Looks like I'm going to use the gas tank out of a 93 Geo tracker, a little small at 11 gallons but it will fit with very little fabrication
69.5 A12 Bee, first purchased in 1976, car 169 on registry
69 Coronet R/T 440/4 spd
69 Coronet 500 Conv H code 383 4bbl/auto
37 Plymouth PU
Find your spot on earth and ride it.