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What transfer case to run?

I've been dredging up 231 and 241 info all weekend and while they look promising mechanically connecting I hit a snag in the speedometer output. The Lexus computer needs one signal from an electronic 4 pulse that is supported by the AW4 tailhousing and the Toyota dash needs a speedometer signal which controls shift points and TC lockup. Still trying to dive into what signal is actually required as I dealt with this when I first got the truck running but finding info on Jeep and Dodge sensors is getting exhausting. Unfortunately this might push me back to a Toyota t-case.
 
a 23sp case from a v6 tacoma case will be more than sufficient for what you are doing
 
mobil1syn said:
a 23sp case from a v6 tacoma case will be more than sufficient for what you are doing
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I don't believe he wants to change transmissions and would rather make an adapter from the tailhousing to the transfer case which the np case have a round pattern so easy to draw and clock but the toyota case isn't round mounting bolts.
 
I would get a 242 or 249.

Having full time 4WD High with a center diff will do wonders for drivetrain longevity in the desert.
 
Bebop said:
I would get a 242 or 249.

Having full time 4WD High with a center diff will do wonders for drivetrain longevity in the desert.
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X2

If this is going to be a go-fast rig, go with something that has AWD capabilities.
 
Marlin Crawler VSS I used one of these in my 4runner to get the electronic speedometer to work. I'm guessing its the same as the advance adapters sensor. This probably doesn't help as my 4runner is a 94 and much older and simpler than your truck.
 
AWD may be fun, 242 is tempting.

I have seen that speedo adapter and it would work on my '94 wiring harness. I'm finding the input differs from the few mechanical speed NP cases I can find, Chevy, Jeep, or Dodge. I believe the Advanced kit has a custom adapter cable run to one of the electrical speedo adapters. Just need to piece together which mechanical gear sender to use on which case. Sees like a narrow 88-92 window for mechanical speedos.

Electrical signal processing would be much easier as all later model cases had sensors, just the wrong pulse rate for my dash. I probably just need to call Dakota Digital.
 
Motiracer38 said:
AWD may be fun, 242 is tempting.

I have seen that speedo adapter and it would work on my '94 wiring harness. I'm finding the input differs from the few mechanical speed NP cases I can find, Chevy, Jeep, or Dodge. I believe the Advanced kit has a custom adapter cable run to one of the electrical speedo adapters. Just need to piece together which mechanical gear sender to use on which case. Sees like a narrow 88-92 window for mechanical speedos.

Electrical signal processing would be much easier as all later model cases had sensors, just the wrong pulse rate for my dash. I probably just need to call Dakota Digital.
Click to expand...

what trans came in the v8 4runners, dont they have a awd tcase?

paging GRM
 
You running the 8.8 full width? They are pretty easy to narrow.
 
V8 4runners and 1st gen Sequoias had an electronic shift awd case with a separate diff lock button. I want levers in the cab for simplicity.
 
bdkw1 said:
You running the 8.8 full width? They are pretty easy to narrow.
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Yes, 07 Explorer IRS 8.8 with cut down stock output shafts welded to 930 diff flanges. How much narrower could it get?
 
mobil1syn said:
what trans came in the v8 4runners, dont they have a awd tcase?

paging GRM
Click to expand...

A750F 5-Speed

As mentioned, some 1st Gen. Sequoia’s had center lock t-case with 2H, 4H open center (AWD), 4H locked center, and 4L locked center.

Not positive, but I think most of the GX470’s and V8 Runners were full time AWD.
 
Motiracer38 said:
Yes, 07 Explorer IRS 8.8 with cut down stock output shafts welded to 930 diff flanges. How much narrower could it get?
Click to expand...
I can make it all the way down to center mount. Measure the short side and double it.
 
I'm using the IRS so no long side
IMG_20230804_183804551.jpg
 
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