I don’t think heat and/or air circulation would be an issue. Most of the airflow through the engine compartment comes from under the car. You might want to talk to Larry Stock at Pantera Parts Connection. Larry is in the plexiglass business and would have lots of valuable insight into what you’re considering. Somewhere, I have a photo of a Pantera with a clear acrylic engine cover. Let me see if I can find it.
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