I had this problem develop over the years as gasoline changed. Rather than fight the issue I installed an electric pump. Problem went away. Got a pump with 2-1/2 PSI rating at 30 GPM.
1951 3800 1-ton "Earning its keep from the get-go" In the DITY Gallery 1962 261 (w/cam, Fenton headers, 2 carbs, MSD ign.), SM420 & Brown-Lipe 6231A 3spd aux. trans, stock axles & brakes. Owned since 1971.
