idle

Hi guys, I have an issue that I need help with. I just recently installed some new parts on my engine. Autolite Copper Spark Plugs (gap to .045) Edelbrock Spark Plug Wires MSD Blaster 2 Ignition Coil MSD Pro-Billet Distributor (1 heavy spring + 1 light spring + 25° silver bushing) The car...

Hi guys, I have an issue that I need help with. I just recently installed some new parts on my engine. Autolite Copper Spark Plugs (gap .045) Edelbrock Spark Plug Wires MSD Blaster 2 Ignition Coil MSD Pro-Billet Distributor (1 heavy spring + 1 light spring + 25° silver bushing) The car starts...

As of yesterday, I had it running at a surge-y 800-1000rpm in park/neutral, which dropped to like 500-600 in gear. Best I could do was a bumpy 17 inHg of vacuum at idle. Seemed low on a (AFAIK) stock z-code 390. I assumed I had a vacuum leak somewhere, so I plugged all the ports, but I couldn't...