i am needing lower gears i already have 5.29s and 35s
but am planning on running 39.5 boggers for off road use.
i have the stock trans and t-case in my 92 runner with a 22r-e.
the t-case is chain driven.
i am thinking of a dual case setup.
is there anyway to use the stock t-case or do i just go to a gear driven.
will a gear driven case bolt up to the stock trans or do i need the older trans also?

thank you

 

Marlin crawler will have the answers you desire. Inchworm will also have the answers, as will Advanced Adapters.

I run both the 4:1 gears and the dual case. makes for a final crawl of about 190:1 very nice

 

If you want gearing, you'll have to switch to a gear drive case. You have a 22re, so you should be fine. v6 trannies require another adapter.

DeathCougar pointed you in the right direction. A call to either of those places will both help you tremendously, and lighten up your wallet but thats a good thing.

 

Not all 22RE trannys are gear drive. g-58 transmissions behind 22REs 89-95 are chain driven. The g series was pretty rare in the trucks, since most 4x4 trucks had manual locking hubs. The G series was used in trucks and 4Runners with the 22RE and ADD.

 

Oh. Well, i didn't even know they had chain drive trannies. Good to know. I assumed only the tcase was chain drive, and the trannies were all just a standard gear/syncro set up.

I guess might need 2 adapters then, instead of just the one, depending on your tranny.

 

marlin sells a kit that mates a chain driven t-case with a gear driven case in front so go duals with this combo

 

smarty pants i meant the tcase being chain drive.

 

You have a RF1A chain driven transfercase and a G58 tranny. The Marlin adapter is for a VF1A transfer case and an R150 tranny. Unless the bolt pattern on the RF1A and VF1A are the same the Marlin adapter isn't going to work for you. Best thing to do would be to call Marlin to find out.

If it isn't you are going to have to switch trannies. Then you will have a choice of running one case with 4:1's or going duals. Right now you really can't do either. Call Marlin and cross your fingers that the RF1A and VF1A have the same bolt pattern.

 

TC here just bolted two gear drive cases up to his v6 tranny. There is an adapter. No need to switch trannies.

He's got the 22re, did they do the chain drive on those?

 

For 40's, I would do dual cases with 4.7 gears in one. I think you're really going to be needing something lower than 4.7 or 5.3:1 for a good crawl ratio. Note that SERIOUS breakage is a possibility if you use anything less than D60s. For Toy axles, you DEFINITELY need Longfields in the front, the FROR fullfloater kit (with cromoly axles) in the rear, and some serious trussing on the housings.

My setup is dual gear drive cases behind a R150F. Like this:
Tranny
30-4GT V6 adapter plate
Gear drive crawl box 4.7:1
MC07 dual case adapter
Gear drive transfer case 2.28:1

For those with the V6, the new MC10 adapter comes out cheaper than doing it this way, but I got a deal on a used setup.

 

Ya they had chain drive cases behind some of the 22re's. I had a 91 with a chain drive case (RF1A case and G58 tranny). From what I have heard a gear drive case will not bolt up to a G58. If the bolt pattern on the back of the G58 is the same as the R150 (V6) he could use the V6 adapter from Marlin to bolt a gear drive case to the G58. If not, then the only option would be to switch trannies.

One call to Marlin though will solve all this.

HEy "TC" why did you put the 4.7's in the front case. I had always heard that was a no-no.

 

That's how they came. In the end, the stress on the output shaft is the same...

 

Well that's what I would have thought too. I never quite understood the argument but I didn't try that hard either. I just put mine in the rear case anyway.

 

Well, it would relieve some stress on the INPUT shaft, but I don't think that's really the weak link in the setup.

 

Here is some info that Ganoid PM'ed me that I think is helpful:
Trail Gear has done a couple of videos on transfer case assembly:
http://www.pirate4x4.com/forum/showthread.php?t=621224
t-case: http://www.trail-gear.com/videos/toy-tcase.wmv
Dual case: http://www.trail-gear.com/videos/toydualcase.wmv

It would be nice if TG, Advance Adapter or Marlin would make a lower High gear so that you could just do transfer gear swaps like you can for Samurai's w/o after to do your f/r diffs too...

 

The tradeoff for the cost is the flexibilty. Even in 5th, 4.7's are SLOW. I am really glad to have a 2:1 low for the areas between obstacles so I can keep up with the other guys. In mud/snow where you need some wheelspeed, 4.7's can be a real pain. It's funny to watch Rubi's struggle on easy stuff becasue of their 4:1 tcase.

I now realize the people who said dual stock cases is low enough are right. Ultimate low (4.7 + 2.28) is freakin ridiculous with normal size tires.

 

I would have to agree with TC on this one. For general wheeling anyway.

 

Its all cost to performance here, I know a couple guys running the dual setup and its great. In first gear they can CRAWL and I can walk faster. They cannot stall out period, dont like it flip the lever...

But the cost is insane really unless you can do the fab work yourself. I certainly cant do it (at least easily, may take me awhile). I feel I would be happier running 33's and just having a 5 speed, I come acorss another t-case for cheap then I jump, but the big issue is swapping the gears, fabbing up the casework, fabbingit to fit your truck and redoing the driveshafts.

I know quite a few who saved cash by doing a square driveshaft, it works but not a good idea as its unbalanced.

 

The reason they don't is that it is impossible. There is no "high gear" in a toyota transfer case. The drive is "straight through" so to speak, meaning that 1:1 is simply the tranny turning the input shaft, which turns the output. There is no gearing involved.

I called inchworm to see about having a set made. The best you can do is a tripple case with a new set of low range gears. For me it would have been 1.2:1. I decided the diffs were easier to do.

I disagree. As I've said before, you get a 4speed tcase this way. Stock cases means you get a wee bit lower on double low than you do with 4.7's, but 4.7 is nowhere near low enough for me. I want to be able to drive a boulder field, (like the ones in Boulder Carnage) without using the clutch at all. in 4.7, I cannot. I can do it for some of it, but for the really big guys, i have to clutch it. I also want the control when attempting an unknown obstacle. I hate having to clutch up to something, and try to get the truck to climb, while being worried about giving it too much and putting the truck into the rocks. I'd rather be able to just idle up, and give it a little gas, and have the truck be able to turn the tires.

 

I think the difference in 4.7 and 5.28 would be enough to do what you want Isaac, but you already have 4.7's, so why not have the uberlow?

I haven't had my case long, but only stalled it a couple times, and both times I was in 3rd and thought I was in 1st ... of course, that's with the mighty V6 LOL