Need help.

Im running the stock timing and I use shell 89 gas.Im going to take into autotech
and see whats wrong.My dad and I are going this weekend to get new plugs and plug wires.How much whould a better dizzy be? or would it be point less to not put a stock dizzy with a stock coil and that box thing I forgot what its called.
 
Pull codes. Check that your dizzy doesnt spin by hand (indicating that the hold down came loose).

You can check the plug wires at night for bleeding.

Good luck.