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  1. W

    PROP SIZE

    I HAVE A 1978 17FT BAYLINER 470/170HP.WHAT SIZE PROP CAME WITH IT. AND HOW FAST SHOULD IT RUN.NOW IT RUNS ABOUT 33MP.IS THAT ABOUT RIGHT.THANKS
  2. W

    how to set the points on 470

    i have a mercruiser 470/170hp how do you set points for it.
  3. W

    1978 Mercruiser 470/170hp backfires

    I have a 1978 Mercruiser 470/170hp motor on my Bayliner boat. Timing is set according to the book and runs good when out of the water but backfires when it's in the water and giving it gas. I turned timing and it runs good but when it's hot it is hard to start. When motor is cool, starts...
  4. W

    1978 Mercruiser 470/170hp Backfiring

    I have a 1978 Mercruiser 470 / 170hp motor on my boat. Timing is set, runs good out of water, when placed in water it backfires. I moved timing and then it runs good but when its hot, the motor is hard to start. What could be the problem?
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