Urgent Help,Need a picture of frame dimensions for a 73-80 chevy 4x4 pickup. If anyone out there has a GM chassis service manual there will be a page with blueprint frame pictures with dimensions. need the page picture copied and emailed to malibu@optonline.net can recieve a fax as well.must be 4x4 truck. my front horns are out a little and i am squaring them monday morning. frame is bare. someone out there into these trucks must have a GM chassis service manual,i cant find one in a timely manner. all help is appreciated. thanks