Hello all!
Rather new to posting on the board ..... Lurked for more years than I'd like to admit. Looking at picking up an LT-230 for my conversion from the borg warner box. I have found good info on the conversion:

http://www.roverunited.com/tech/land-rover-lt-230-transfer-case/land-rover-lt-230-conversion.htm

-The site says that one should use one out of a disco, how about a D-90?
-Problem is, I don't know what a used LT-230 is worth?
-... sans linkage, cable, and frame mounts?
-Can I reuse any of the above in some way?

Thanks,
Brett
94 Classic LWB
72 SIII 88

[QUOTE=Pasatiempo]Hello all!
Rather new to posting on the board ..... Lurked for more years than I'd like to admit. Looking at picking up an LT-230 for my conversion from the borg warner box. I have found good info on the conversion:

http://www.roverunited.com/tech/land-rover-lt-230-transfer-case/land-rover-lt-230-conversion.htm

-The site says that one should use one out of a disco, how about a D-90?
-Problem is, I don't know what a used LT-230 is worth?
-... sans linkage, cable, and frame mounts?
-Can I reuse any of the above in some way?

you can use the LT 230 from a D-90 or a disco 1 or a range rover classic as long it is a 1.2 ratio you can use any,

you will also need to change the front propshaft, RH mount, handbrake linkage and fit a diff lock and hi/lo linkage,

Thanks Dave,
The case I'm looking at is a 1.2 out of a 94 D-90 here in the states. I actually have plans to get into the case and throw in your crawler gears for the low-ratio. Perhaps I should give you a call...

Still, what would one purchase a used lt-230 for? My guess, 300 with e-brake, is that reasonable.

Thanks everybody,
Brett
94 Classic LWB
72 SIII 88

you can use the LT 230 from a D-90 or a disco 1 or a range rover classic as long it is a 1.2 ratio you can use any

Dave,

Not trying to second-guess you but I was under the impression that you could use the 1.4 transfer case as well. I know of at least a couple of RRC’s that were converted from the B&W transfer case to the 1.4 LT 230 here in Colorado.

If the 1.4 works I would also assume that the 1.6 would also work correct?

Good point Dave_Lucas,
I am in Colorado myself, Boulder actually. I as well have heard of the 1.4 fitting. Would work well for my high range as I have yet to get 4.11's for my 265 tires. Could one change a 1.2 to 1.4 economically ($?)

Question still stands:
-Price of a used LT-230?

Brett,
94 Classic LWB
72 SIII 88

Question still stands:
-Price of a used LT-230?

Brett,
94 Classic LWB
72 SIII 88

East coast prices seem to be between $350-550

Alright, thanks Nomar,
That's about what I was thinking. Anybody have any experience out west or along the Rockies?

Prior questions still stand if you got answers...

Thanks,
Brett
94 Classic LWB
72 SIII 88

I paid more but mine was a rebuilt, not just 2nd hand number. Lower miles, maybe more. Not a hard swap, once you know what you are doing.
My dumbass took a little longer. Could do it in my sleep now...

Thanks cptyarderho,
Sounds like you have the install dialed. Could your sleepy mind expand on your experiences with the project. What linkage did you use for shifter and ebrake?

Brett
94 Classic LWB
72 SIII 88

Get the t-case with the DI shifter link and the parking brake assembly, it is much easier. IF you can, get your hands on a tranny lift, the angle is pretty steep for a regular jack lift unless you fab up a mount. I learned the trick for getting the new case on easily is to pull the back of the upper casing off, slide the top gears out and avoid trying to line up the splines. When the case is on, it is easy to slide the gears back in and remount the case cover, just seal it correctly. I posted up as I stumbled along after doing some searching here at PBB.
http://www.pirate4x4.com/forum/showthread.php?t=320418&highlight=lt230+swap

just search for lt230 swap. Let me know if you have any questions.

Hi,

I´ve read the old threads and am still puzzled about the right hand gearbox mount.

When I put in the LT230 in place of the B/W I´ve had got a mount from a DiscoveryI. But that didn´t fit - it just wasn´t level with the other side so that the T-case´s weight was only carried by one side. (BTW: I´m talking about the mount that is bolted to the chassis). I then got another mount from a 90" (was been advised to use that) but same problem (it had another problem in addition - it was from a 300tdi which has the engine-t-box not parallel to the fram but the engine placed higher, in a raising line).
At last I kept the mount that came with the B/W box from the factory. It seemed to fit right (though the plane for the rubber is steeper that on the Disco/90 mounts). Obviously it works well except for vibrations (feel like a "sinus-curve") at ad certain speed (from about 45-48mph).

Which mount now IS correct ??? :(

pics! something doesn't sound right. the transfer should be slightly "clocked" on the passenger side, i.e. the mounting surface is higher than on the drivers side, IIRC. I ordered a disco I mount brand new from the dealership for my conversion and it bolted right up. could it be that your old b/w mount was booty fab? also, you mention "right hand" - the drivers side mount is the same between b/w and LT230, it's the passenger side that's different. just clarifying that we've got the right side here ;) i can run out and snap a pic of both the b/w and the lt230 mounted if it would help.

cheers

Thanks again cptyarderho,
Good info, might have to resurface this thread at a later date to pick your brain a bit more.

