Actually orange peel is caused by an inaccurate fluid adjustment. Too high an air pressure causes runs and sags.
The best way to reduce the affects of orange peels is to increase fluid flow and adding a slower reducer. More paint flows better than too little paint. A slower evaporating reducer allows the paint to flow before becoming too thick by the evaporations of the reducer.
Even the clear coat of a bc/cc system will orange peel if the gun adjustments aren't correct. It's just easier to sand out the imperfections, then buff and polish than it is with a single stage paint.
