More than likely it is out of time. Have the timing checked. If you have changed the plugs or plug wires, you have them hooked up wrong.
Answertiming out of adjustment. start with distributer timing and go to timing belt or chaincould be the crank position sensor located behind the harmonic balancer
over there
Oldsmoblie cutlass
Oldsmoblie cutlass
Where the stick is.
I would recommend leaving that job for the pro's.
i need to see how auto trans cross member bar is installede
the best way is too call a big savage yard they can tell you what parts interchange for sure instead of people guessing on here
It should be 3/8" if it's a hex, or T-50 if it's a star (Torx).
If it is an automatic you have to remove the pan
maybe this will help,,, i just replaced the water pump,heater core,thermostat,battery,alternater on my Oldsmobile and found this site to be very helpful even has pictures AutoMedia.com maybe you can find your answer there good luck
If it has spark and fuel I would suspect the MAF (Mass Air Flow) sensor has failed. If it has no spark, I would suspect the crank sensor has failed. If it has no fuel, I would suspect the fuel pump has failed.