I was leaning towards a possible issue with the timing, I'll try your suggestion, so that's 8 to 10 BTDC? I keep seeing different settings, one site says set at TDC for 60s slants another said 2 btdc.
Those are the factory settings made for grandma's car, IMO, but now we are driving grandmas car so we can mess around with them a little bit more. Bring it up to 5 and see what happens take it for a spin see if you hear any pinging, you should not, then bring it up to either 8 or 10 degrees. If you have not done this before make sure you are using a good dial back or digital timing light, make sure the distributor vacuum advance is disconnected . Make sure to run the rpms up to 3000 rpm to ensure your mechanical advance does not exceed 32 degrees. That should improve your idle quality.
