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  1. 1970LasVegas

    140 mercruiser water in oil

    Hello all. I have an old trihull with a 140 mercruiser in it. I have water in oil. The compression test with wide open throttle is #1-140 #2-145 #3-150 #4-130. It idles pretty good but under load I can only get about 3000 rpm out of it. My manifold does have a crack on the side. Would the...
  2. 1970LasVegas

    1970 120 not getting fuel

    I looked around here and didn't see anything on it so I'm gonna ask. Can I install an electric fuel pump on a 1970 120 mer cruiser. My manual pump has stopped working.
  3. 1970LasVegas

    New to this site.

    First I have to say hello and seems to me this is a great boat site. Now for my first question. I have a tri hull boat and can't find any info on it anywhere. The title says its a 1970 LasVegas, the model name on the name plate says its a pioneer. Anyone ever heard of it.
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