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DiscoWeb Bulletin Board » Message Archives » 2003 Archives - Discovery Technical » Archive through December 23, 2003 » Viscous BLOWN HELP! Replace it or swap with LT-230? « Previous Next »

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Jason Michaels (H2eater)
Member
Username: H2eater

Post Number: 233
Registered: 03-2003
Posted on Wednesday, December 17, 2003 - 03:49 pm:   Edit Post Delete Post Print Post

Hey all,

My viscous blew on my BW box and I am not sure what to do. If I can find a cheap viscous I can have it put it for around $300.00 but, I also have two LT-230 boxes sitting on the garage floor. Would I be better off to swap out for one of those? One is from a DII and does not have CDL the other is out of a D1 and has CDL. What is required to change out in order to swap for one of these units? My rig is a 1992 RRC.

Looking for thoughts on this... She's dead in the drive... :-(
 

Will Cupp (W_cupp)
Member
Username: W_cupp

Post Number: 219
Registered: 07-2003
Posted on Wednesday, December 17, 2003 - 04:01 pm:   Edit Post Delete Post Print Post

Swap.
 

Peter Matusov (Pmatusov)
Senior Member
Username: Pmatusov

Post Number: 1181
Registered: 09-2002
Posted on Wednesday, December 17, 2003 - 04:13 pm:   Edit Post Delete Post Print Post

dead in the drive with a fried VC? what happened?

Put the viscous back in, and send me the LT230s.
 

Jaime (Blueboy)
Senior Member
Username: Blueboy

Post Number: 838
Registered: 02-2002
Posted on Wednesday, December 17, 2003 - 04:24 pm:   Edit Post Delete Post Print Post

what you want to do with the RR also may impact your decision. the BW in snow/rain is a great combination. a locking center diff is better on something like climbing around/over rock ledges.

it will fit, yet, there is additional work like the linkage to make work.

not that it probably makes a rats ass of difference in your decision process, I'm going with the LT230 in my RR.

Jaime x
 

Bill Bettridge (Billb)
Dweb Lounge Member
Username: Billb

Post Number: 1305
Registered: 02-2002
Posted on Wednesday, December 17, 2003 - 08:46 pm:   Edit Post Delete Post Print Post

Fit the D1 LT230 - no question

You'll need a D1 front DS, output shaft from a D1 ZF autobox, tcase mounts, and the linkage of course.

Lots of discussions on this in the archives here and also on POR

Bill
 

Peter Matusov (Pmatusov)
Senior Member
Username: Pmatusov

Post Number: 1186
Registered: 09-2002
Posted on Wednesday, December 17, 2003 - 08:59 pm:   Edit Post Delete Post Print Post

Bill, does it mean you have to take apart the ZF to swap the tailshaft?
 

Shaun Power (Shaunp)
Member
Username: Shaunp

Post Number: 219
Registered: 05-2003
Posted on Thursday, December 18, 2003 - 01:56 am:   Edit Post Delete Post Print Post

It takes about 4 hours to do a viscous unit with the box in the car. Ashcroft transmissions in the uk will mail you one. It works out about $800 AUD ($560 us)
 

Bill Bettridge (Billb)
Dweb Lounge Member
Username: Billb

Post Number: 1306
Registered: 02-2002
Posted on Thursday, December 18, 2003 - 09:32 am:   Edit Post Delete Post Print Post

Peter - no

the ZF tailshaft comes off with one 17mm bolt - pretty slick really. Unbolt old tailshaft and bolt on new.

Bill
 

Geoff 93 RRC (Geoff)
Member
Username: Geoff

Post Number: 183
Registered: 11-2002
Posted on Friday, December 19, 2003 - 10:03 pm:   Edit Post Delete Post Print Post

Bill are you sure about the tailshaft requirement? I haven't seen this in other posts on the swap (assuming you get the LT230 from an automatic D1).

What I have seen needed for swap:

- LT230T transfer case from D1 (D2 doesn't have the speed sensor socket); leave parking brake attached.
- transfer case mounts
- linkage
- driveshaft

Thanks.
 

Ron Brown (Ron)
Senior Member
Username: Ron

Post Number: 617
Registered: 04-2001
Posted on Friday, December 19, 2003 - 11:00 pm:   Edit Post Delete Post Print Post

It depends on the year of the LT230 and the RR. I have a tailshaft if you need one.

evilfij(at) yahoo.com

Ron
 

Gordon Turner (Gordo)
Member
Username: Gordo

Post Number: 46
Registered: 07-2003
Posted on Saturday, December 20, 2003 - 02:04 am:   Edit Post Delete Post Print Post

swap it out. easy to change out VC than drop the box and change to LT230. Nothing against the LT230 as it is better all around but why go through all that trouble for just a VC. Gordo
 

Geoff 93 RRC (Geoff)
Member
Username: Geoff

Post Number: 184
Registered: 11-2002
Posted on Sunday, December 21, 2003 - 12:07 am:   Edit Post Delete Post Print Post

Thanks Ron. Probably looking at next year sometime.
 

Bill Bettridge (Billb)
Dweb Lounge Member
Username: Billb

Post Number: 1316
Registered: 02-2002
Posted on Sunday, December 21, 2003 - 09:30 pm:   Edit Post Delete Post Print Post

Geoff - a 93 RRC will need the later ZF tailshaft.

Bill
 

Ron Brown (Ron)
Senior Member
Username: Ron

Post Number: 621
Registered: 04-2001
Posted on Sunday, December 21, 2003 - 11:03 pm:   Edit Post Delete Post Print Post

unless he has an early LT230

2in tail will not fit into a 3in LT230

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