The actual priming didn't take too long. I used Akzo Nobel primer I purchased from Aircraft Spruce. The stuff is expensive, but the results are really good. It's hard to screw up the primer. I used a Devilbiss Finishline 4 FLG-670 spray gun. The gun shot the primer really well and cleanup took only 5 minutes using laquer thinner. I did have a full face respirator from 3M which filtered every odor.
The temperature outside was 60 degrees, which is in the range of the required 59 - 95 degrees. The stuff dries to the touch in about 10-15 minutes. If you are mixing the primer, don't forgot to wait the 30 minutes of induction time to let it kick off.
After the parts cured, about 4 hours, I set off riveting parts together. You can tell this primer is tough just by the texture.