Frame Stiffeners -
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  • 1 Post By BagusJeep
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post #1 of 4 Old 04-10-2019, 03:59 PM Thread Starter
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Frame Stiffeners

Anyone with any experience?

IRO looks to have the most complete set, but as I am very interested in the center RuffStuff looks to have the best center piece.

Any opinions?

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post #2 of 4 Old 04-11-2019, 11:23 PM
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Both appear to be Z shaped stiffeners, which will work OK for the centre section if welded on correctly. Some people use L section in this location, I suppose the extra fab would make it a better connection.

The Ruffstuff is only the centre section rails, the rockers need extra work as well.

You may also want to look at stregthening the floors, it is very thin metal and even a little rust will weaken these stiffeners.

Overall the IRO set is OK and good value, it will save you time making your own and is as good value as you will get. Still leaves a tremendous amount of welding but it will get you off to a good start.
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post #3 of 4 Old 04-12-2019, 02:00 AM
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What I can say is that I've sold numerous sets of the IRO stiffeners to customers and have had nothing but great feedback. It's a lot of work for sure, but a very worthwhile upgrade since as you know, the XJ uniframe is rather flexy

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post #4 of 4 Old 04-12-2019, 10:22 AM Thread Starter
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I just installed IRO 3 link. I don't like that the front axle and crossmember all land on the same 3 bolts in the unibody. The unibody was not made for it. I see it as serious weak spot. My plan is a frame stiffener on the bottom then go through the floor and cut into the frame to add a plate with nuts welded to it. I will put bolts through the 3 link brackets, through the stiffener, through the unibody (flimsy), through my plates and into the waiting nuts on the other side.

I know it will be much stronger, but I also think it will distribute the road bumps along the frame better. I'm OK for now. I just put in 4.88s in the front. Until I do the back, no 4wd. It's a real Mall Crawler at the moment.
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