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Old 09-26-2019, 10:26 PM   #1 (permalink)
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FJ80 axles

Anyone running FJ80 axles? I picked up a set of axles from a 94 FZJ80 for $350 today. Search doesnít turn up much. Iím not looking forward to cutting all those brackets off.
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Old 09-26-2019, 10:34 PM   #2 (permalink)
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You are the first ever.
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Old 09-26-2019, 10:52 PM   #3 (permalink)
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You are the first ever.
you stole my reply

yep youre totally the first, they dont make aftermarket knuckles for them either

https://www.pirate4x4.com/forum/axle...igh-steer.html
https://www.ruffstuffspecialties.com/catalog/R2149.html
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Old 09-26-2019, 11:14 PM   #4 (permalink)
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yes all the brackets come off. its fun, or that's what you'll need to tell yourself
hellfire knuckles(now owned by Ruffstuff) or use the Slee hightseer kit with your 94ABS knuckles (not nearly as strong).
63.5"wms and huge birfields is what you get

and need this-
https://forum.ih8mud.com/threads/7x-...l-hubs.449578/
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Old 09-26-2019, 11:19 PM   #5 (permalink)
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You are the first ever.
Search only goes back 3 pages. Itís fucking garbage. Half the time it doesnít even work. I do not plan on changing out knuckles. Steering will most likely be home brew with heim joints or the factory tie rod ends. I got the front axle for $50. The studs for the passenger side steering arm were sheared. They thought the axle was garbage.
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Old 09-26-2019, 11:19 PM   #6 (permalink)
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I have an FZJ80 and a 1st gen 4runner. The only problem I see with the front axle is having to find high steer knuckles. They seem to be going for around $1000 which is kind of pricey IMO. At that point you might as well buy an afrermarket housing and transfer all your mini truck stuff over. The Birf is bigger, but you still have the 8" ring gear.

The rear is a strong and runs the 9.5" ring gear, but you end up giving up some ground clearance. Also, it doesnt have a centered 3rd member its offset slightly to one side. That may cause it to interfere with the gas tank. Some people also say it may cause vibration issues due to being offset. Lastly, i think some 94s used a semifloat rear instead of a full float. If you have the semi float, I wouldnt waste the effort to build it out. Also, if you have the elocker rear axle make sure you machine out the splines so they dont teist and get stuck.

https://forum.ih8mud.com/threads/rea.../#post-9912943


The extra width is nice though and its cool to do something a but different.

Good luck with the build.

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Old 09-26-2019, 11:24 PM   #7 (permalink)
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I have an FZJ80 and a 1st gen 4runner. The only problem I see with the front axle is having to find high steer knuckles. They seem to be going for around $1000 which is kind of pricey IMO. At that point you might as well buy an afrermarket housing and transfer all your mini truck stuff over. The Birf is bigger, but you still have the 8" ring gear.

The rear is a strong and runs the 9.5" ring gear, but you end up giving up some ground clearance. Also, it doesnt have a centered 3rd member its offset slightly to one side. That may cause it to interfere with the gas tank. Some people also say it may cause vibration issues due to being offset. Lastly, i think some 94s used a semifloat rear instead of a full float. If you have the semi float, I wouldnt waste the effort to build it out. Also, if you have the elocker rear axle make sure you machine out the splines so they dont teist and get stuck.

https://forum.ih8mud.com/threads/rea.../#post-9912943


The extra width is nice though and its cool to do something a but different.

Good luck with the build.

Sent from my SM-G960U using Tapatalk
Rear is full float. Non elocker.
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Old 09-27-2019, 06:32 AM   #8 (permalink)
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The Birf is bigger, but you still have the 8" ring gear.


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It is an 8" still, but it is a high pinion which is a step up in strength vs. the mini truck 8".

For the money you have invested I'd run them. I don't think they would benefit someone enough to dump a shit ton of cash on a set. I know that axles are the next step once I get my truck back up and running. Looking at prices, I think it is almost as cheap to build a 609 using an aftermarket housing and early SD 50 or 60 knuckles vs. trying to find an 80 series axle cheap or a Chevy 60.
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Old 09-27-2019, 02:34 PM   #9 (permalink)
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sell them for profit and put it towards more common cheaper axles to build
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Old 09-27-2019, 03:16 PM   #10 (permalink)
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It is an 8" still, but it is a high pinion which is a step up in strength vs. the mini truck 8".

