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  1. Scott06

    2006 MerCruiser 4.3 to MPI Swap

    I think it depends on what harness is on the engine . It may have the standard 10 pin cannon plug that fits you boat harness. If it is the newer 14? Pin they make an adapter mercruiser adapter harness...
  2. Scott06

    Need to determine best prop for weird setup

    Have you verified the tach against a shop tach and the Speedo is that gps or the dash speedo? The factory water pressure Speedos are notoriously inaccurate
  3. Scott06

    Bravo 3 loss of lube oil - slowly then rapidly x2

    This is the truth always impressed with level of detail in their manuals, and they give complete transparency of what you need to do to service
  4. Scott06

    WOT

    No issue going up to recommended WOT rpm . How long you leave it there is up to you. As others have mentioned I routinely go wot for fairly long spurts, they are designed to take that. You do want to make sure your prop pitch is correct in that the engine can get up to its wot range. This...
  5. Scott06

    Need to determine best prop for weird setup

    You would need a 13 or maybe 15” prop to get the rpms right When I repowered my boat with a larger engine, I kept the old higher numerically gear ratio drive and went up 2” in pitch and it works ( 1.81 drive vs 1.62). As mentioned above double check tune up Of engine. Would have expected 4”...
  6. Scott06

    4.3 LX water in the oil...

    On underside of thermostat housing /water cross over underside of intake There are no middle coolant runners this is an exhaust crossover to heat choke stoves and intake. So you are seeing exhaust soot
  7. Scott06

    4.3 LX water in the oil...

    Rust in several Exhaust ports is sign water is getting into exhaust May be from head cracks Or exhaust system leaks Is there a crack in bottom of intake thermostat housing ?
  8. Scott06

    Bravo 3 loss of lube oil - slowly then rapidly x2

    As AD mentioned at one end of bellows is drive at other end is gimbal bearing there is a drain hole near gimbal that any gear oil or water that gets in there will leak into bilge. Conversely if the bilge gets really full of water it can also back fill the bellows Is it an easy job ? If you...
  9. Scott06

    Bravo 3 loss of lube oil - slowly then rapidly x2

    yes very common your bellows will be full of drive lube then
  10. Scott06

    84 3.0 Exhaust Riser Gasket Leak

    As others have stated there should be no water in there. Did u drain it before removing the elbow? Were the mating surfaces flat filed flat or belt sanded before new gasket went one? Did u check the manifold for leaks ? The crack Repaired is obvious sign of freeze damage did u check it for...
  11. Scott06

    Swap drives from one boat to another. How many day project?

    We all need less piles of unusable Parts not more
  12. Scott06

    Mercontrol cables

    Doesn’t answer your question but my neighbors 1969 StarCraft had that same control hooked to a 110 hp 4 cyl and I believe MC1 drive They had bought that boat new and replaced it in 2010. Got a lot of use skiing daily, had a valve job maybe complete overhaul in late 90 s , one stress crack on...
  13. Scott06

    Mercruser 470/ 170 compatible parts

    I think you start with a big wallet ?guessing the SOHC parts are not cheap
  14. Scott06

    4.3LX & Weber Carb Service

    The step up rods? what are the fuel and air metering tubes? In the boosters that dip into the well down stream of the jets ?
  15. Scott06

    4.3 LX water in the oil...

    No GM started using the vortec name for the 4.3 before they came out with the now known as vortec heads . So ea ry to mid 90 s had vortec on valve cover but 12 bolt intake and with out what is now known as vortec heads …
  16. Scott06

    4.3LX & Weber Carb Service

    Why do you say that ? The AFB/weber/ edlebrock carbs are generally regarded as easy to tune. I have certainly found that on both my boat and 65 GTO
  17. Scott06

    MerCruiser 3.0 Runs Poorly As It Warms Up

    yes take the coil wire and make sure it is grounded to discharge the spark while cranking
  18. Scott06

    New canvas bow cover rolling at edges, solutions?

    these help in those situations https://www.sailrite.com/Extend-A-Snap?gad_source=1&gclid=EAIaIQobChMIoOPS0LSShgMVZlFHAR2NnghqEAQYAiABEgIqzfD_BwE
  19. Scott06

    Water pump dripping 5.0 GL

    Probably ok to use just keep an eye on it. How far from the ramp or where you keep it are you going?
  20. Scott06

    Mercruiser 3.0 prop suggestions.

    No that is fine, more or less equivalent to a Black Max from Merc. Everybody used to use rubber hubs for decades until swapping over to the insert style hard plastic (delrin). You are fine with what you have. If your engine is in good shape drop to a 13 and you are done.
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