My '72 4 door daily driver had a LARGE rust hole in the driver front that I've been wanting to patch since I got it late last summer. I recently bought another '72 4 door parts car that had a pretty nice floor pan so I cut it out & finally did the repair today. I just ripped several small pieces of the old floor away & jig sawed the edges to make it more uniform. One part of the floor was so rusty that just by pushing down with your fingers you could feel & hear the U joints hitting the floor. I had a piece of plywood & 3 or 4 floor mats to cover the hole, mostly anyway.
I drilled out the spot welds from the donor car & lined everything up as best I could, lightly cleaned the mating surfaces & used some supposed awesome adhesive along with many self tapping screws to make the repair. The rest of the car has some rust issues that will one day doom it to parting out but not yet!!!
After that I installed some lightly used carpet a friend donated & hope to test everything out tomorrow.

Also the donor car had electric rear defogger & a posi, both going in Greenie as time permits.


Daily
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Donor car.


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WOW that was some rust..

 

Ah, the optional Flintstone emergency brake system...

 

But now you wont be able to see who you hit as they pass underneath.
just kidding...maybe


Let us know how the glue works. I've never seen it done that way before.

 

Depending on witch glue/ bond it is said to be stronger then a weld

I do believe, you have to have clean bonding surface! I don't think that will hold very well, because you didn't prep correctly. I may be wrong depending on brand.

 

The stuff I bought at Menards says it is for metal, & several other materials & said no prep. is necessary. It says you can even apply it to wet or oily surfaces. I did take a wire brush & did a quick clean to the surfaces & so far so good.

After reassembly & driving it today it is MUCH quieter & seems to be just fine. Like I said, it is not expected to be a long term repair. I figure in a year or 3 it will be rusty enough that I won't feel bad about parting it out.

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