Does anyone no of a place were i can get books to show how fuel line, brake line and other things are ru and how they would have looked.I am starting to do a full restoration on my chevelle.

The GM assembly manuals will show most of this info. Check with the site sponsors, they are a common items being reprinted for most model years.

http://cgi.ebay.com/ebaymotors/CHEVELLE-EL-CAMINO-1969-Assembly-Manual-69-Malibu-SS_W0QQcmdZViewItemQQcategoryZ6760QQihZ015QQitemZ2 50208955468QQrdZ1QQsspagenameZWDVW
here's a manual i have that has helped me a lot. it does show the fuel lines, brake lines and pretty much everything else.