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  1. nola mike

    5.0 Mercruiser T.I. Spark Plugs

    The delcos use a rust proof alloy, ngks do not
  2. nola mike

    Starter starts something spinning in the back of engine only, nothing in the front.

    So turning key off didn't stop whatever was happening?
  3. nola mike

    My boat is being a boat . . .

    Maybe you were the one set on the closed cooling (I remember you going between 2 different MCMs) and @alldodge was against the cats 🤷 But 😽 definitely have ears (couldn't help it)
  4. nola mike

    Topping off a compass, what to use?

    Sounds like a non adjustable carb to me.
  5. nola mike

    Mercruiser 5.0LX Rochester 4MV carburetor over fueling. ESN OF066511

    Yes, take the carb apart. Did you replace needle and seat? Did you verify that they sealed correctly? Double check float? Check fuel pressure next if all is the above checks out
  6. nola mike

    '09 Merc 5.0L Carb / Alpha 1 - Engine runs and will not respond to ignition or kill switch when at temperature?

    @achris had posted the specs for a more robust and much cheaper generic diode that can be used at some point. https://forums.iboats.com/search/2713252/?q=tks+diode&c[users]=achris&o=date
  7. nola mike

    My boat is being a boat . . .

    Oh, for some reason I thought you got in before cats got involved. So you don't have a BOAT, more like a BOAFT (another 5 thousand...)
  8. nola mike

    Stalling and Starting problems

    1. Not #1 2. Not #2 3. Mentioned at least twice so far in this thread 4. You said you already checked and adjusted
  9. nola mike

    Stalling and Starting problems

    Pump shouldn't be running with the key off. Double check that. When you had the carb off, did you check the needle and seat? You need to make sure the needle is sealing
  10. nola mike

    My boat is being a boat . . .

    Odd.. Fuel trim codes in a car would indicate a rich or lean condition and rely on o2 sensors to determine. Didn't think your boat has them?
  11. nola mike

    Hard Start All The Time

    Which 4.3s have a bypass circuit?
  12. nola mike

    Baretta

    Yes, it will feel like you're trying to start a car in gear. Nearly everything spins in the outdrive even in neutral. You'll be pulling that drive sooner or later; pull it now and see if the engine turns over easier
  13. nola mike

    3.0 Mercruiser seems to hang or seize when starting

    Fair enough
  14. nola mike

    3.0 Mercruiser seems to hang or seize when starting

    And your wife's nail file, right? 😃 I guess I still would call that the "timing" part of the puzzle. If he's getting a spark though it should be close enough to start. When I think bad points I'm thinking either coated or gap far enough off to not spark.
  15. nola mike

    Alpha 1 Gen 1 - Teardown - Need Advice

    That seal keeps water out of the drive shaft area. Drive shaft will rust over time but won't lose lube. Just replacing the lower seal is easy, doesn't require removing the input shaft. Upper is more work The o-ring would get caught in that lower seal and let water in. That bushing is a pita...
  16. nola mike

    3.0 Mercruiser seems to hang or seize when starting

    How does strong spark at the plugs not rule out the points? Need to check timing, compression, plug wire order, make sure you're getting fuel down the carb throat. Op changed too many variables at once on a non starting engine, so now you don't know whether one of your new parts is bad/not...
  17. nola mike

    Alpha 1 Gen 1 - Teardown - Need Advice

    Agreed. Those seals need replaced. Water gets in the cavity, rusts and pits shaft. Then you have a lot more work. Also hope you replaced that lower pump base as well as the impeller. And for sure pressure test the drive.
  18. nola mike

    95 4.3lx alpha one mercruiser cooling system question

    Too lazy to look ATM but 95 doesn't have check balls does it?
  19. nola mike

    Manual Bilge Pump Switch Not Working When Auto Float Wire Connected

    I can't find a shoreline with integrated float switch (although just saw that you purchased it, so should come with instructions and wiring diagram, no?) Give a link to the wiring diagram or directions. Does your helm switch just have the pump wire on one side and 12v on the other? Switched or no?
  20. nola mike

    Manual Bilge Pump Switch Not Working When Auto Float Wire Connected

    I think you need a 3 way switch. Either circuit can be closed, but not both. Any idea what pump you have?
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