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  #1  
Old 06-03-2009, 01:19 PM
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j20brett j20brett is offline
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j20 build

Edit: Since this is a build, im linking my old threads here also.

Hood_louvers
Bumper_Build
Wheelbase_Shortened
Flatbed_Fab
Halfdoor_Fab
Rockslider_Fab
Tcase_skidplate_fab

Well since i am slowly building this pig, i might as well start a thread.

From the begining when it was stock


To a new grill, front bumper, lift, tires, and wheels


Cut the fenders for the first k-rocks run, and built a skid plate...it started a chain reaction of mods


After thrashing the bed pretty good at k-rocks and Gilmer, it was time for some drastic changes. I hated how long it was and the lack of traction i was getting. So i got an aussie locker for the front and took 18" out of the frame in the rear, ditched the bed, and built a nice flatbed for it. I had to relocate the gas tank, so i made a cradle out of quarter inch plate and bolted it up to my 4x4x.25 rear crossmember. I also built some have doors for better visibility. The bench seat was pretty crappy also, so i picked up some suspension seats also.

This is what i am thinking of. So pick the top or bottom left design. the other 2 are the bracing designs. Feel free to add pointers as this is my first cage

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"Kaiser" - 1981 J20 113" WB - 360 w/ hei/727/208-spooled hp60/detroit 14blt w/5.13's - 42's/CS144/Taurus fan/flatbed and roll bar
Future mods - 6.0l chevy

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Last edited by j20brett : 11-22-2011 at 04:07 PM.
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  #2  
Old 06-03-2009, 01:21 PM
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Bottom one.


Gonna run it into the cab?
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  #3  
Old 06-03-2009, 01:36 PM
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I havent decided yet. I would like to make a decent looking exo for it eventually, but i dont have enough tube right now. This should keep me from completely crushing the cab and killing me if/when i roll it...i hope
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"Kaiser" - 1981 J20 113" WB - 360 w/ hei/727/208-spooled hp60/detroit 14blt w/5.13's - 42's/CS144/Taurus fan/flatbed and roll bar
Future mods - 6.0l chevy

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  #4  
Old 06-03-2009, 04:32 PM
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You're making this out of DOM and not HREW, right? What size, what thickness? Do you have the chop saw/bender/welder/notcher or are you paying for stuff to fab'd?Triangles are your friend, and keeping it simple helps while actually trying to bend and notch and weld it all together....

I'd pick neither. If you're making it as an actual cage to save your life, put it inside the cab and not behind it, especially if you're limited on tube. The top of cage to somewhere between the top of the engine block and top of the radiator is all likelyhood the angle you upside down rig could be sitting at. If your (or your passenger's) head has any chance of moving into that zone, it probably will if you're rolling the rig over and trying to fight gravity. If it's just for show, a simple hoop behind the cab and some stiff legs down to the back of the bed and tie it in to the frame.

Don't get me wrong, I'm no master cage builder, engineer, or journeyman welder. I just see it as putting the cart before the horse if you're building it as a safety device and not something to look pretty while it takes up cargo space in the bed. You've got a hard top on the rig, and that should help somewhat if you roll it, but if you're wheeling it and you feel like you might need some protection, why not start out right and put it where it'll do the most to benefit you?

My vote goes for in the cab.
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  #5  
Old 06-03-2009, 06:17 PM
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If your not going to build a whole in cab cage, at least put the hoop inside the cab and have the bars go out back to frame under the bed.

X2 on triangles.
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  #6  
Old 06-03-2009, 07:31 PM
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Bottom design. And I agree with something internal. I'm not a fan of external cages. I mean you can bulid an exo around a soda can, but you can still twist and mangle it up under the tube. At least with internal, the sheet metal will only come in as far as the tube allows. Just my .02.
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  #7  
Old 06-03-2009, 11:28 PM
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Thanks for the advice. No, the cage would not be for show. I have seen too many crushed hard tops to go without some type of cage. For me, its all about the ease of fabrication, without sacrificing strength and reliability. It also needs to protect teh sheet metal. This is only the beginning point for my full exo cage. More will be added to it next year to finish it out when money becomes available. I am confident that the cage itself will protet me more than the hardtop alone ever could, even without the rest of the exo done. And as far as outside versus inside goes, it is really personal preference. DEsigned and built correctly, they perform the same.

