on this site it says
http://www.nastyz28.com/gm-chevy-codes/chevy-engine-codes-suffix-5.php
HD was in A,F,and X bodys. so it could be from other than a Camaro so the vin numbers could be right, just not out of a Camaro
And on this site
http://www.novaresource.org/codes.htm#1969
the 19 (1) says it was in Oshawa, ON Canada Automobile Assembly Plant
http://www.nastyz28.com/gm-chevy-codes/chevy-engine-codes-suffix-5.php
HD was in A,F,and X bodys. so it could be from other than a Camaro so the vin numbers could be right, just not out of a Camaro
And on this site
http://www.novaresource.org/codes.htm#1969
the 19 (1) says it was in Oshawa, ON Canada Automobile Assembly Plant