hi, new to this site. got a question for somebody knowledgeable about hvlp gravity guns. i'm an old conventional gun guy, spraying cabinets with precat waterwhite mac lac.for the life of me i cannot seem to get rid of orange peel. lowered pressure added little more fluid. and also just the oppisite. same. i don't think i should have to thin at all because same material at low p.s.i. in my coventional gun and it sprays beautiful. the hvlp gun i have decided to get my feet wet with is the h.f.43430. have my5 hp 25gal craftsman at 120 p.s.i. to filters to gun. reg. at gun set for 40p.s.i. the fan is set for about 4 fingers wide and..................any help would be appreciated. on a piece of clear maple 2x32 i go across about 2 to 3 seconds an then back