PPG clearcoat?

using DBC basecoat... either going to use PPG 2021 or the PPG SHOPLINE clear or the omni... on the 68 panther pink dart im restoring for my mom. not sure what to choose. i have never sprayed these clears.. only used martin senour clears over DBC and rather use PPG all. any thought and opinions?????

also... will be spraying in my shop.. not a booth.