Recent content by wiggles6983

  1. W

    Need prop suggestions

    I have an 18' flats skiff, 5' beam, with a 75' merc 50hp on a jackplate with 6 inches setback, and smart tabs (to keep porpoising to a minimium but still noticable in rough water) Currently I get about 5100 RPM at 35 MPH with 2 people and gear (full load) and 15" pitch aluminium 3 blade prop...
  2. W

    1975 Merc 50 tach question

    I have a 75 merc 50. I wired a new tach up to the rectifier (on one of the 2 wires coming from the stator, and the dial on the tach is set to 6 pulse (12 pole). At idle the tach jumps from 0-500ish very randomly (engine sounds to be idling fine), if i increase to high idle it settles down and...
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