ive got a 88 teg ls special stock engine that wont start , I did head gasket job and accidently put the rockers in the wrong positions ,to fix that i did a valve adjustment so thats fixed. my car has a new starter, destributer ,egniter, sparkplugs, wires cap and rotor, and a fresh new battery and i also put a new fuel filter and when i try to start the car i can heer the fuel pump turn on but the car still doesnt run. any help would be aqppreciated thanks in advance.