I have a 77 Chief it has a bad gas tank and am wondering if anyother vehicles gas tank fits with little modification

Not sure where you live in Washinton but there are tons of FSJ's in Wa and parts on Craigs list.    http://geo.craigslist.org/iso/us /wa

--------------------------------------------------------------
Canode's Garage http://s140.photobucket.com/albums/r15/coyoteosf/