Sam Griffith's Super Savoy!

[mockingbird812]

Max Wedge motors did not like the cold wx . There was no heat cross-over on the intake manifold and Chrysler warned of carburetor icing. A service bulletin recommended covering the radiator and using a gasoline with anti-icing additives. "In winter weather, a rich surging condition, misfiring, and unstable engine operation may be encountered which may be severe and make ordinary street driving extremely difficult and undesirable"

You are right. They did have a manual choke. One pull knob connected to two cables/choke levers (3rd knob from the left).