Here is where I stand today.   After the etch prime, I sought to apply the epoxy surfacer/sealer in mid 20 degree temps. So I warmed the frame, spray gun, and paint to try and compensate for the low air temp as the coating does not have a temperature correcting reducer like the base and top coats.  Obviously it was a foolhardy attempt.  The paint wouldn't hang and ran like crazy. I have spent the last 4-5 hours knocking back the runs, drips, and sags and am now ready to apply the red high lights.