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Anyone ever see an axle like this before?

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Old Aug 24, 2007 | 01:41 PM
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Anyone ever see an axle like this before?

This is a cool design for an axle. Incredible ground clearance.

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Old Aug 24, 2007 | 01:43 PM
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Yup, those are the OverKill Engineering axles. Pretty beefy. Not cheap.
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Old Aug 24, 2007 | 01:59 PM
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How do they do the angle? Birfs/ujoints on each end?

Portal axles seem less complicated:
http://en.wikipedia.org/wiki/Portal_axle
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Old Aug 24, 2007 | 02:05 PM
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I believe you unbolt the inspection plates to gain access to the super u-joints inside.
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Old Aug 24, 2007 | 04:22 PM
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its basically a beefed up indepentdent axle, being used as a solid axle, with the axle tubes restricting independent movement
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Old Aug 24, 2007 | 05:35 PM
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Imagine if that axle had a portal gear, then it would have far superior ground clearance then any other axle I have seen.
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Old Aug 24, 2007 | 06:50 PM
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Anybody remember that TV show Damnation Alley?
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Old Aug 24, 2007 | 07:08 PM
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There is a cool FJ80 portal axel on Pirate. Guy has insane ground clearance with a modest lift.
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Old Aug 24, 2007 | 07:24 PM
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Originally Posted by Victor
There is a cool FJ80 portal axel on Pirate. Guy has insane ground clearance with a modest lift.
That guy is my hero. Everyone told him it couldn't be done, and then said if it could, it would take a year or more. 2 weeks later it was rolling. It is the ultimate "got er done" thread.

Those are overkill engineering, as stated. They work the same as a CV, except they don't move, so they retain a gread deal of strength. Plus, since they are sealed, they can use ujoints instead of CVJs. Way cool, lotsa dough.
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Old Aug 25, 2007 | 12:48 AM
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those are old news and came out probably 5 years ago I think??? They are still nifty though

Protals and the like are very cool but you'll notice not many people use them. They are very difficult to build a rig around. They give excellent ground clearance while robbing clearance between your axle and rig. You don't want to raise your rig and with it your center of gravity and you don't want to lose suspension travel either. I wouldn't mind building my next rig around a set of mogs though
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Old Aug 25, 2007 | 10:48 AM
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Originally Posted by AxleIke
That guy is my hero. Everyone told him it couldn't be done, and then said if it could, it would take a year or more. 2 weeks later it was rolling. It is the ultimate "got er done" thread.

Those are overkill engineering, as stated. They work the same as a CV, except they don't move, so they retain a gread deal of strength. Plus, since they are sealed, they can use ujoints instead of CVJs. Way cool, lotsa dough.

wheres the link?
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Old Aug 25, 2007 | 11:20 AM
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dont suppose if one had the money that oen could use that on a 2nd gen 4Runner in the front & rear?
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Old Aug 25, 2007 | 11:46 AM
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Originally Posted by Misfit4Runner
wheres the link?
FJ80 Portal build


Last edited by amgraham; Aug 25, 2007 at 11:48 AM.
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Old Aug 25, 2007 | 12:10 PM
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thats the most insane/amazing LC i've ever seen. that guy is a genius with fabrication
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Old Aug 25, 2007 | 01:01 PM
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Originally Posted by Belize Off Road Team
dont suppose if one had the money that oen could use that on a 2nd gen 4Runner in the front & rear?
ANYTHING can be done if you have enough money ...

There's a guy who used to be on here 4Mogger that had Unimog axles (with Central Tire Inflation) on a second gen...
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Old Aug 25, 2007 | 03:56 PM
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Originally Posted by drguitarum2005
thats the most insane/amazing LC i've ever seen. that guy is a genius with fabrication
The project was cool, but genius? He put stock 80 stuff on the axles to make it work. Genius makes the truck low and improves the suspension.
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Old Aug 25, 2007 | 05:05 PM
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Originally Posted by Flygtenstein
The project was cool, but genius? He put stock 80 stuff on the axles to make it work. Genius makes the truck low and improves the suspension.
not just the axle swap he did, ive seen and am talking about all his other fab projects included
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Old Aug 25, 2007 | 05:19 PM
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Originally Posted by amgraham
George's truck is sick and it is definately no mall krawler. He frequent's Harlan and I got to see it in action this past spring in the lower rock garden. Truely an awsome rig.
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Old Aug 30, 2007 | 02:57 PM
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Originally Posted by 44Runner
those are old news and came out probably 5 years ago I think??? They are still nifty though

Protals and the like are very cool but you'll notice not many people use them. They are very difficult to build a rig around. They give excellent ground clearance while robbing clearance between your axle and rig. You don't want to raise your rig and with it your center of gravity and you don't want to lose suspension travel either. I wouldn't mind building my next rig around a set of mogs though
I agree with part of your statement but the C.O.G. statement is technically incorrect.
The easiest swap would be into a solid axle'd stock rig with the front output of the transfer case already offset to the driver's side.
To actually fab up a 4 link suspension and reroute all of the brake lines, fuel lines and exhaust is difficult to some extent, but not much more difficult to accomodate the portal axle.
The portal axle swap does not raise the C.O.G. There have been scientific studies (Land Rover with lift and standard axles, same Rover fitted with Volvo portal axles--same wheels/tires in both configurations--portal axle rig had lower C.O.G.) that have proved that the C.O.G. assumption you state is incorrect.

I can understand the misconception. That is a helluvalot of daylight under a portal swapped rig and it does *seem* to have the result of an increased C.O.G. but that is just an illusion.
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Old Aug 31, 2007 | 01:37 AM
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That LC is one of the coolest ones I've seen in a long, long time. I think that the best part is how simple it is, no high dollar custom setup, just stock stuff slapped onto a portal axle, some OME stuff, and that's it.

I'm sure that this guy did plenty of research, and planned well to have it done this quick, and I'm sure that there were plenty of things that he's had to address later, but still very impressive!!!

The only thing I am curious about is how his transmission is doing (especially if it's an auto, which I am assuming it is)

Here's a link to a video, if you don't feel like reading through the ten page thread:


http://tired-iron.mounet.com/Grace4X4/Evarts_082506.wmv

Nice rig, very clean

Last edited by b.miller123; Aug 31, 2007 at 01:39 AM.
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