SeaRover, I know I would love to see some pics...

Thanks,
Brett
94 Classic LWB
72 SIII 88

found this one in my archives. you can see the new mount, shinny paint 'n all. this is looking toward the front of the truck.

http://nwrovers.com/pics/albums/LT230SE-add-speedo-gear/DSCN0009.sized.jpg

I did my swap using the "Q" box from a Discovery II. this necessitated switching the output shaft and housing to be able to drive the vehicle speed sensor (VSS) and keep the speedo workin', too.

i'll grab some from the b/w tomorrow; it's cold and rainy out there right now :flipoff2:


working conditions! it was raining when I did this job. in case some of you are gettin' weak and not planning on doing this because you never have a shop or the right time to do it - get crackin' ;)

http://nwrovers.com/pics/albums/LT230SE-add-speedo-gear/DSCN0014.sized.jpg

SeaRover, thanks ! I´m regaining hope to solve what I thought I just had to accept.

I will try and make pics, as soon as I manage to get under the RRC.

The nice black mount that your pic shows looks very much like the one I´ve had and still use - but that relies on my memory and therefore doesn´t count very much.

Hi there, now there are pics from the BorgWarner R/H gearbox mount together with the LT230.

http://www.viermalvier.de/forum_php/upload//276179-100_1219%20%28Small%29.jpg

http://www.viermalvier.de/forum_php/upload//276181-100_1220%20%28Small%29.jpg

http://www.viermalvier.de/forum_php/upload//276182-100_1221%20%28Small%29.jpg

some more pics follow as soon as I get the pics-size sorted.

OK, two things to focus on are 1) the angle at which the rubber is sitting relative to the chassis frame and 2) the height at which it´s sitting (take a look at the mounting rubber´s bolt and then at the lower bolt that clamps the mount-bracket to the chassis.


Now some more pics.

watching from beneath the mount. Doesn´t look as if it is very uneven compressed.
http://www.viermalvier.de/forum_php/upload//276190-from%20beneath%20%28Small%29.jpg

these are two mounts that I´ve tried with no luck. Can be seen that the slot for the rubber´s fixing stud is at level with the lower bolt of the bracket-to-chassis face. Left one from DiscoI, right from 90".
http://www.viermalvier.de/forum_php/upload//276192-both%20mounts%20%28Small%29.jpg
It can be seen that the right mount has the plane for the rubber at a different angle than the left one. This is to compensate for the transmission of the 300tdi where the engine rests higher than the gearbox.

now the left side mount to make the pics complete. Don´t think that there are differences here (?)
http://www.viermalvier.de/forum_php/upload//276189-left%20mount%20%28Small%29.jpg

>>>>>>

Who can tell me why, judging from the two mounts I pictured separately, that the rubber is mounted higher on the Disco/90 mounts than on the B/W mount.

Thanks SeaRover and Landybehr,
Pictures look great. I know they will help me out. I Wish I had something to add. Hopefully soon.

Brett
94 Classic LWB
72 SIII 88

landybehr - were you ever able to compare the two LT230 mounts with the borg -warner mount directly? i'm confused with this statement:

<< Hi there, now there are pics from the BorgWarner R/H gearbox mount together with the LT230. >>

the mount in those pics look like the D90 mount, given the extension past the frame. IIRC, my old Borg-warner mount was the same height as the frame rail.

are there any signs of tampering on the frame, i.e. relocation of bolt holes etc.

the drivers side mount is identical between b/w and lt230 so no worries there.

Hi searover,

>> confusing statement -> just wanted to say that I kept the mount that was fitted by Rover together with the B/W gearbox because nothing else fitted when I dropped the B/W in favour of the LT230. So you see a combination that shouldn´t be there.

It doesnt make sense to me but seems like there are two different heights of the mounts - some lower than others.
BTW: no surprise that a 90" mount extends further down than on a 110" as the latter has a higher frame rail.

Next point is the angle of the mount. I marked it red. But difficult to measure just from pics.

Still I have no clue.
http://www.viermalvier.de/forum_php/upload//276341-angle1.jpg
http://www.viermalvier.de/forum_php/upload//276342-angle2.JPG

i'm stumped :confused: if it doesn't look like it's affecting clearance or driveshaft angles 'n such, i'd just run it and see what happens. how much wheelin' will this rig see? if it's street mainly its probably fine. if you see a lot of trail action then you may start going through mounts at a less than optimal rate.

'nuther question for ya - have you tried sliding the rubber mount on the drivers side up or down a bit to see if it changes the angle on the passenger side? might be able to tweak it a bit to even out the load on the PS. just a thought.

Yes, I tried that. But the whole engine/transmission is resting in a way that it just seems to shrug off any attemps to move it. I tried to loosen all mounts and let the transmission find the correct position by shaking it a little before tightening the rubbers again. As said, didn´t move a tad.

Well, It luck meets me I can buy another RangeRover less engine that I will rebuild. With the body off the chassis that problem will be easier sorted. Until then I carry on (street use to 98%).