page 1 of 1
Author:  sideways [ Tue Jun 05, 2012 3:40 pm ]
Post subject:  1.3l into a 1l/1l 5 speed.
Hey guys.

I'm not wanting to put a 1.3l into my SJ40, just the "big case" gearbox (same as 1.3l gearbox) with a 5 speed gearset in it. I figure many more people have done this by putting the 1.3l and gearbox in, hence the title.

Short of cutting the trans tunnel out of a 1.3l tub, what does it take to put the big box into an early 1l with the small trans tunnel? I don't want to body lift it.

I figure this gearbox with it's lower 1st (the 3.1:1 first I have now is driving me nuts!) and over drive 5th coupled with 4.88:1 LJ50 diff gears will give me a better crawl ratio whilst maintaining good gearing for sand and a good high range.

Thanks

Hayden
Author:  Jackson [ Tue Jun 05, 2012 5:04 pm ]
Post subject:  Re: 1.3l into a 1l/1l 5 speed.
Hey,

I'm pretty sure you can't use the g13 gearbox but if you get a type 3 1ltr gearbox or a maruti 1ltr gearbox it will have the same size rear housing as the 1.3 box and you can swap the gear set from the 1.3 box into the 1ltr box.

I don't know the ins and outs of this but I do intend to give it a try eventually, Benchai on here has done it and might be able to tell you the specifics of doing it.

Also apparently a maruti 1tr 5speed exists but I imagine these are hard to find, heres a link about rebuilding a gearbox http://nbs4x4club.com/forum/index.php?topic=12545.0
Author:  want33s [ Tue Jun 05, 2012 5:12 pm ]
Post subject:  Re: 1.3l into a 1l/1l 5 speed.
Hayden, I'd get a tape measure out and go over the 4 speed and then the 5 speed.
I think it will fit without any mods to the tunnel but not 100%
Author:  sideways [ Tue Jun 05, 2012 11:23 pm ]
Post subject:  Re: 1.3l into a 1l/1l 5 speed.
Jackson wrote:
Hey,

I'm pretty sure you can't use the g13 gearbox but if you get a type 3 1ltr gearbox or a maruti 1ltr gearbox it will have the same size rear housing as the 1.3 box and you can swap the gear set from the 1.3 box into the 1ltr box.

I don't know the ins and outs of this but I do intend to give it a try eventually, Benchai on here has done it and might be able to tell you the specifics of doing it.

Also apparently a maruti 1tr 5speed exists but I imagine these are hard to find, heres a link about rebuilding a gearbox http://nbs4x4club.com/forum/index.php?topic=12545.0


Yeah, I know about the gearboxes. I'm hoping to get a Maruti one and swap the internals from a 1.3l. :)

Thanks for the link, that's very helpful! :D :D That actually looks a lot more pain free than I thought it was going to be! I thought you'd have to fab a new cross member or at least modify it quite a bit.

want33s wrote:
Hayden, I'd get a tape measure out and go over the 4 speed and then the 5 speed.
I think it will fit without any mods to the tunnel but not 100%


I would be doing just that If I had a 5 speed. :lol: But it does look like it'l fit. :D :D Should be getting a SJ70 soon (just gotta man up and go and knock on their door....) so measurements away. :)

Thanks

Hayden
Author:  Jackson [ Wed Jun 06, 2012 2:15 am ]
Post subject:  Re: 1.3l into a 1l/1l 5 speed.
sideways wrote:

Yeah, I know about the gearboxes. I'm hoping to get a Maruti one and swap the internals from a 1.3l. :)

Thanks for the link, that's very helpful! :D :D That actually looks a lot more pain free than I thought it was going to be! I thought you'd have to fab a new cross member or at least modify it quite a bit.


Yeah you don't need a new cross member, just a new mount and a 1.3 jack shaft. Hopefully I'll get around to doing mine soon so I'll let you know how it goes.]

Also in my talkings with Benchai I don't think he said he had to widen the tunnel.
Author:  tonyevans [ Wed Jun 06, 2012 1:01 pm ]
Post subject:  Re: 1.3l into a 1l/1l 5 speed.
want33s wrote:
Hayden, I'd get a tape measure out and go over the 4 speed and then the 5 speed.
I think it will fit without any mods to the tunnel but not 100%

Mine fitted in easy but I used the 1.3 motor as well.
Author:  sideways [ Wed Jun 06, 2012 11:32 pm ]
Post subject:  Re: 1.3l into a 1l/1l 5 speed.
Jackson wrote:
sideways wrote:

Yeah, I know about the gearboxes. I'm hoping to get a Maruti one and swap the internals from a 1.3l. :)

Thanks for the link, that's very helpful! :D :D That actually looks a lot more pain free than I thought it was going to be! I thought you'd have to fab a new cross member or at least modify it quite a bit.


Yeah you don't need a new cross member, just a new mount and a 1.3 jack shaft. Hopefully I'll get around to doing mine soon so I'll let you know how it goes.]

Also in my talkings with Benchai I don't think he said he had to widen the tunnel.


This is just sounding way to easy. 8O Please do it and document it! My gearbox jumping out of second gear and high first gear are driving me nuts so I'd like to do mine ASAP too. :)

tonyevans wrote:
want33s wrote:
Hayden, I'd get a tape measure out and go over the 4 speed and then the 5 speed.
I think it will fit without any mods to the tunnel but not 100%

Mine fitted in easy but I used the 1.3 motor as well.


That's what I like to hear. 8)

Thanks

Hayden
Author:  Benchai [ Thu Jun 07, 2012 6:23 pm ]
Post subject:  Re: 1.3l into a 1l/1l 5 speed.
It'll fit no problems. If you are going to adapt a type 3 box with 1.3 internals drop me a pm and I'll help as much as I can
Author:  sideways [ Fri Jun 08, 2012 8:57 am ]
Post subject:  Re: 1.3l into a 1l/1l 5 speed.
Benchai wrote:
It'll fit no problems. If you are going to adapt a type 3 box with 1.3 internals drop me a pm and I'll help as much as I can


Will do. Armsup
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