GMC site:
http://www.cckw.org
GMC site:
http://www.cckw.org/phpbb2/index.php...73e49bf233af59
And the best for you regarding fuel service:
Wheels of Victory has many nice photos of what you are looking for. And they are thanks to Ron Perry. Click on Fuel Service!
http://www.wheelsofvictory.com/index11.html
Rolf