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RockChucker

Well-Known Member
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Highland
I was hoping to run my exhaust down the passenger side, plenty of space with a driver drop front axle!

So many things hanging in the balance until I can get the frame modified.
It was easier to package exhaust and a control arm than a driveshaft and control arm. Like you said…need to get parts and start mocking things up. Your mind sees things one way. And then the reality of space taken up by components hits. Excited to see where this thing goes
 

Greg

I run a tight ship... wreck
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It was easier to package exhaust and a control arm than a driveshaft and control arm. Like you said…need to get parts and start mocking things up. Your mind sees things one way. And then the reality of space taken up by components hits. Excited to see where this thing goes

Thanks Dave! I appreciate all the ideas and info. 😎
 

Greg

I run a tight ship... wreck
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late to this party, and not sure if it's been mentioned but re: PS pumps and whatnot, GoatBuilt makes some nifty brackets to move things around to better positions. If you haven't, check 'em out.

Nah, this party just got started!

I'll check out the GoatBuilt brackets, didn't realize they were making those, too. Lots of the LS accy brackets are made for muscle cars & hot rods, it's nice to have someone building the accessory drive brackets for offroad applications.

Found 'em! - https://goatbuilt.com/product-category/ls-accessory-brackets/
 

Greg

I run a tight ship... wreck
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So I'm trying to figure out how to finish the back of the tub and lay out the bed space. I'm going to try to do this right... so that means more work & effort on my part. I decided to cut the rear upper tub corners off and use those pieces to cap the tub. I'll work on blending the inner wheelwell area better with more cutting and fitting. I'm planning to leave the 'tailgate' area of the tub wide open so I'm not limiting the floor space and accessibility. (We will see about that).

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As mentioned, I really need to get the new frame rails in place so I can know where things will actually fit. I've ordered the TJ front-half and LJ back-half frame pieces from MotoBilt, so at least they're on the way.

And just for future information, the difference in TJ and LJ frame specs is as follows. The dimensions are about the same from about the t-case skidplate forward, except for the following:
  • The frame is 10 inches longer between the door cutout and the rear wheel.
  • The frame is 5 inches longer between the rear wheel and the rear bumper.
That means I'll have 15" more frame length to work with. And just for the sake of writing specs down... I currently have 8" of tub floor behind the seats. With the LJ back-half kit, I should have another 44" of frame (behind the tub cut) to work with. So the floor of the bed should be close to 52" total length. That should provide for plenty of room for the fuel cell, cooler and tools. I think this is going to work out quite well!
 

Greg

I run a tight ship... wreck
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Well, I really wanted my next update to this build thread to be finished pics of the rear tub corners but I just ran out of welding gas and the passenger side isn't done. The work has been meticulous, it's real easy to screw up welding sheetmetal and then spend way too much time fixing it. The work is hardly show car quality, but it's plenty good for a rock crawler. There will be a little body filler added and it'll look decent.

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Oh, spot weld drill bits are awesome! I had to free a support from the tub and drilled out the spot welds from the back side, preserving the piece I needed without any additional holes.
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Greg

I run a tight ship... wreck
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Bart

Registered User
Location
Arm Utah
Not sure if you're keeping the inner wheel wells, but you can get them to match up if you make some relief cuts and pound them up. That's how I did the LTJ. My guess is you will cut them out and make more room inside, which will eventually be my plan.
 

Greg

I run a tight ship... wreck
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Greg, I think that YJ doors fit on a TJ if you change out to a YJ style striker pin.


Not a bad idea, I'm surprised how difficult it is to find TJ half doors... and how much they go for these days!

I was looking at these aluminum doors from JCR.- https://www.jcroffroad.com/product/...FF7R5k4i5NZ_9LwACcPRke0YqjxUTndMaAtLzEALw_wcB

GenRight makes some very similar for close to $500.



Not sure if you're keeping the inner wheel wells, but you can get them to match up if you make some relief cuts and pound them up. That's how I did the LTJ. My guess is you will cut them out and make more room inside, which will eventually be my plan.

I was going to keep them, but it's wasted space for sure and it's going to look a little funny with the tire so much further back. We will see, I've already had my fill of sheetmetal work.
 

Bart

Registered User
Location
Arm Utah
I was going to keep them, but it's wasted space for sure and it's going to look a little funny with the tire so much further back. We will see, I've already had my fill of sheetmetal work.
The sheetmetal work you're doing looks great. What welder are you using? I was wondering if you had enough floor left from the piece that was cut out to fill the corners.
 

Greg

I run a tight ship... wreck
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The sheetmetal work you're doing looks great. What welder are you using? I was wondering if you had enough floor left from the piece that was cut out to fill the corners.

Thanks Bart, skills I learned at UVU (UVCC at the time!) in the collision repair program! 😉

I'm using my ESAB Rebel with .023 wire and 20 gauge setting and the Smart MIG option. It's not that bad, really.

I may be able to fill those corners with the floor pieces. It would be really neat to take that round wheel well and make a straight piece of sheetmetal, so the tub has a angled look to the bottom rear.
 

Greg

I run a tight ship... wreck
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I'm not quite done with the sheetmetal work out back, but decided to shift gears and start working on the frame, body mounts and preparing for the Motobilt TJ front half frame and LJ rear half frame kits that should be arriving soon! I lopped the front frame rails off just behind the factory spring/shock mounts. The rear was chopped off just forward of the factory coil spring mounts.

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I ordered a set of Artec TJ Boatside Body mounts that will lift the body 1.25", helping make a little more room for the Atlas and hopefully a flat belly. I carefully measured the centerline of the stock body mounts so I knew where to place the new once. I spent a lot of time with the Sawzall and Grinder, chopping off the stock body mounts, cleaning up the welds then went to work on removing the suspension mounts and motor mounts. I still need to cut off the lower mounts, but they look like a PITA so I left them for tomorrow when it's cooler.

These boatside body mounts are awesome, they are built beefy and they're built so rocks slide past them smoothly. With the drivers side tacked in place and looking like the measurements were right, I lifted it into place and checked alignment. Looks good! I'll fully weld them in place tomorrow.

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RockChucker

Well-Known Member
Location
Highland
Easiest way i've found to cut off the lower control arm mounts is to use a cutoff just inside of the weld and watch your depth so you don't cut into the frame. A hammer gets rid of them easy when you're most of the way through and the remaining weld/metal cleans up quick with a flap disc.
 
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