I have had some brake problems in the past on trucks,all sounds logical but if calipers were stuck I don't think they would release with just bleeding the fluid. I would check that booster for fluid then check your vacuum pump lost my pedal on my 92 ...
may not be much help but for the first start up ,I would hot wire it direct off the battery. My 1992 has a electric fuel pump so check that make sure it has fire too. I'm going to disconnect my fuel line and go to a gas can. mixed with chem 12 strong...