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8" rear e-locker gears question

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Old Sep 18, 2010 | 09:28 AM
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From: Nikiski, AK
Arrow 8" rear e-locker gears question

here's the situation: I have an 85 toyota pickup solid axle, 4.10 gears front and rear, open diffs. I got a 4.30 e-locker from a 2wd 4-runner. I want to swap in the e-locker in. Can I just swap the 4.10 R&P in from my stock diff to the e-locker? Or do I need a full re-gearing front and rear to make things match?
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Old Sep 18, 2010 | 09:40 AM
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First you will need to modify your axle housing to accept the E locker. And I would keep the 4.30 then re gear the front. There are detailed write ups on the housing mod, and the wiring install.
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Old Sep 18, 2010 | 09:53 AM
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The issue is that I have the 2 sets of 4.10 gears for my front and rear diff, and only 1 set of 4.30 in the E-locker. I am really tight on money and was wondering if I could swap the 4.10 from my old diff to the E-locker currently with 4.30.
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Old Sep 18, 2010 | 10:00 AM
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I believe you will need a 4.10 v6 gearset for the elocker. I dont think your 4.10 4cyl gears will work. Im not positive on that though
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Old Sep 18, 2010 | 10:19 AM
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I was told that I could also change the bearings of the e-locker in order to compensate for the gears. Would this work?
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Old Sep 18, 2010 | 11:40 AM
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From: Dixon, Ca
You still have to modify the rear housing to fit the E locker.
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Old Sep 18, 2010 | 12:36 PM
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From: Nashville TN. I can help you if you're close BUT NOBODY CAN HELP YOU IF YOU DON'T FILL YOUR LOCATION IN!
Whoa, dude... Back up a minute...

Swapping bearings is for the carrier... And the E-diff is not carrier based. The diff is an entirely different casting.


http://home.4x4wire.com/erik/diffs/#electric_lockers


EDIT: Your plan makes entirely no sense.

Just mod the housing and throw it in. Either get another 4:30 TRD diff, or get some 4cyl 4:30 gears, or get a V6 chunk and 4:30 gears... .

Last edited by tried4x2signN; Sep 18, 2010 at 12:39 PM.
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Old Sep 18, 2010 | 02:52 PM
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I understand what hes trying to do. He had two sets of 4.10 gears and wants to regear the elocker with the 4.10 4cyl gears. I believe what you were told about swapping the bearings is correct.
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Old Sep 20, 2010 | 01:02 PM
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From: Nikiski, AK
Thats exactly what I am trying to do. Do you know where I could find the Bearings in order to swap them?

Also. Is there a difference in size between the V6 4.10 and 4cyl. 4.10 gears?
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Old Sep 20, 2010 | 01:39 PM
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From: Nashville TN. I can help you if you're close BUT NOBODY CAN HELP YOU IF YOU DON'T FILL YOUR LOCATION IN!
Changing the bearings out, so that the carrier will fit will net you absolutely ZERO!

All you'll have is an E locker carrier in a non E locker housing...
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Old Sep 20, 2010 | 01:43 PM
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From: Nikiski, AK
Just to clarify. I have the complete 3rd member of the E-locker. I do know that I have a little work in order to fit it in.
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Old Sep 20, 2010 | 01:44 PM
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From: Nashville TN. I can help you if you're close BUT NOBODY CAN HELP YOU IF YOU DON'T FILL YOUR LOCATION IN!
Originally Posted by SpecialScottie
I understand what hes trying to do. He had two sets of 4.10 gears and wants to regear the elocker with the 4.10 4cyl gears. I believe what you were told about swapping the bearings is correct.
All from Eric's site:

"All pre-'95 4-cylinder 4wd mini-trucks & 4Runners use the Toyota 8" 2-pinion differential front and rear (except turbo models). This is known as the "4cyl diff." This diff is by far the most common diff in older Toyotas.


V6 carriers can be used in this diff if the correct bearings are used"


And HA! Found it! I been looking all over for this...


There's no such thing as "4cyl" and "V6" R&P.
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Old Sep 20, 2010 | 01:45 PM
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Yes, you can install 4cyl gears into the V6 housing. You will need a lot of shims on the pinion to do it. Like around .233 worth of shims. Use the V6 bearings in the 4cyl pinion. Carrier bearings remain the same, so just leave the ones on the Elocker carrier. I would recommend a complete V6 install kit to use instead of trying to use the older bearings on the pinion.

If you have never installed gears before, I would highly recommend having a experienced shop do it.

Last edited by ScottyC; Sep 20, 2010 at 01:47 PM.
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Old Sep 20, 2010 | 01:45 PM
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From: Nashville TN. I can help you if you're close BUT NOBODY CAN HELP YOU IF YOU DON'T FILL YOUR LOCATION IN!
Originally Posted by NarrowRoadOffroader
Just to clarify. I have the complete 3rd member of the E-locker. I do know that I have a little work in order to fit it in.

That you want to put 4cyl gears in, right?
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Old Sep 20, 2010 | 01:50 PM
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From: Nashville TN. I can help you if you're close BUT NOBODY CAN HELP YOU IF YOU DON'T FILL YOUR LOCATION IN!
Originally Posted by ScottyC
Yes, you can install 4cyl gears into the V6 housing. You will need a lot of shims on the pinion to do it. Like around .233 worth of shims.

Which is why I wouldn't do it.

That's almost a 1/4" of shims...

Last edited by tried4x2signN; Sep 20, 2010 at 01:52 PM.
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Old Sep 20, 2010 | 01:54 PM
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From: Nikiski, AK
That is correct. That was exactly what i needed to know. You are a god among men.

I have installed the gears before. A buddy of mine and I have done it twice now. I just need to find where I can get the bearings.
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Old Sep 20, 2010 | 02:02 PM
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From: Ft Collins, CO
Originally Posted by tried4x2signN
Which is why I wouldn't do it.

That's almost a 1/4" of shims...
That much shim won't make any difference. Its done every day. A lot of time you will receive 4cyl gears in a V6 box. The gear themselves are basically the same except for the depth of the pinion head. Otherwise they will work just fine, and be just as strong.
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Old Sep 20, 2010 | 02:46 PM
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Yes, you can install 4cyl gears into the V6 housing. You will need a lot of shims on the pinion to do it. Like around .233 worth of shims. Use the V6 bearings in the 4cyl pinion.
So i can run the 4.10 gears on the E locker carrier all inside of my 4cyl housing if I switch out the 4cyl pinion barring for the V6 one?
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Old Sep 21, 2010 | 06:45 AM
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Originally Posted by NarrowRoadOffroader
So i can run the 4.10 gears on the E locker carrier all inside of my 4cyl housing if I switch out the 4cyl pinion barring for the V6 one?
4cyl gears inside the E-locker 3rd member using the V6 pinion bearings. Then modify your 4cyl housing to accept the Elocker 3rd member. You will need to weld up a couple stud holes, and then drill and tap some others.
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Old Sep 29, 2010 | 09:01 PM
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time=money honestly just get v6 gears for the E-locker. You'll save money in the end
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