Gunk is us. Rust and corrosion from a 30-plus-year-old gas tank entered the fuel system through an equally old sender, complete with a decomposed filter sock. LMC Truck is one-stop shopping for popular American truck replacement parts. Shown below is their repro gas tank, mounting kit, prebent lines, hardware, and fuel pump made for a complete pre-carburetor system revival. A Proform fuel filter is also shown.