From an insurance perspective, it doesn't take much to total a 68 car. If it's really too much to fix, you could part it out. Just start stripping trim, hardware, knobs, brackets, lights, etc. Some stuff is really hard to find expecially for a concours collector. EBAY it.
chevy runs deep, Don't step in chevy!
289 - Holley 4150 570cfm; Performer intake; mild cam; Pertronix HEI; 302 heads; Roller Tips; Hedman Tri-Y headers; H-pipe w/Flowmaster 40's; 9 in posi 3.50; 205/50-17F; 225/50-17R.