Originally Posted by JamesDean

Alright, new wires installed. No real big difference. Maybe it starts up quicker. Didn't really expect huge results. I know that I have never changed the wires on this car. I would have used more zip ties than whomever did it before me.

I have no record of the wires ever being changed. However my records are not 100% complete and it seems unlikely that these wires are 220k old.

I also changed a vacuum line, it goes between the two pipes that connect to the IACV. For some reason my "old" pipe was pinched at one end preventing air flow.

Originally Posted by pawoSD

The "pinched" vac tube between the IAC lines is on purpose, that was a revision made in 1988 onward, on 86/87 its open. Mine is pinched shut also.

Sounds a lot like a failing fuel pump relay. I have records for my car showing it being replaced about 5 years ago for the same issue. I replaced my fuel pumps last year as they were quite noisy and pulling higher amps, which can destroy the relay. May be the same issue on your car...