This car was painted with single stage enamel 27 years ago.
People who say to avoid single stages don't know their *** from a hole in the ground. I wish people would just stop trying to spread bad info with their ignorance. A single stage will hold up very comparably to a base/clear if the correct amount of reducer and hardener is used and the car is prepped RIGHT. I would not recommend clearing over a single stage enamel. The clear will tend to yellow from the reaction and will eventually lift. Cars were painted with single stage paints for decades and lasted a long damn time. I'm now doing some resto work on the old Chevelle. Got the numbers matchin long block assembled last night, in fact.