wanted 37 122" W.B. parts car

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I need to replace sheet metal - floor / trunk pans, inner rear wheel wells on a 37 Hudson 122" wheel base car. I've found a guy in Dewart Pa to the work and fabricate any parts however its expensive. I'm trying to locate a parts car to keep the cost down. Models 73/74/75 have the 122" wheel base and the frame dimensions are the same. So I believe pans would be the same. Does anyone know of a parts car out there? Robbie Williams is also helping me on this project.

Thanks all - Henry B