After my Disc brake upgrade the van was driving as if it were out of fuel. Puzzling as the tank was half full and the fuel pump was new I decided it might be time to pull the tank. Having to use a reservoir tank directly to the carb to get it home verified this.

After draining 20 gallons out of the tank and pulling it out, it became evident that sediment had built up in the last 40 years and the original sending unit needed to be retired. Since this is a custom 29 gallon tank put...