carburator choke 350

After closing the choke set screw on the left side of the carburator,
how many 180 degree rotations do I back out to get the proper rpm
idle for cold weather? 3 to 4 turns floods the engine.If I back it out too much,the choke won't set.This is a 1984 Chev. Caprice 350. Thanks.

After closing the choke set screw on the left side of the carburator,
how many 180 degree rotations do I back out to get the proper rpm
idle for cold weather? 3 to 4 turns floods the engine.If I back it out too much,the choke won't set.This is a 1984 Chev. Caprice 350. Thanks.
Opening the choke pin scew makes the gas mixture richer causing
flooding.Close the screw,then open it no more than 2 turns.Then
adjust it until the engine runs smooth.