Splendid! Glad to see your images showing up again.
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Just to be clear, the sides of Seaboard 3040 and 3941 were replaced with actual aluminum panels, intended to wear better than the Ply-Metal (plywood with a thin steel veneer,) sides, that Electro-Motive applied as original equipmenty to its cab units. In theory, aluminum did not require painting, and would not rust, like the sheet metal veneers. I believe the 3040's panels had a natural aluminum finish while the 3041's had a polished aluminum finish. However, the softness of aluminum is susceptible to abrasion by windblown dirt, which scars, dulls and basically compromises the finish, the result of which one could easily see when comparing the finish of a new Amtrak Horizon car, to one that has seen years of service. That is why most aluminum-clad railroad equipment is painted from the outset (like Bombardier Bi-Levels,) or eventuallly gets painted (like some earlier Boston Red Line subway cars.)
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Very nice photo, Wharton!
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