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Joe,

Pure mechanical. ?Not even a connector for the fuel consumption gauge

I pulled the AAR. ?The connections were corroded, so I cleaned and de-oxed. ?It is getting 12v to the connector. ?The valve itself tested to work properly with cooling and heating.

The surge is mostly gone now.

Checked the vacuum work I did a few years back. ?Deleted the EGR and the amplifier. ?I also deleted the air pump, and removed the blowoff valve. I found the diaphragm for the dizzy vacuum advance was leaking, so I replaced ?that.

I did leave the decel valve in place.

One stupid error from my previous work. ?I left the connection from the back of the throttle body to the thermotime switch connected, but didnt blank off the other port on the switch. ?Capped that this morning.

I also found the vacuum line from the dizzy I had hooked up to the front port on the throttle body. ?That connection is for the dizzy retard. ?So I ran the line for the advance to the back of TB where it should be, and capped the front port.

I have checked the vacuum hose connections for both sides of the AAR, and they are tight. ?Both vacuum and atmospheric lines for the check out for tightness.

I have also adjusted the throttle plate screw to time the injectors via the opening pop of the injectors.

Now, I have a warm idle of around 1100 that I cannot bring down with the idle adjustment screw on the front of the throttle body.

Normally, this would indicate a vacuum leak. ?But having gone over the entire vacuum system, I cannot see where it would be coming from.

Any suggestions?