F*cked Car ran with no oil... HELP

Bought a 96 probe gt awhile back and person said it had no problems changed the oil with the recomended 5-30 and had fine oil pressure today 2000 miles in to change i heard a valve tap and now a loud knock i put lucas in it and 2 more quarts of oil the engine went bone dry no sign of leakage or burning and oil preasure gauge stayed up... im almost in tears i love the car please help

If i need a swap is there anyone in the jersey area that would put a klze in for me im like out of money from buying the probe this is all i need please help me someone