While waiting to purchase the avionics, it was time to spens some quality time in the fiberglass department. Pulled the raw cowlings from storage and started the prep process. Block sanded #80 to smooth the high points. This layup has a hexagonal mesh embedded, and all the areas in between have many small depressions, pinholes, and other ugly canyons. No gel coat here. Followed Van's directions and thined WestSystems epoxy 1:1 with acetone,and painted the cowl to give it an initial seal.