For the money you have invested I'd run them. I don't think they would benefit someone enough to dump a shit ton of cash on a set. I know that axles are the next step once I get my truck back up and running. Looking at prices, I think it is almost as cheap to build a 609 using an aftermarket housing and early SD 50 or 60 knuckles vs. trying to find an 80 series axle cheap or a Chevy 60.
Itís only cheap to build a 609 if you donít upgrade anything. At that point why bother. Low pinion and 30 spline, welded diff. Might as well stick with yota axles.

Also not doing hi steer on 80 axles? Still having the tie rod on the back? Running drive flange or selectable hubs? The square housing makes it fun to run leafs.
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Old 09-27-2019, 05:03 PM   #11 (permalink)
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For a dd/mild wheeler it can be done cheap.

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Old 09-29-2019, 11:56 AM   #12 (permalink)
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For a dd/mild wheeler it can be done cheap.

I donít understand why anyone still uses photo bucket
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Old 09-29-2019, 06:42 PM   #13 (permalink)
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I donít understand why anyone still uses photo bucket
because it works fine?
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Old 09-29-2019, 06:45 PM   #14 (permalink)
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because it works fine?
How the fuck can you say it works fine? All the pics and blurred behind a paywall. That company ruined countless threads. Fine...ffs
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Old 09-29-2019, 07:58 PM   #15 (permalink)
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How the fuck can you say it works fine? All the pics and blurred behind a paywall. That company ruined countless threads. Fine...ffs
If you squint hard enough the picture becomes clear. I got the rear axle taken apart today. Pretty sure is I blew up a vertebra or two putting that fucking axle on jack stands. I should have stayed with 8” shit. What do you guys use for picture hosting?

Last edited by Aisin; 09-29-2019 at 07:59 PM.
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Old 09-29-2019, 08:03 PM   #16 (permalink)
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if youre not dumb they work fine

pictures are perfect for me

here ya go dummies
https://www.google.com/search?client...hotobucket+fix
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Old 09-29-2019, 08:24 PM   #17 (permalink)
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For a dd/mild wheeler it can be done cheap.
I cant take that seriously with the sore dick "stabilizer".
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Old 09-29-2019, 08:38 PM   #18 (permalink)
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If you squint hard enough the picture becomes clear. I got the rear axle taken apart today. Pretty sure is I blew up a vertebra or two putting that fucking axle on jack stands. I should have stayed with 8Ē shit. What do you guys use for picture hosting?
Itís is 8Ē still I have the same front diff in my mini axle. Been there since 01.

Pic hosting is postimmage.org it was recommended from someone here and it has been very easy to use.
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Old 09-29-2019, 08:42 PM   #19 (permalink)
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if youre not dumb they work fine

pictures are perfect for me

here ya go dummies
https://www.google.com/search?client...hotobucket+fix
Iím slightly smarter than dogs, I got that going for me. Iím on a Apple mobile device. Iím guessing it wonít work, but Iíll give it a try. I donít own a computer. Only iPad and iPhone.
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Old 09-29-2019, 09:09 PM   #20 (permalink)
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I own Only iPad and iPhone.
i found your problem
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Old 09-29-2019, 09:22 PM   #21 (permalink)
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It’s is 8” still I have the same front diff in my mini axle. Been there since 01.

Pic hosting is postimmage.org it was recommended from someone here and it has been very easy to use.
I’m referring to the rear axle. It’s close to 300 pounds. A lot more than an 8 inch axle.

Last edited by Aisin; 09-29-2019 at 09:23 PM.
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Old 09-29-2019, 09:32 PM   #22 (permalink)
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What's an fj80?
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Old 09-29-2019, 10:00 PM   #23 (permalink)
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What's an fj80?
Itís not as cool as a fj79. And they have a heavy rear axle
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Old 10-08-2019, 03:52 PM   #24 (permalink)
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Itís is 8Ē still I have the same front diff in my mini axle. Been there since 01.

Pic hosting is postimmage.org it was recommended from someone here and it has been very easy to use.
not if you get creative

Take a SF 9.5" and put the front fj80 balls on it with some Hellfire knuckles, match it with the FF 9.5" rear: the way Toyota should have done it.
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Old 10-09-2019, 05:32 AM   #25 (permalink)
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Anyone running FJ80 axles? I picked up a set of axles from a 94 FZJ80 for $350 today. Search doesnít turn up much. Iím not looking forward to cutting all those brackets off.
Im running a matching set in my tacoma with the stock knuckles and steering arms.

https://www.pirate4x4.com/forum/toyo...lla-2-0-a.html
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