Recent content by mercruiseralpahmaniac

  1. M

    Best prop for old Thompson

    I have a Thompson 260 with a small block chevy and an alpha one. i had a 15x17 three blade prop and i could get 30mph at 4500rpm. prop went to hell thanks to a dead head so i threw a 15.25x15 on because it was the only thing i had. huge difference and instantly regretted it at 5000rpm i could...
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