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    1977 351W Power problem

    I have a 1977 351W I/O OMC engine - having a problem fixing this one. I have completely tuned it up, set the timing, and here is what I have: the engine starts and runs fine when not under a load. When under a load it will run fine at an idle, and when kicked up to 3500 rpm or more, it seems to...
  2. G

    Still trying to time my I/O

    three timing lights and still no reading - anyone know the correct hook-up for timing a 351W 1977 OMC I/O? the standard electrical hook-up does not seem to be working. Help!
  3. G

    Timing on a 1977 351W OMC I/O HELP!!

    Help! I am trying to set the timing on this I/O and have purchased three different timing lights - none of them are giving me any light at all - i have decided I am stupid, and the lights must work. I have set the wiring up in every way I can think of, and still nothing. I was reading the repair...
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