[1977transam]

The block casting # is 330817
dated j2?73

some pictures of the shortblock for you.
http://img.villagephotos.com/p/2007-...8/Img_0644.jpg
http://img.villagephotos.com/p/2007-...8/Img_0656.jpg
http://img.villagephotos.com/p/2007-...8/Img_0646.jpg
http://img.villagephotos.com/p/2007-...8/Img_0658.jpg
http://img.villagephotos.com/p/2007-...8/Img_0647.jpg
http://img.villagephotos.com/p/2007-...8/Img_0652.jpg
http://img.villagephotos.com/p/2007-...8/Img_0653.jpg

for your info the cylinders were wipped down with axle grease before packing it up and putting it away. Thats what you see in the cylinder bores.