Quarter Panel Patch- Stupid Question

Duster7286 said

I need a lower quarter patch on my 74 Swinger- picked up a cut from the Carlisle this summer.
It has the quarter panel skin and the trunk extension still attached together. Should the two be separated and just patch the quarter or cut the existing quarter and extension- Have it welded as one piece? Any benefit to this method- someone mentioned to me it may prevent any warpage on the quarter?

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I did a trunk extension and lower quarter panel patch last year and for me, the trunk extension was much more difficult to do than the quarter panel patch. Lots of tight areas and different tools required to get all the spot welds out for the trunk extension. If your trunk extension is in good shape, I'd leave it alone and just do the quarter panel extension.

Welding it all as one piece will not prevent warpage because the warpage is going to come from the butt weld down the outside of the quarter panel. Not from plug welding the quarter to the extension.