Re: 1957 Evinrude Fleetwin 7.5 HP (Impeller Question) Home › Forum › Ask A Member › 1957 Evinrude Fleetwin 7.5 HP (Update)Impeller Question) › Re: 1957 Evinrude Fleetwin 7.5 HP (Impeller Question) cesarp35Replies: 74Topics: 13 March 28, 2018 at 4:21 pm #73162 I’ll be ordering the impeller and lower unit seal kit just to be on the safe side, i’d rather be safe than sorry later. Thanks for the advise and suggestion guys i appreciate it!!!!