[66Submarine]

Here's some info I dug up:

http://sixty7ss.proboards.com/index....play&thread=25
http://67-72chevytrucks.com/vboard/s...ad.php?t=35042
http://www.jalopyjournal.com/forum/s...d.php?t=379775
http://67-72chevytrucks.com/vboard/s...d.php?t=322587
http://c10forum.com/forum/showthread.php?t=2542
http://67-72chevytrucks.com/vboard/s...d.php?t=177230