1984 Chevrolet Corvette 5.7 L (Project Car)

Car has 71,000 miles 5.7 crossfire dual throttle bodies, a/c, cruise, p/s, p/w, power driver's seat, tilt & telescopic steering wheel.Car has been sitting off and on for 11 yrs. it runs but idles rough because upper intake has a vacuum leak.I purchased the car 4 yrs. ago since then I replaced the following: seats reupholstered, wiper blades, pcv valve, master cyl.spark plugs, plug wires, distributor cap, rotor, ignition module, oil and filter, fuel pump, fuel filter, brake hoses all 4 wheels,transmission fluid and filter, brake calipers, rotors and pads all 4 wheels, throttle body gaskets, fuel injector, exhaust systemwith mufflers, shocks front and rear.The following parts have been purchased but not installed: upper intake gasket, both idle air control valves, valve stem seals,valve cover gaskets, water pump, brake booster, thermostat and gasket, crankshaft seal, EGR block off plate, door pin kit,weather strip for both door and rear hatch, after market rear spoiler w/third light, wiper switch and center cap.No cracks in dash, but needs carpet and headliner. Tires were replaced but now have dry rot. Tit, owner's manual, and receipts for parts purchased in hand. Contact Ellison 843-260-2180 with further questions