88 camaro with 305 tbi starts but stalls right away

i have an 88 camaro with a 305 tbi that i just bought and was sitting for a while before i got it it was last inspected in 08 of 2000 well i can start the car but it stalls right away aan im getting good flow of fuel from the injectors in the beingin but then right before it dies it starts to just trinkle a little bit i replaced them i replaced the fuel filter changed the plugs and wires and redid the timing and theres fuel getting to the throttle body i think it sucking down air from the throttle body besides the mounting gasket and im start to give up so anyone with ideas let me know cause i ran out of them and starting to lose bride in the gm name

There's a 'sock' filter in the tank that maybe clogged or the pump may have failed. You really need to put a pressure gague on it and see what the complete situation is.