Slowly working my way to getting the fuel tank ready to reinstall. One job I've been dreading/strategizing is the tunnel that connects the two floor pans. I'm not sure why Toyota chose to add a tunnel in this area, as there's definitely no driveline anywhere in the vicinity. I briefly considered just welding in a flat piece of steel, but then ultimately opted to take the hard way out and more or less recreate the stock piece. I feel that is piece is actually an important structural floor element, so I didn't feel comfortable re-engineering it in any major way.
I lost my phone for a bit there, so I wasn't able to document the construction process, but suffice it to say it involved a lot of bending, re-bending, un-bending, re-re-bending, etc. to get it symmetrical and more or less the right shape.
Here's the new tunnel next to what was left of the old one. Definitely didn't much to go on in terms of a pattern.
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The fit looks good overall. It's not attached to the back wall just yet, as I have some rust repair to do in that area.
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Here's the underside, showing how it's put together. Most of the seams are welded inside and out, for strength, and to give me a little extra leeway for grinding.
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...and here it is, welded in place! Because this will be out of sight under the bench seat, I'm not going to worry about grinding the plug welds flat. Will run a bead of seam sealer along the edges before I paint.
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Work on the Cruiser will probably slow down a bit as my wife and I are in the process of renovating a house, but still hoping to have this on the road by late spring!