I am currently installing caps made by Pocono Metals, similiar to the Safe T Caps, except they are 10ga steel. I have owned the Jeep since new, it’s a 2000 and I have 215,000 mile on it! Now It’s our toy/spare vehicle. I installed a 4” lift with transfer case drop about 7 years ago and didn’t have any issues with the transmission crossmember, but missed the information on the design flaw allowing the frame to rot from within. The outside was cleaned and coated a couple times. Then when a wheel cylinder failed, I rolled under to investigate and noticed the rotted bolt holes the crossmember. That’s when I found the forum and the reasons.
I have the drivers side installed and am working on the passenger side now, will take the time to clean up everything and recoat it. When I cut open the frame, the bottom was pretty thin, but the top half of the frame was pretty good. I cleaned up the inside with a wire brush and plan to coat the inside after it’s all welded up.
I looked at this way, I recently retired, know how to weld and have a 220V MIG unit so might as well give it a shot. I have roughly $750 invested in the caps, new fuel tank skid plate, and new Magnaflow muffler. If I can get another couple years of enjoyment with light wheeling cruising around the country side.