How thick is the lexan? Here is a pic of the 2 supports on my windshield. Metal rod with clear vinyl tube sliced and slid over support rod. You can't see them very much.

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548 cu. in., Bill Mitchell Aluminum Block, CRT 727 auto trans, Alston Chassis. 8.981et at 149.46 mph. 1.204et - 60 foot, So Far....