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Gen1 Transfer Cases Options #1026851
04/19/11 01:20 PM
04/19/11 01:20 PM
RECON45  Offline OP
Body Damage is Cool
Joined: Jul 2009
Posts: 1,342
Statesville, NC
I know it has been discussed multiple times that a Np231 case will bolt up and maintain the driverside drop of the front diff. What all Tcases bolt up that are passenger drop?


91 Montero LS "Sandstorm", Auto, Dual Bouncy Seats, 2" Suspension lift, 2" Body Lift, GENII front IFS, 32" MT tires

89 Raider "Trailbreaker", 3.0, Auto, Dual Bouncy Seats
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Re: Gen1 Transfer Cases Options [Re: RECON45] #1026852
04/19/11 04:44 PM
04/19/11 04:44 PM
TOASTY  Offline
Trail Leader
Joined: Jan 2002
Posts: 6,123
Mesa AZ, US. *****
Dana 300 Can do either side but is originally designed to be a passenger side drop. So if you buy one and then change your mind because of finding a deal on a driver side axle you just buy a flip kit for the 300.


1999 Montero Blizzard package

2005 Montero Limited

2015 Mirage with antifreeze Sparco wheel package
Re: Gen1 Transfer Cases Options [Re: TOASTY] #1026853
04/20/11 04:23 AM
04/20/11 04:23 AM
rxinhed  Offline
Trail Leader
Joined: Feb 2005
Posts: 7,126
Gerber, CA *****
If the NP231 fits, why not an NP205 or NP208? These were bolted to the same GM transmissions as the NP231, right?

Atlas 4-speed?

Re: Gen1 Transfer Cases Options [Re: rxinhed] #1026854
04/20/11 07:30 AM
04/20/11 07:30 AM
TOASTY  Offline
Trail Leader
Joined: Jan 2002
Posts: 6,123
Mesa AZ, US. *****
just needs to be the standard 6 bolt round pattern and 23 spline.


1999 Montero Blizzard package

2005 Montero Limited

2015 Mirage with antifreeze Sparco wheel package
Re: Gen1 Transfer Cases Options [Re: TOASTY] #1026855
04/20/11 08:59 AM
04/20/11 08:59 AM
spencevans  Offline
Mudrunner
Joined: Mar 2008
Posts: 413
Utah
All the following should bolt up to the first gen V6 automatic transmission.

1992-2000 Mitsubishi Activ-Trak AWD t-cases


Short input or a clocking ring are required for the following:
23 spline Atlas transfer cases
Rock Trac NP241
NP242 with AWD Select Trac
NP231
STaK Tcases
Dana 300
Dana 20

Personally I think an NP242 out of Jeep Liberty with 4.1 crawler gears would be cool. It has fixed yokes, it would give a great low range ratio and AWD for those snowy days. Down side is it's chain driven.

There are also 2.85 crawler gears available for your current tcase but I am sure your already aware of this. An other option I have been looking into is possibly adding a reduction box between the tranny and tcase. Several companies like advance adapters make reduction boxes that will bolt in, it's just a matter of how many mods to the tunnel, drive shafts and frame would it take to get a reduction box to fit.


Spence
1985 Mitsubishi PU 2.3 Turbo Diesel, 13" lift, Watercooled turbo, 4D56 Head, Atlas II,Fox Coilovers, Elockers,

1983 Mitsubishi PU 2.5 Turbo Diesel 4x4, fully restored

2003 G500, sliders, beadlocks, roofrack, ladder etc.
Re: Gen1 Transfer Cases Options [Re: spencevans] #1026856
04/20/11 02:17 PM
04/20/11 02:17 PM
RECON45  Offline OP
Body Damage is Cool
Joined: Jul 2009
Posts: 1,342
Statesville, NC
Well this whole idea spun off the point of if I might do a SAS and the Tcase swap is an option, then why not look at all options. There are Chevy dana44s running hot and cold around here. not so many Wagoneer 44s, so with that I am exploring other Tcase options. this has been alot of good information.

I have thought about the reduction box, but you are right about alot of work involved with mounts, crossmembers, and driveshafts. Hopefully just swaping out tcases will not require major work.


91 Montero LS "Sandstorm", Auto, Dual Bouncy Seats, 2" Suspension lift, 2" Body Lift, GENII front IFS, 32" MT tires

89 Raider "Trailbreaker", 3.0, Auto, Dual Bouncy Seats
Re: Gen1 Transfer Cases Options [Re: RECON45] #1026857
04/20/11 06:15 PM
04/20/11 06:15 PM
zarktheshark  Offline
Rock Warrior
Joined: Dec 2008
Posts: 655
Monroe, Wa *****
Just a thought, but what about a portal axel setup? you would get a slight gear reduction and you are going SAS anyway? One draw back would be you have to do both axels. IDK. Like i said, just a thought.


'88 Raider. 2.6L dead...2.4L swap in progress, AT, 33's, 2 bouncy seat,AC, CC, 2.25 exh, 2" Tbar, 2" BL, rear DB, rear LSD,4.90's, SW hubs,gen2 uca's, KYB shocks, snorkel, elec fan, MSD.

'99 chev k3500 crewcab
'15 Subaru XV
'94 YJ
'86 Fiero GT
Re: Gen1 Transfer Cases Options [Re: zarktheshark] #1026858
04/20/11 07:14 PM
04/20/11 07:14 PM
RECON45  Offline OP
Body Damage is Cool
Joined: Jul 2009
Posts: 1,342
Statesville, NC
Thats an intersting thought. Get portal axles from a hummer might be interesting. IFS set up and the hubs then run the CTIS would be slick. I bet it would be wide set up.


91 Montero LS "Sandstorm", Auto, Dual Bouncy Seats, 2" Suspension lift, 2" Body Lift, GENII front IFS, 32" MT tires

89 Raider "Trailbreaker", 3.0, Auto, Dual Bouncy Seats
Re: Gen1 Transfer Cases Options [Re: RECON45] #1026859
04/20/11 08:36 PM
04/20/11 08:36 PM
TOASTY  Offline
Trail Leader
Joined: Jan 2002
Posts: 6,123
Mesa AZ, US. *****
here's the Humraider on hummer portal axles but i think Volvo portals would be the easiest and most practical/cost effective/most capable. Solid axles are better


[Linked Image]



here's volvo portals, lighter duty than Mog portals but they don't need to be modified since the volvo C303 doesn't have torque tube suspension


[Linked Image]


1999 Montero Blizzard package

2005 Montero Limited

2015 Mirage with antifreeze Sparco wheel package
Re: Gen1 Transfer Cases Options [Re: TOASTY] #1026860
04/20/11 09:41 PM
04/20/11 09:41 PM
RECON45  Offline OP
Body Damage is Cool
Joined: Jul 2009
Posts: 1,342
Statesville, NC
Thats really cool that some one has already done it but after seeing it, not too impressed. The unimog and volvo portals are very nice. They do have something coming out for the d60, it is a portal hub to be inplace of the stock one. I think its $2000 a side. But me I am not wantig to go to extreme been there. i want something just a step above what my montero is currently capable. more than likely d44 front and lower gear Tcase. Thanks for the info. Anymore pics and specs on the Humraider?


91 Montero LS "Sandstorm", Auto, Dual Bouncy Seats, 2" Suspension lift, 2" Body Lift, GENII front IFS, 32" MT tires

89 Raider "Trailbreaker", 3.0, Auto, Dual Bouncy Seats
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