2 things I learned on the last car I did.... If your compressor sits outside and it's cold in your neck of the woods you need to warm your air up a little bit. I insulated all of the pipes with pipe insulation (from home depot) from the compressor to the wall going into the garage. Then I used the old heater core from the 73 Roadrunner I was painting with air lines from the regulator to the heater core then out of the heater core to the hose going to my paint gun.

The next thing I learned if you put a couple extra coats of clear on so you have extra clear to wet sand off to get the paint perfectly smooth. The flash times are progressive. If you waited 20 minutes after your first coat of clear wait 30 minutes after your second coat, 40 minutes after your third coat, 50 minutes after your fourth coat and so on.

These 2 things made a major difference for me on my last project