Ever since I have owned my C-160 (3 years now), I've had fuel issues. From running out of gas and not re-priming to vapor lock and raw fuel smell in my garage. Last year I installed an electric pump,( Napa # 610 1051) but had issues with fuel running out of the carb after shut off.   I tried a fuel pressure regulator but the piece of crap failed and caused he tractor to not run at all. I switched back to the mech. pump and installed a spare carb. that I rebuilt. Lately I've been having start