i just found the address of a lady in michigan withh the org build sheets for the following year cars.
1969 mustangs and cougars-dearborn only
1970 thru 1973 mustangs and cougars-dearborn only
1970 mustangs onlf from metuchen
1976,77,78 mustang2's dearborn only
NO SHELBYS SORRY
1970and 71 torino and montego lorain
1969thru 1975 linclons and marks
1962 and 1963 tbirds roasters and conv only
1964 thru 1966 and 1969 t birds all modles
1972-1973 maverick incl grabbers dearborn only

this is how my dad got our build sheet for my mustang it cost 30 bucks each, she asks for a copy of registration or title as proof of ownership.we did it in 1993 i hope she is still selling them we found her in mustang monthly so good luck.
here is the address

Lois C Eminger
box 220
dearborn michigan 48121-0220

 

I am pretty sure they are now available from Marti Autoworks.
http://martiauto.com/eminger.htm

 

What happened to poor Lois??????

 

i checked that site out and that was the lady we bought our sheet from i wounder if she got tired of doing it or not