Patch, or Replace inner fenders?

Dragging up and older thread so as not to start a new oneā€¦.I need to patch the inner fenders on my 66 Barracuda. I have had a tough time so far finding decent rust free inner fenders in my neck of the woods for an early A body. I am very capable of doing a completely metal finished patch. My question is. Are the contours the same (or close enough to be able to hammer and dolly to adjust the difference) on a 67 up inner fender to plug the hole on the early A body fender well header holes or are the 64 to 66 completely different in that area? I can make the patches from sheet stock if need be but if the later model inners would work as a patch it would save tons of time doing the repair

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