2001 SATURN SC1 Engine And Engine Coolingenginegasoline Problems

I HAVE A 2001 SATURN SC-2 COUPE THAT WAS BOUGHT NEW IN 2001. I HAVE ROUTINELY CHANGED THE OIL AND DONE SCHEDULED MAINTENANCE ON THE VEHICLE. THE ENGINE HAS ~75,000 MILES ON IT AND THE TIMING CHAIN RECENTLY WENT OUT WHILE DRIVING DOWN A BUSY HIGHWAY AT 60 MPH. I TOOK IT TO THE MECHANIC AND LEARNED THE TIMING CHAIN DID NOT BREAK BUT BECAME LOOSE. I HAVE ALSO LEARNED SATURN ENGINEERS DESIGNED THE TIMING CHAIN TO RUN THE OIL PUMP. THEREFORE, WHEN THE TIMING CHAIN BECAME LOOSE ON MY SATURN,THE OIL PUMP FAILED TO MAINTAIN OIL PRESSURE ON THAT SIDE OF THE ENGINE AND SUBSEQUENTLY SHEARED OFF A BEARING THAT TRANSFERS POWER FROM THE CAM SHAFT TO THE PISTONS. THE MECHANIC SAID THIS OCCURRED AS A DIRECT RESULT FROM THE TIMING CHAIN FAILING TO DELIVER POWER TO THE OIL PUMP. I AM LEFT WITH REPLACING THE ENGINE. I AM...