i have been trying to decode my 67 but there is a set of numbers i can seem to lookup. can some please help.this is how they are on the cowl tag.

o1d
st 67-13817 atl 10340
tr 763-b h-h
w 2mgs
-171606 its also got 13 stampted here

the w 2mgs -171606 is the numbers i cant seem to find thanks

Option Group 1:
W=A31 Tinted Windshield only

Option Group 2:
M=M35 Powerglide Transmission
G=D55 Floor Console
S=U73 Rear Antenna

171606 is an internal assembly plant tracking number of some sort with no known meaning.

http://www.chevellestuff.com/tech/trim_codes.htm

and

http://www.chevellestuff.com/67stuff/67velle/67_trim_tags-atl1.htm

will help