I just looked at the kit decals and it looks like you can sacrifice one of the Ford logos from one the end plates of the rear spoiler in an experiment. Take a piece of scrap plastic and prep it just like you would the kit part, apply the decal, and shoot the clear. If you go to Indycals website and go to their FAQ area, they say DO NOT use an enamel based clear as it will affect the white portions of the decals. It says that they have tested Model Master Lacquer and TS13 from Tamiya with no ill effects. He does recommend the use of setting solutions to help the decal bond to the paint and help prevent wrinkling. He said acrylic water based clear coats should be safe as well. He does recommend testing your clear coat first to be sure.