1997 Ford E-150 Van Conversion

I have owned this Van since 200, decided to offer it on Ebay, t has been a great van, tarted running ruff so I took it to a shop and they believe it is a CRACKED HEAD ?? My estimate was 0ver 3600 dollars, decided to sell it on EBAY in case someone can fix it themsel, can't, o here it is....IT has a new Belt, il filter, il cooler, ntifreez, hermostat, lectric motors /cables on front windows,Drivers & Passengers side. new front brakes, ew electric mirror on drivers side, new cooling system overflow tank.New air conditioning blower door and upgraded system.Has air controls for front and rear, as two radio's w/cd players, V, CR, eople in rear can listen to their own music while everyone else watches TV, OP IS FADE, he Rear Doors, re dented and dinge, I have another door that will go with it.,,Also has shades you can close or open.. 4- rear controllers for head phones. side interior lights light up.TIRES HAVE 80% TREAD LEFT......new windshield wipers.I have had all oil changes and maintenance done during my ownership, ut I am not a mechanic and can't fix it myself and can't pay for the repair you can own it ............