Help i need help i put a new used engine in my 93 se ok ive got my timing marks set right but still doesnt want to start or when it did doesnt have power and sounds like rod knocking and no power

[jasonowens]

 i put a new used engine in my 93 se ok ive got my timing marks set right but still doesnt want to start or when it did doesnt have power and sounds like rod knocking and no power

[ProjectEMC]

You probably bought a blown up motor 

[Slartibartfast]

Timing set way off?