I still use an old Devilbiss JGA suction feed gun with a 9000 cap for sealer and basecoat. Need to get a newer gun I guess .
I use an IWATA W-400 gravity feed for spraying clear . I have a Sharpe gravity 2.3 tip for hi-build primer . Also a small Devilbiss gravity feed for spot repair.
I have been looking at an Iwata basecoat gun , might save on materials ??