An example of a return line such as Hot Rod Lincoln CarbKing suggests is how I fixed my fuel percolation issue. Even though my '57 is modern compared to your I6 one bbl., the theory is the same. I have steel filter located pre-pump that has three nipples, I placed a flare tee at the carburetor so I could then run a 1/4" tube back down to the filter, this accomplished two things, it reduced the fuel pressure at the carburetor, and it allows pressure to bleed off when the engine is not running. I don't have a fuel percolation problem any longer.
Edit by moderator correcting source of info
Last edited by Phak1; 06/18/2025 1:10 PM.
