Expsd

Always starts fine.
After it warms upit still runs fine, but at idle tends to roll or surg, onc in a while it will stall, especially if air is on.
10% of time after I try to restart a warm/hot engine it will not start, just turns over almost like its flooded, but no smell of gas.
The last few times out after warming up, engine off for 20 minutes it seemed to miss and continue to miss.
My 1991 has 22,000 miles and in the last 1000 miles have:
Changed plugs, wires, dist. Cap, pcv, air filter, fuel filter