Torsen differential Q's

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Postby 92 All-Trac » Sun Dec 05, 2004 3:04 am

Gary wrote:E-150F is the transmission code.


Yeah the E150/E151 (CS version) are the tranny codes. Where is this other number you guys are talking about located? I'd like to take a look at what number mine has and compare it with others.
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Postby wingnut » Sun Dec 05, 2004 2:54 pm

anyone hear of these? http://www.phantomgrip.com/[/url]
Sounds like a pretty inexpensive alternative.
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Postby toayoztan » Sun Jan 02, 2005 10:30 pm

Alright, i finally got arond to opening up my spare rear differential from my wrecked 92. To my surprise, it looked different from the picture that Gary had provided. I'm guessing it has no worm gear, which would mean it's not Torsen, and it's an open diff? Well, i found that weird, b/c my 92 was fully upgraded to everything which included leather seats, lumbar seating, sunroof, etc. Apparently, now, it's not fully upgraded since it had no torsen lsd. Well, here are the pictures for the diff for reference so we know what we're looking at. Just to make sure, can anyone confirm this is indeed an open diff?

Image

Image

Bryan

This sucks though...now all that's left is to check my 93 which i'm sure it does have LSD, since the driving characteristics were different from the 92 i had. In any case, i won't be able to check out my 93 til a while since it's just a tad too much work for me right now to crack it open with school coming up soon again.
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Postby 2of81 » Mon Jan 03, 2005 5:02 am

st185-sainz wrote:Centre is everywhere Viscous. Every gearbox has the same lever to convert into FWD, open diff and viscous. (ST165/185/185CS/205)


No the ST205 doesn't have the lever to convert it to fwd. The 1987 ST165 transmissions are completly different too, have a solienoid to switch from AWD to 2WD inside the cab. This transmission you cannot switch to a regular 88-89 center differential the long shaft that goes into there is different.
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Postby damselracer » Wed Jan 05, 2005 5:11 am

toayoztan, youre right, that is an open diff. I don't think the trim level had any bearing on whether the car had an open or LSD rear end, since I also have all the gizmos in my car and still have an open diff.

the code you should look at to test my theory is the first three digits- in the example of 737/E150F, the 737 is the diff code and like someone said, the E150F is the tranny code. Your rear diff, BoostedBlueToyotas, *should* be a limited slip.

And since you mentioned it, it sounds like this code might be true even in the FWD trannies, since the 735 is a LSD and it ends in an odd number.

:shrug: interestin' stuff
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Postby toayoztan » Wed Jan 05, 2005 7:21 pm

damselracer wrote:toayoztan, youre right, that is an open diff. I don't think the trim level had any bearing on whether the car had an open or LSD rear end, since I also have all the gizmos in my car and still have an open diff.

the code you should look at to test my theory is the first three digits- in the example of 737/E150F, the 737 is the diff code and like someone said, the E150F is the tranny code. Your rear diff, BoostedBlueToyotas, *should* be a limited slip.

And since you mentioned it, it sounds like this code might be true even in the FWD trannies, since the 735 is a LSD and it ends in an odd number.

:shrug: interestin' stuff


Well, I don't remember the exact code i had on my 92, but the 93 has that code 737/e150f. we'll just have to see....

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Postby BoostedBlueToyotas » Thu Jan 06, 2005 12:41 am

I have the BGB for my 90 alltrac

In the Suspension and Axle - Differential section it has lots of references
to (Conventional Type Differential) so I suspect that there is no LSD
on 90's.

Does anyone have a 93 BGB and if so could you look and see what you
have listed in this section. Sounds like 92's could have either tranny (I would presume later production date 92's may have gotten the Torsen)
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Postby alltracman78 » Thu Jan 06, 2005 1:29 am

92 lists both, conventional and torsen.
I don't have my 93 manuals on me, but I will check tomorrow.

*This is only for rear diff. Front and center are normal, as far as I can tell. No mention of torsen, or torque sensing. Also didn't look like it in the diagrams.*

btw-Good idea, Tim
Last edited by alltracman78 on Thu Jan 06, 2005 2:03 am, edited 1 time in total.
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Postby BoostedBlueToyotas » Thu Jan 06, 2005 1:39 am

Well if the 92 BGB shows pictures of Torsen components I would love
to see a picture of them. I can supply the 90 side (i.e.. picture
of my diff opened and pages from the BGB)
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Postby alltracman78 » Thu Jan 06, 2005 2:16 am

Top box is the Torsen.

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Postby Gary » Thu Jan 06, 2005 3:50 am

from the 1993 BGB.

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Postby toayoztan » Thu Jan 06, 2005 7:33 am

So the 1993 manual lists both torsen and conventional...

Alltracman78, you say the top box is torsen...you mean in your picture? Isn't that showing conventional (open)?

Gary, do you have a breakdown of the torsen like you and alltracman78 had for the conventional?

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Postby Gary » Thu Jan 06, 2005 7:50 am

No, the manual doesn't show a breakdown of Torsen diff.
It's only shows how to remove/reinstall the diff case from the diff carrier
and how to disassemble the conventional type different case.
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Postby alltracman78 » Thu Jan 06, 2005 3:15 pm

I think Gary's got a typo in his bgb :D :shrug:

Pretty sure on mine that was Torsen in the top box. Lemme check at lunch.

*Ok, heheh, I'm the dumbass. That is the reg diff. :bangshead: *
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Postby Gary » Thu Jan 06, 2005 4:47 pm

Ha Ha :lol:
I used to have a 1992 BGB and they both show the same for differential.
There are couple of differences in wiring diagram in the back.
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