Finished with cleaning, polishing as well as something special perhaps, the choice of paint metod. The original paint had a slightly special texture, almost like orange skin. Would try to preserve that structure. The surface with the original varnish was therefore given a varnish scrub, some removal of rust growth, as well as insulation of the substrate (something gel-like that binds rust), before the new heat varnish was sprayed. Did not get too bad, obviously far from perfect, as naturally a lot of the condition of the substrate appears. This also applies to the orange skin structure It was kept OK. Should light it when I have a better muffler cup. The one on the photos, is burnt to death. Lots of mounting bias on this one. Don't know how much of it was from the start. So far no easy opportunity to correct the position of the thought has been seen. May be this way. Now it's on the shelf.