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'90 cab-corner redesign

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Old May 31, 2023 | 05:48 PM
  #1  
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'90 cab-corner redesign

My cab corners are rusty and I have cut them off.

I know about buying replacements and welding them in. This thread is not about that.

I am looking for folks who have replaced their corners with something that Ford did not envision. Please show me what you've done.

Thanks for looking,

Roy

 
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Old Jun 1, 2023 | 09:04 AM
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Mine were rotted out, and I ended up welding in panels. However, I strongly considered using much heavier steel to incorporate rock sliders as I've damaged my cab bottom in rocks before. I came across a picture of a super duty with the cab corners modified to be angled up in the rear, for off road use and no factory bed installed. I can't seem to find it again.

What's your rationale for not using standard patch panels?
 
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Old Jun 1, 2023 | 09:17 AM
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Originally Posted by GoinBoarding
I came across a picture of a super duty with the cab corners modified to be angled up in the rear, for off road use.

What's your rationale for not using standard patch panels?
A buddy of mine made reference to rock crawlers with their cab corners altered, too. I can't find it, either.

Now you've done it...asked about my rationale...this makes me seem like some nut-job.

I think the stock cab corners are a rust-sucking bad design. I think they are just for looks, and are stupid.

Ford did a really cool thing with their galvanized open-bottom rockers...then, screwed it all up with the foam-filled stupidity of cab corners.

Roy
 
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Old Jun 1, 2023 | 02:41 PM
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Oh you're absolutely correct about the poor design. I did somewhat emulate the rocker design when I did mine. I used stock outer skins but the floor structure was gone too, and I had to remake that from scratch. Just have to get creative.
 
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Old Jun 1, 2023 | 03:50 PM
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on my 02 i cut out all the rot, treated what was left with ospho and let it dry.
i than filled the area with closed cell foam. when that dried i formed it to look like the stock cab corners and covered the bottom 12 inches of the cab with bed liner.
13 years now and still looks like i never did anything to them
 
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Old Jun 1, 2023 | 04:35 PM
  #6  
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Originally Posted by tjc transport
on my 02 i cut out all the rot, treated what was left with ospho and let it dry.
i than filled the area with closed cell foam. when that dried i formed it to look like the stock cab corners and covered the bottom 12 inches of the cab with bed liner.
13 years now and still looks like i never did anything to them
Almost anything would be better than what Ford did.

I have a couple/few days before I decide how to go...still hope to see some non-Ford shapes.

Roy
 
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Old Jun 6, 2023 | 10:43 AM
  #7  
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I am close to the end-of-cutting on #1 cab corner. Still looking for non-standard design options.


 
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Old Jun 6, 2023 | 11:24 AM
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Originally Posted by irhunter
Now you've done it...asked about my rationale...this makes me seem like some nut-job.

I think the stock cab corners are a rust-sucking bad design. I think they are just for looks, and are stupid.

Ford did a really cool thing with their galvanized open-bottom rockers...then, screwed it all up with the foam-filled stupidity of cab corners.
The sound deadening foam was not a great idea but then again they are in the business of selling new vehicles. They didn’t care about it holding water and causing rot. Not only that but your 1990 F-Series truck is 33 years old. Sheet metal is not going to last indefinitely. The guy that repaired my cab corners and outer floor/rocker panels replaced the metal with standard patch panels. No foam was put back in the corners.

Why couldn’t you do the “standard” repair making sure to treat the metal inside the corner and add a drainage hole?
 
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Old Jun 6, 2023 | 12:16 PM
  #9  
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The foam is not the only problem. That triangular area, at the bottom, between the outer skin panel and the C-pillar...very bad. And, other stuff.

My rockers are great. My cab corners could have been too, if correctly designed...33 years notwithstanding.

Anyway...Post #3...I mention that I am a nut-job. Especially, regarding my perception of poor rust-related design.

 
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