Bu my count 27-28 unused unnessasary holes in the lower fire wall, most are 1/8-5//16, those will weld up easy
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.