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Land rover tcase LT230 thread

very tight clearance with a 4l80e and the marks 4wd adapter I used to fit a lt230/Ashcroft under drive in my buggy…
 
So Im back on this kick again, looking to put an aw4 behind a 22re with 1tons and 40-42s, I want high range to actually be usable.

Google shows a few more results popping up for adapters to common transmissions. I still don't see why no one is doing a 231/241 crawl box to lt230 case when the adapters are $1200-1600 or more. :homer:
 
Would anyone else be interested in a doubler? I emailed a small company that makes 231/241 doubler and he seems somewhat interested so far.
 
YotaAtieToo said:
Would anyone else be interested in a doubler? I emailed a small company that makes 231/241 doubler and he seems somewhat interested so far.
Click to expand...
don't you have a +2" IFS kit to get out? :flipoff2:
 
YotaAtieToo said:
Place is in Yakima, so he's not terribly far from either of us.

His main concern is the front output clearing the crawl box. Do you have a lt230 and a 231 front half to roughly mock up?
Click to expand...
So Froelich…
 
He’s fine as long as you expect things to happen on his schedule not yours.
 
YotaAtieToo said:
Place is in Yakima, so he's not terribly far from either of us.

His main concern is the front output clearing the crawl box. Do you have a lt230 and a 231 front half to roughly mock up?
Click to expand...
Ill do some measuring and let you know.
 
I'd definitely be interested if you end up getting something going. more than willing to do some testing and cut up a LT 230 to make it happen
 
Fuck the crawl box, somebody needs to make the bolt on reduction box agian. It went on the back side so your driveshaft didn't get any shorter.
 
Like this!

bench.jpg
 
bdkw1 said:
Fuck the crawl box, somebody needs to make the bolt on reduction box agian. It went on the back side so your driveshaft didn't get any shorter.
Click to expand...
They want the crawl box because it acts as an adapter to a normal transmission. Nobody cares about the reduction box because then you are limited to some dumb rover tranny or some expensive, long, adapter to attach it to a normal trans.
 
bdkw1 said:
Fuck the crawl box, somebody needs to make the bolt on reduction box agian. It went on the back side so your driveshaft didn't get any shorter.
Click to expand...


Or have both and enjoy your …. 8 speed t-case?!

What are the gears in that rear bolt on reduction box?
 
YotaAtieToo said:
His main concern is the front output clearing the crawl box. Do you have a lt230 and a 231 front half to roughly mock up?
Click to expand...
You’ve probably seen the np203 doubler for the lt230. If the 203 reduction box works then it will clear a 231 fine.
 
bdkw1 said:
Fuck the crawl box, somebody needs to make the bolt on reduction box agian. It went on the back side so your driveshaft didn't get any shorter.
Click to expand...

That is a sweet option for guys who already have the tcase mounted in or have a short rear driveshaft.

benw said:
They want the crawl box because it acts as an adapter to a normal transmission. Nobody cares about the reduction box because then you are limited to some dumb rover tranny or some expensive, long, adapter to attach it to a normal trans.
Click to expand...

Exactly, especially when a simple adapter is literally more than an ecobox. :homer:

benw said:
You’ve probably seen the np203 doubler for the lt230. If the 203 reduction box works then it will clear a 231 fine.
Click to expand...

I found the one dude who built one. I actually like the 2:1 ratio better.

Does anyone sell that adapter?
 
benw said:
They want the crawl box because it acts as an adapter to a normal transmission. Nobody cares about the reduction box because then you are limited to some dumb rover tranny or some expensive, long, adapter to attach it to a normal trans.
Click to expand...
The adapter I have to a GM trans is 1" thick. The outputs on the 230 don't have very much offset. A thicker plate would help the front ds to clear the trans.
 
bdkw1 said:
The adapter I have to a GM trans is 1" thick. The outputs on the 230 don't have very much offset. A thicker plate would help the front ds to clear the trans.
Click to expand...

You have a 32sp adapter? Want to sell? :flipoff2:

I think that would be another benefit to a doubler.
 
bdkw1 said:
The adapter I have to a GM trans is 1" thick. The outputs on the 230 don't have very much offset. A thicker plate would help the front ds to clear the trans.
Click to expand...
Sounds like a crawler instead of an adapter would be perfect for your.
 
I heard mention of the 203 lt230 doubler in this thread.

Here’s the thread where the guy built one.

www.defendersource.com

Dual transfer cases - LT230

I originally dreamed this up 5+ years ago when NV4500 to LT230 adapters were few and far between, and one of my 4wheeling buddies has a Unimog, so I had serious shifter and gearing envy. The idea was to use the reduction box out of an NP203 American transfer case, which came in all kinds of...
www.defendersource.com www.defendersource.com

Seems like a cool option.
 
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