Technical Inner channel boxing plates

When searching for Model A boxing plates on that auction/sales site I saw these Inner Channel Boxing Plates. They are 3 sided and reportedly slip into Model A frame rails. They are also referred to as "The Boxer". They look like a good alternative to standard boxing plates, because they could be rosette welded to the frame channel, and avoid weld pulling, and warpage. Has anybody used these?

 

Not me.

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They will not achieve what a full welded plate will unless you weld them like a flat plate.

 

http://www.code504.com/the-boxer-1928-1931-model-a-inner-channel-boxing-plates/

 

I think they look bitchin.
This is how oems have made "boxed" rail chassis for years.
If it works for them.............
I feel that we hot rodders overthink this stuff.

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look good what is the price compared to the flat plates?

 

Nice stuff , just be careful they are not of much greater gauge material than OEM frame . If close all should be well . Just skip around when welding


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I had a thread on this some years back, MODEL A INNER CHANNEL BOXING PLATES

https://www.jalopyjournal.com/forum/threads/model-a-inner-channel-boxing-plates.962191/

I actually bought a set but I never used them. I did have the fronts mocked up in my frame though. I found they want to nest all the way into the frame which I didn't like for welding.

 

They work great. Been doing model As that way for years.