Okay, I've been running a dead head fuel pressure regulator for ever. Ever so often, it starts making a vibrating noise.The regulator has rubber grommets to reduce noise. Thinking of going to a by-pass regulator. Question: By-pass line should be the same as pressure? Any issues with using the 1/4" vent line on the sending unit as a by-pass? I run 1/2" pressure line to the regulator, then 2 individual 3/8" lines to the carb. Thanks for any input..