Here's my attempt.
JS23N0E127979
J = Dodge Challenger
S = Special, R/T
23 = 2 Door Hardtop
N = 383 330HP OR 335HP 1-4BBL 8 CYL
0 = 1970
E = Los Angeles, CA, USA assembly plant
D32 = 727 torqueflite
E63 = 383 4bbl
FC7 = Plum Crazy
V1W = White Vinyl Top
A62 = Rallye Instru. Clustr
B51 = power assit brks
C16 = console w buckets
C55 = Bucket seats
J25 = 3spd var wipers (cool)
M21 = drip rail moldings
N41 = duel exh w/o tips
N42 = crome duel exhst tips (contradiction with above)
N85 = tach
R35 = am/fm multiplex st radio (nice)
V1w = White Vinyl top (again?)
V6W = white longitudinal stripe 70
Y14 = sold car 69-71 (sold order)