sbc wont start right

[3970010]

So a few days ago i went to start my truck and i noticed it was shaking more than normal. well i concluded it was missing out. so i realized my plug wires were old and might me the culprit. well driving it home it started runnung weird, it had bo torque at low rpms and would take off at higher rpms, and if i let off gas it would die . so the next day ibought new plugwires cap rotor and coil (HEI)

when i removed rotor i noticed bushings were out on weights but i put back to gether to see what would happen... this time it would idle but still missed and no low end power . i thought about the weights and replaced the whole distributor and now it starts hard (turns over a few times only hits on like one or two cylinders then smooths out.. same if hot or cold) old distributor it would start with only like 1/4 revolution seemed like. but when it starts with new distributor it runs really good idles most of the time has toque etc... just starts hard but no matter if its hot or cold still does it and i have to feather gas pedal for it to start.. PLEASE HELP CAR SHOW In a week!
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