Harms Rebuilt '71 Thermoquad - Wondering Idle, Stalls when Put in Gear

66Valiant528 said
Do you mean 3 inches of vacuum at the ported spark fitting? That should be 0 at idle.

yes, 0-3 when I was fussing with the idle screw but played with mixing screws enough to get a fair idle with 0 vacuum at port which is where it is set now.