excel help

Hello Forum

I'm looking for suggestions about what may be wrong with my 91 excel

I have replaced fuel pump, fuel filter, fuel pump relay, gas tank, spark plugs, cap & rotor, and new wires but my poor excel still will not run. Has anyone encountered trouble like this, if so please inform me of a solution.

Also all fuses are good as well as relays.

Have you checked the timming belt also they were bad for breaking rocker arm shafts if that breaks it runs like a tank with the noise as well.If the timming belt looks ok make sure you check to make sure the rubber teeth have not rubbed off it will look like it stilll good but may be slipping or even jumped timming. systoms runs really bad or not at all. spuddering, backfiring,low pulling power or no pulling power.also if the timming belt breaks there is no room for error because the vavles can be hit by the pistons causing major damage but sometimes you can get lucky a lot of people have but others have not.