And yes, i do have access to all necessary exquipment and tools to safely build this cage. It will be 1.75x.120 DOM

And it will tie into the flatbed, which will be further tied into the frame to prevent any failures. I just didnt have time to put all the extra detail into my drawing.
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"Kaiser" - 1981 J20 113" WB - 360 w/ hei/727/208-spooled hp60/detroit 14blt w/5.13's - 42's/CS144/Taurus fan/flatbed and roll bar
Future mods - 6.0l chevy

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  #8  
Old 06-04-2009, 05:42 PM
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I have a in cab cage that goes thru the dash. Also the front part of the halo bar actually goes into the brow on my truck
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  #9  
Old 06-07-2009, 10:08 PM
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Well here is how she turned out.






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"Kaiser" - 1981 J20 113" WB - 360 w/ hei/727/208-spooled hp60/detroit 14blt w/5.13's - 42's/CS144/Taurus fan/flatbed and roll bar
Future mods - 6.0l chevy

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  #10  
Old 06-08-2009, 07:44 AM
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Did you end up using HREW? What's the wall thickness? Did you reinforce the frame where the hoop ties in? Tad sells some pre-cut plates that fit nicely if you didn't.
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  #11  
Old 06-08-2009, 08:06 AM
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Havent finished it yet. Still need to box the frame ties and it is all 1.75x.120 DOM. I stiil need to add bracing underneath and in the back.
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"Kaiser" - 1981 J20 113" WB - 360 w/ hei/727/208-spooled hp60/detroit 14blt w/5.13's - 42's/CS144/Taurus fan/flatbed and roll bar
Future mods - 6.0l chevy

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  #12  
Old 06-15-2009, 09:41 PM
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And the rest of the build pics that i finally got around to taking. She wheels!!



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"Kaiser" - 1981 J20 113" WB - 360 w/ hei/727/208-spooled hp60/detroit 14blt w/5.13's - 42's/CS144/Taurus fan/flatbed and roll bar
Future mods - 6.0l chevy

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  #13  
Old 06-15-2009, 09:48 PM
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Nice shiny tires....
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  #14  
Old 06-15-2009, 09:54 PM
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haha! just washed them off in the stream lol
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"Kaiser" - 1981 J20 113" WB - 360 w/ hei/727/208-spooled hp60/detroit 14blt w/5.13's - 42's/CS144/Taurus fan/flatbed and roll bar
Future mods - 6.0l chevy

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  #15  
Old 06-16-2009, 12:43 AM
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nice work brett! did i miss the post on your square drive shafts?

Al
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  #16  
Old 06-16-2009, 02:57 AM
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  #17  
Old 06-16-2009, 07:43 AM
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Quote:
Originally Posted by AlsChopShop
nice work brett! did i miss the post on your square drive shafts?

Al

Yeah i made it when i built the flatbed back in march. Thanks!
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"Kaiser" - 1981 J20 113" WB - 360 w/ hei/727/208-spooled hp60/detroit 14blt w/5.13's - 42's/CS144/Taurus fan/flatbed and roll bar
Future mods - 6.0l chevy

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  #18  
Old 06-16-2009, 07:50 AM
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The J20 is really coming along, lookin good!

Looks like yall had a good time, wish I would have gone.

Rankin
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  #19  
Old 06-16-2009, 07:51 AM
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That's nice work Brett.
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  #20  
Old 06-16-2009, 07:51 AM
Ristow Ristow is offline
 
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very cool. one of my top favorite trucks on the site.
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