I spent most of the day fitting, removing, sanding, and then repeat. What worked best for me as I tried to sneak up on the right amount to trim was to use the blue tape on the metal edge to better show the edge I was trying to match, then I would use some more blue tape on the cowling to show how much material I had to remove. Each time I would sand up to the blue tape (small wooden sanding block with 80 grit wrapped around it), then I would check the fit to see where I needed to remove material. This worked really well. Each time I checked the fit I would look at where the cowling was in relationship to the spinner. The cowling wants to lean a little to the right, so I had to leave a little stock on the right and trim more off the left. Once I was satisfied with the fit (or too tired to care anymore), I drilled a couple holes and taped it down. Then I started to work on the side hinges. I managed to get both side hinges drilled and clecoed in before I called it a day. It was time to wash off all that fiberglass dust.
