1971 402 big block long wheel base Chevy truck

71 Chevy bb lwb Cheyenne, motor uses water, blown intake or head gasket or ? I don't know. Most everything else has less than 10000 miles on rebuild or replacement. Have folder with pics of the body and paint work. Truck has a 700r4 trans, hounds tooth interior, tilt steering column, tachometer, wood grain,chrome front grille, to much to list, email me through eBay for more information