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  1. nola mike

    Alpha 2 not coming out of gear after new interrupt switch.

    Just press the new switch and see if it kills the engine.
  2. nola mike

    Alpha 2 not coming out of gear after new interrupt switch.

    How's that working out for you 😄
  3. nola mike

    Boat swamped, let's see if we can get it running...

    It wasn't the normal fur. Look at the second pic, and these weren't the biggest pieces. Felt very gritty
  4. nola mike

    Boat swamped, let's see if we can get it running...

    A few updates from today. New oil switch, rerouted wire harness. Went to put the drive back on, noticed the prop wouldn't turn. Looked in the cavity, decided to remove the prop. Hmmm. Tried to clean it out and flush the exhaust back and forward. No dice. Split the drive and found a bit of...
  5. nola mike

    To fuel filter or not. 3.0

    Nope. I can tell you for sure that the 1989 donor boat that I used didn't have a canister, and used the filter on the pump (in fact, see post #33 here, look at the last pic). Some were paper elements, earlier ones were stone. Other vintages were similar. I can also tell you 100% that the 470's...
  6. nola mike

    Bearing preload

    You need a dial type in-lbs wrench. The specs are different depending on new vs used bearings, somewhere about 5 in lbs but idk off the top of my head (it's in the manual). Also I think @achris has a video Edit: here,
  7. nola mike

    4.3L MPI 2007 Searay Sport 185. Single Alarm at 20 RPMs and higher

    My thinking is that if the pcm is responsible for the low rpms, it's responding to sensor input. Any grown up pcm *should* throw a code, but there are few enough sensors that they should be able to have their values monitored manually in live view. How about knock sensor? Have we checked spark...
  8. nola mike

    To fuel filter or not. 3.0

    The 4.3's had them until they had electric pumps, as did the 470's. 4.3s also had a brief spell with some inline filters. I think the v8s were always (?) canister type.
  9. nola mike

    To fuel filter or not. 3.0

    Good point. The mechanical pumps had the built in filter, the electrics didn't.
  10. nola mike

    To fuel filter or not. 3.0

    Because Merc was cutting costs. Already been answered.
  11. nola mike

    To fuel filter or not. 3.0

    No it isn't. In a 2 stroke engine it's mixed with oil and lubricates the cylinders. In a 4 stroke, not so much
  12. nola mike

    To fuel filter or not. 3.0

    What knowledge do I lack exactly?
  13. nola mike

    To fuel filter or not. 3.0

    Yeah, running lean isn't the cause of cylinder scoring.
  14. nola mike

    2.00 ratio Alpha one gen 2

    How much boating experience do you have? There are *plenty* of unmodified "pre alphas" out there. Granted, most of them are MC-1s, but really no need to be ambiguous on purpose. Iron dukes were ubiquitous and durable. They were also never used in a marine application and aren't the same as your...
  15. nola mike

    To fuel filter or not. 3.0

    Yes, until it gets saturated Most/all newer Merc engines came with the screw on filter I believe. I think we're done with this ... Either use it or don't. There has never been a post here --ever-- where someone has added a filter and had problems. Do what you will with that.
  16. nola mike

    4.3L MPI 2007 Searay Sport 185. Single Alarm at 20 RPMs and higher

    Is there a way to tell whether the pcm is in guardian mode, vs just running poorly?
  17. nola mike

    To fuel filter or not. 3.0

    I mean, this part isn't true, but that's a different thread...
  18. nola mike

    Crankshaft damper

    I did the same thing, with the same results, during my engine install 😄
  19. nola mike

    4.3L MPI 2007 Searay Sport 185. Single Alarm at 20 RPMs and higher

    @alldodge , Is the water pressure switch a simple open/closed 2 wire or is it a 3 wire switch? Should be able to test either way before replacing. Can someone post a wiring diagram (or point me to the correct manual--newest I have for a 4.3 is #25, dunno if it covers this system).
  20. nola mike

    4.3L MPI 2007 Searay Sport 185. Single Alarm at 20 RPMs and higher

    Perhaps start first, then disconnect.
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