Hello! An answer to your question:

Hi i just bought a cadillac fleetwood 96. on friday, i floored the gas pedal to see what the car has for power from 20mph to 80 mph, just after that,the car lost a lot of power and about 5 minutes after, the oil pressure light came on and a rattling noise started and the car started shaking abit, i stopped and had the car towed to my mechanic but they are closed for three days. I just had the car for a week, i was wondering if you could have a diognosis of what happenned,it is a 5.7 LT1 engine, thanks