Originally Posted by John_Kunkel
What material is used for the transparent panel? Plexiglass? Lexan? How does it stand up to the heat?


I used Lexan. It has a melting point of 500 degrees so it isn't really bothered by 180 degree oil. I assume that the Lexan would fail in an OEM environment but we just use these covers for dyno engines so they only get an hour of use maybe once a month.