The lower cowling got its nutplates installed this morning while waiting for my prop. I then headed to the airport, sanded it all down, prepped and filled it with Z-grip. I am now almost out of the Z-Grip and still have 1 good round to go. Instead of spending 35 bucks to get another gallon, I will just be using Micro to finish off the cowling. Again, this isn't the final cowl so heavy filler is of no concern. I then sanded down the leading edge lip, drilled out the holes and installed it on the airframe. Tomorrow, both top and bottom will get the edges sanded to flush with the fuselage. Then they will come home with me for Micro work and Primer.