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View Poll Results: What wall thickness should I go with?
Use the 3-16 wall tube 13 86.67%
Use .120/1/8" wall tube 2 13.33%
Voters: 15. You may not vote on this poll

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Old June 30th, 2011, 04:38 AM   #1
Paintballpsyco236
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Default XJ Rocker panel decision...

Hello all. So here is my issue: I have a 88 XJ that is getting a MAJOR overhaul and rebuild. Part of the project is new rocker panels and I am having a hard time making up my mind for them. I am set on the dimensions being 2x6" rounded edge box tubing, starting with a 6' piece on each side and cutting/capping to fit. Now where I am having an issue is deciding on wall thickness. I already have some in the dimensions I need, but it is 3-16 wall and weighs close to 100 lbs or more per side! I would ideally like to go with something like .120 wall or 1/8" the latter being preferred so I get better gas mileage. Now the 3-16 would be much safer in the event of a side impact, would last a lot longer on the trails and I already have it so I would not have to go through the trouble of selling it to buy the other stuff... However, the gas mileage would drop because of the weight and I really don't plan (famous last words I know) on doing any hardcore wheeling or crawling or anything like that for a long time.

So far the rig has front and rear axle swaps to a 98 D30 front and a Ford 8.8 rear. Roughly a 5" lift, front winch bumper (no winch yet though) and soon to be a custom rear bumper. All the floors are getting replaced with thicker steel, welded to the "frame rails" and this rocker tube, with some cross supports 33" tires with 4.10 gears and an AX-15 trans with a 231 T-case. The rockers being the next step in this build, I need to figure out what I am going to do about them as soon as possible so I can get the steel prepped and ready to weld in...

I haven't done a poll on any thread before so I figured I would give it a shot. So what do you think, use the 3-16 wall I have, or go with 1/8"/.120 wall tube? Also care to weigh in on which would be better and why? Thanks for your input, it is greatly appreciated.

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Old June 30th, 2011, 05:20 AM   #2
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These are something that are welded in and not very easy to replace. I'd go with 3/16 and I don't think you will even notice the weight difference.
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Old June 30th, 2011, 10:11 AM   #3
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agree no reason to do it twice
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Old July 13th, 2011, 07:39 AM   #4
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I had 3/16" rock rails (jcroffroad.com) and they stood up to repeated abuse of having the full weight of the vehicle (on the related side) crash down on rocks. The result? Paint damage to the rockers and *zero* deflection of the rail at the impact area.

IMHO, 0.120 wall sounds fine for what you want to do. Think if it this way - if you ever find you need more beef down the road, you can plate the exterior of your rails with 1/4" stock that is easily available in 2" and 6" widths.
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Old July 13th, 2011, 07:44 AM   #5
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I think if you are worried about gas mileage you should get rid of your jeep and buy a prius.
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Old July 13th, 2011, 05:38 PM   #6
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Quote:
Originally Posted by RDK_YJ88 View Post
These are something that are welded in and not very easy to replace. I'd go with 3/16 and I don't think you will even notice the weight difference.
I am thinking of just doing that. I had posted this on a couple other forums I am on and I got a number of very good reasons to just use the 3/16 tube I have, Also though, I thought they weighed more, they really don't weigh quite as much as I had thought lol.

Quote:
Originally Posted by ScOoTeR View Post
I had 3/16" rock rails (jcroffroad.com) and they stood up to repeated abuse of having the full weight of the vehicle (on the related side) crash down on rocks. The result? Paint damage to the rockers and *zero* deflection of the rail at the impact area.

IMHO, 0.120 wall sounds fine for what you want to do. Think if it this way - if you ever find you need more beef down the road, you can plate the exterior of your rails with 1/4" stock that is easily available in 2" and 6" widths.
I like the idea of being able to plate them later (might do that with some other mounting points later on) but I think I may just stick with using the tube I have for now. The general consensus seems to be to use what I have. It will save me some time and money too so I think I will go that route for now...

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Originally Posted by curbdog17 View Post
I think if you are worried about gas mileage you should get rid of your jeep and buy a prius.
All I will say to this is F Prisus's, F Toyota and F ALL FOREIGN CARS!!!! I will say nothing more as I don't want to turn this reply into a rather long rant...


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Old July 13th, 2011, 05:55 PM   #7
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2" x 6" x 3/16" wall weighs 9.42 lb/ft
2" x 6" x 1/8" wall weighs 6.46 lb/ft

I don't think a difference of 18 lbs per slider is worth the effort of selling what you have and buying 1/8" wall. If you didn't already have material it might be a different story.
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Old July 13th, 2011, 07:37 PM   #8
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my first set of sliders were .120 wall, after a few seasons they were in rough shape. When i did my overhaul I went to 1/4" wall 2x4 tubing, i use the crap out of them and they take all of it!
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Old July 14th, 2011, 03:31 AM   #9
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Quote:
Originally Posted by Bullet View Post
2" x 6" x 3/16" wall weighs 9.42 lb/ft
2" x 6" x 1/8" wall weighs 6.46 lb/ft

I don't think a difference of 18 lbs per slider is worth the effort of selling what you have and buying 1/8" wall. If you didn't already have material it might be a different story.
It definitely isn't worth changing materials lol. At least not at this point. I for some reason thought they were a lot heavier when I first got them. Not sure why I thought that either lol. I think someone posted either that same thing or something similar on NAXJA. AS of now I am going to use the tubes I have. Now I just need to get a welder so I can do that, put the rest of my floor in and then put my bumpers together lol.

Quote:
Originally Posted by 89xjr View Post
my first set of sliders were .120 wall, after a few seasons they were in rough shape. When i did my overhaul I went to 1/4" wall 2x4 tubing, i use the crap out of them and they take all of it!
I thought about it and while .120 wall might be better right now for my purpose, I already have the 3-16 wall, and this way I don't have to do anything down the road. I will and probably should beef up the front axle mounting locations, maybe Ballistic Fab axle brackets and plate the body mounts, or go longarm or something, but I will deal with those issue when i got there...

Thanks again for all the help and info,

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Old July 14th, 2011, 03:41 AM   #10
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Accidental double post, please ignore this post. If a mod gets to this, please delete this one. Thanks,

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