68 Cuda vin/body code question

This may help you out some, there are six pages;

http://www.hamtramck-historical.com/images/TSBs/1968/68-25-01 page1.jpg

http://www.hamtramck-historical.com/images/TSBs/1968/68-25-01 page2.jpg

http://www.hamtramck-historical.com/images/TSBs/1968/68-25-01 page3.jpg

http://www.hamtramck-historical.com/images/TSBs/1968/68-25-01 page4.jpg

http://www.hamtramck-historical.com/images/TSBs/1968/68-25-01 page5.jpg

http://www.hamtramck-historical.com/images/TSBs/1968/68-25-01 page6.jpg