Re: 1930 Elto Senior Speedster Water Pump Impeller Home › Forum › Ask A Member › 1930 Elto Senior Speedster Water Pump Impeller › Re: 1930 Elto Senior Speedster Water Pump Impeller garry-in-michiganLifetime MemberReplies: 3583Topics: 31 May 22, 2018 at 5:16 am #76541 Nope – than’s the way they were. Virtually unchanged on the larger outboards (Elto Fleetwin, Evinrude Sport Four, Speeditwin +) until they went to rubber impellers in the early 1950s . . . 😎 – – – – 1941 Speeditwin – – – –