Here's my 77 Warlock. 360 2v auto 4x4. I have the sideboards for it, just not in the pics.
W1 = W100
3 = convent. cab utiline bed
B = 6001-10000lbs gross vehicle weight
F = 360 LA 2v
7 + 1977
S = Warren truck plant

Do not have radiator support tag, build sheet, or underhood decal. Do have original order sheet stating Warlock package was ordered. Also have original 77 grille that needs to be put back on.