what would make my car run great sitting still but die when you put it in gear

What is your question?

when never you try and move it usually dies but if it runs it has no getup or go put the car in reverse and she will move anywhere,i have put new tps,map sensor,new fuel pump,newfuel filter,new plugs and wires,i have run out of things to putback new,new ign,new coil packs,took the injectoers and put new seals and such also,they done a test that says delayed timing,now they say needs new timing chain what's could be next,can anybody help me