So, here's a bit of progress: 1/2" cut from the neck top, steel spring retainer made, 1 7/8" machine spring found, about 1" travel, twice stock. Frame has Dupont Chroma black base with .015 Little Daddy Roth silver flake and clear. 1952 Pencor power mower 4.25 x 8.25" gas tank with Dupont...