OK, ... on my 1950 5-window 3100 I'm looking for some help in trying to research my engine, I was told it's a 216 but I'm not certain about the last number/letter, it's hard to make out. ...it could possibly be an I,T or a 1. Serial# HBA94339I, ...can you eliminate any one of these 3? Where there ever Letters at the end?
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