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  #1  
Old September 20th, 2010, 11:31 AM
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R380/lt230

I am correct that an autobox 230 will not work with an R380?
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  #2  
Old September 20th, 2010, 11:40 AM
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thats incorrect. Lt230 doesn't descriminate
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Old September 20th, 2010, 12:18 PM
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I was under the impression that the input gear was different?
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  #4  
Old September 20th, 2010, 12:21 PM
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nope. I have an lt230 out of a 97 NAS d90 in my 130.
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Old September 20th, 2010, 12:32 PM
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Quote:
Originally Posted by JSBriggs View Post
I dont know much about the 5spds, but on the Auto boxes, it does.

You need the longer splined spud shaft (ZF output) if you use the later cross drilled gear.

-Jeff
When I put the 230 in my Classic I had to use a different output on the ZF.


I thought the later trucks (NAS 90's) had a crossed drilled input with the R380s. Arent the mainshafts on NAS 230s were all the same.

How hard is it to rebuild the 230/380s? I am not sure to be proactive or wait until it breaks. Ive had this thing for about ~40k currently at ~78k and have always used/overfilled with Mobil/Redline... I see some high mileage Defenders that I am sure dont live a good a life as mine with no issues am I just neurotic?
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  #6  
Old September 20th, 2010, 12:43 PM
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I use MTF94 fluid in my gear box. Works great. It can be difficult to find but if you have a MINI Cooper dealership around you can get it there cheap. They gave me 2 gallons for about $30 and a free car wash.
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  #7  
Old September 20th, 2010, 02:39 PM
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Some autoboxes need an adaptor/extension piece that slides over the output shaft to fit the LT230

Ashcrofts do them, considerably cheaper than genuine LR parts
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Old September 20th, 2010, 04:41 PM
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Quote:
Originally Posted by JSBriggs View Post
I dont know much about the 5spds, but on the Auto boxes, it does.

You need the longer splined spud shaft (ZF output) if you use the later cross drilled gear.

If you are using a non cross drilled gear, be sure to add an oiler plate to prevent spline wear.

-Jeff
Thats for a truck that had a Borg Warner t case only (ie short output shaft used on 89-95 Range Rovers only)- lt230 out of a lt77 or r380 will bolt right up to an auto designed for the lt230 and vice versa. The cross drilled or non cross drilled mainshaft has nothing to do with what it will slide up to but rather just an update to the tcase itself. We have a Disco 1.2 tcase bolted to the 1983 lt77 in my brothers pickup-no issues what so ever.I have a 1.2 lt230 from an auto 90 in my 130. No changes required in either case.
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  #9  
Old September 20th, 2010, 04:46 PM
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Actually, I forget which way it is, but I am pretty sure a 2in auto output will not go into a 3in cross drilled input (all cross drilled with 3in).
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Old September 20th, 2010, 06:17 PM
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My response was meanth to doug as I know this issue happened in 87-88 RRCs with the LT230 so it is not BW exclusive.

7 years ago and I was the first to post in the pirate thread too. I was SUE ROVR because I lost the password to evilfij which I then found again.
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  #11  
Old September 20th, 2010, 06:23 PM
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Quote:
Originally Posted by rover4x4 View Post
am I just neurotic?

That's the understatement of the year!!
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  #12  
Old September 21st, 2010, 06:31 PM
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Quote:
Originally Posted by JSBriggs View Post
Ron, that is correct. Some info and pics here. http://www.pirate4x4.com/forum/showthread.php?t=197356

What I wasn't sure is how the 380 output is configured. From what Doug was saying it sounds like the splines are a larger diameter than the shaft, while the ZF spud shaft is a larger diameter than the splines. Although its not just the BW shafts that used the shorter splines, but by the design of the ZF spud that makes it incompatible. The Early 230 (non cross drilled) input has the shorter splines on the inside.

-Jeff

I was going to dig up those pictures but I'm glad you linked it.
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