Glad you found one!
I'm still curious about the material as I find the GM manufacturing technology to be amazing. Things like the SMC headers, endura noses, nodular cast irons, etc. are historically as significant to me as the cars themselves.
As I recall (suspect), the shroud is reinforced with long strands of a fiber. The shape doesn't make sense to me for injection molding, but I was around some big machines for molding office machine covers so it's possible.
I'm guessing it was formed from a flat sheet, sprayed or layed up on a mold, or something similar.
I'd love to hear how these were made and whether it was GM or sourced from suppliers.
Mike
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