Windsor, Saratoga, and poss Newport. Will more than likely be a poly engine. 55s will be the 301, 56s will be a 331 and 57-58s will be a 354 if original. I had a 331 poly years ago, had it in a 56 DeSoto and it was last seen in a 59 Dodge Panel Town Wagon. I may still have the 2 bbl intake as I got a factory 4bbl intake w/WCFB (a fun rebuild) and put it on. It has been gone 30 years or more.
Bryce

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