84-85 Trucks & 4Runners 2nd gen pickups and 1st gen 4Runners with solid front axles

thirds swapping

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Old Mar 2, 2009 | 10:08 PM
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thirds swapping

1) so from the searching ive done i hear that front and rear 8" thirds are interchangeable in 85 4runner. is this correct?

2) I currently have rear spool and front detroit, this is my DD so i want to swap them to make my tires last a little longer, ( rears are rounding quick from spooling around corners) is this a good idea, dumb idea, even possible? - I am aware that turning will be difficult with the spool up front and locked-engaged

3) if above is possible and not completely dumb, is there going to be an issue with strength from running detroit rear and spool front when I install dual cases?
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Old Mar 2, 2009 | 10:29 PM
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Detroits are really strong, I am going to be running the one I have now with my dual cases (once I get them )...yes they are interchangeable...try it and if you dont like it put it back! I have a ARB in my front, when locked its pretty much a spool, and yes its really hard to turn, but you do turn. When the hubs are unlocked it doesnt matter!
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Old Mar 3, 2009 | 12:13 PM
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thanks, yeah the spools cool, but an ARB would be better. Im definitely going to make the switch.
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Old Mar 3, 2009 | 04:15 PM
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I am glad that I put in a twin stick with my front and rear aussies. If I feel the front end binding I can take the front out of 4wd quick hopefully before I fubar a birf...
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Old Mar 3, 2009 | 04:48 PM
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Originally Posted by grosser
1) so from the searching ive done i hear that front and rear 8" thirds are interchangeable in 85 4runner. is this correct?

2) I currently have rear spool and front detroit, this is my DD so i want to swap them to make my tires last a little longer, ( rears are rounding quick from spooling around corners) is this a good idea, dumb idea, even possible? - I am aware that turning will be difficult with the spool up front and locked-engaged

3) if above is possible and not completely dumb, is there going to be an issue with strength from running detroit rear and spool front when I install dual cases?
1) Yes.

2) Put the Detroit in the rear and get a selectable up front, ARB or e-locker.

3) Nope.

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Old Mar 4, 2009 | 10:24 AM
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the rig I just bought came with dual cases assembled just need to be installed, it also came with twin sticks. Im excited to get them in, i just need a little thing called a garage. is there a limitation to what gears you can put in an e-locker, i always see 4.10's 4.56's
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Old Mar 4, 2009 | 11:05 AM
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If you switch the spool up front, you are going to have one hell of a time turning when in 4wd. You'd have to get hydro assist for the trail or you are going to hate your life.
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Old Mar 4, 2009 | 01:13 PM
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yeah i already have hydro assist so hopefully it wont be so bad
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