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Author Topic: Cage Stanchion Strength  (Read 355 times)

connor0770

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Cage Stanchion Strength
« on: March 02, 2017, 11:53:03 AM »

So I want to get started on my cage since I'm planning on tying in my coilovers to the horizontal bar between my B and C pillar.

What is everybody's opinion on the dash cage stanchions? I have access to a bender and will be doing the the remainder of the cage myself. I dont really want to cut up the dash and screw with the AC vents.

1) Would you trust them? I do plan on tying every pillar into the frame.
2) Which design is stronger? A pillar welding to top of stanchion (genright/poisonspyder) or dash cross bar welding to side of stanchion with A pillar welding to crossbar (motobilt).

Motobilt (my favorite):
https://www.motobilt.com/jeep-tj-lj-cage-dash-tie-in.html
Genright:
http://genright.com/products/tj-lj-cage-stanchions.html
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timatoe

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Re: Cage Stanchion Strength
« Reply #1 on: March 02, 2017, 12:41:20 PM »

I don't know if one is going to be much stronger than the other.  I'd think in theory because any roll pressure would be pushed down on the top of the Genright it should be stronger than the side shear of the Motobilt but it's just a piece of bent plate with a small gusset vs the amount of weld area on the tube on the side so I don't think it's necessarily "stronger".  I think the frame tie in would be key to either.

I like the way the Motobilt looks (and it's less than half the price).
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Mr.B

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Re: Cage Stanchion Strength
« Reply #2 on: March 02, 2017, 01:03:05 PM »

I don't remember what brand of roll cage Patrick has. But it does go through the dash. I seem to remember him saying that it was stronger that way. And that the A/C wasn't that hard to re-route.

A/c is over-rated anyway. :flipoff:
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timatoe

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Re: Cage Stanchion Strength
« Reply #3 on: March 02, 2017, 01:08:59 PM »

Patrick had his done down in Campbell at Arabia's Overkill.  Yeah my head is full of useless knowledge, but I can't remember anything important.
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pdangerp

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Re: Cage Stanchion Strength
« Reply #4 on: March 02, 2017, 07:48:34 PM »

Yes, Arabia's Overkill. I lost the use of the outside vents though. I did keep the small side window defrost vents. If you're going to the trouble of tying everything else to the frame, you should probably just drill through your dash.


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Scarfist

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Re: Cage Stanchion Strength
« Reply #5 on: April 07, 2017, 03:27:27 PM »

After you cut the hole in the top of the dash, use a heat gun :pissed: and tubing to remold the vent ducting.
I pulled the vent grill off and aimed the heat gun in it to warm up the duct. Started with a broom handle until I could get the cage size tube in there. With the tube down thru the dash, let the plastic cool. 
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