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  1. Scott06

    Engine Swap

    X2 drilling is the only way to really know
  2. Scott06

    new engine overheats

    If you cant really leave your hand on them long then they are probably the correct temp. when the thermostat opens (should be if engine is 190-200) it should be feeding water water out of the block to manifolds. If those hoses going from thermo housing to bottom of manifolds are not hot no water...
  3. Scott06

    new engine overheats

    This could be an important piece. your manifolds and elbows are fed separately (Warm manifold system). The elbows will get water supplied at all times so exhaust get cooled when the thermostat is not open. Your set up is a little differnt than mine. I have a T on top of the thermostat housing...
  4. Scott06

    new engine overheats

    Thee shouldn’t be air mixed with the water might be from muffs but would make me think pump is pulling in exhaust gas unless you do not have enough supply volume or pressure. what is the layout of your cooling hoses to manifolds and elbows. Do you have separate feeds off thermo housing to...
  5. Scott06

    4.3 crankshaft/housing oil leak - next steps?

    Not sure - I think this is the parts list for your engine - https://www.marineengine.com/parts/mercruiser-sterndrive-parts/43l-gen-4bbl-reman/1g400000-up/intake-manifold-and-front-cover it shows a plastic timing cover. these covers are single use and they dont sell the seal separately. of...
  6. Scott06

    Help me choose a new prop for my Ski Ray inboard tournament boat

    heat and Kroil
  7. Scott06

    what ignition system

    I dont know - you may want to call merc tech support and give them your serial Maybe @alldodge or @Bondo knows serial number is OF765981
  8. Scott06

    4.3 crankshaft/housing oil leak - next steps?

    Doubt you are in imminent danger of loosing oil pressure unless you dont top off. Biggest issue is the bilge water will get oil contaminated (more than normal). You may want to search on here. one of the former mods Chris had a similar issue with a similar vintage 4.3 that I think ultimately...
  9. Scott06

    Engine Swap

    Sounds like you are able to turn this project for the good. Wish I had done the remote filter when I repowered... Would agree on bellows and trim sensors if they look old. Would look at starter while in there. Fuel lines depending on age of the boat. Good time to do gimbal and water pump as...
  10. Scott06

    alpha 1 won't go into reverse

    Was thinking the same thing wear in bushings and swivel and other parts having enough play that it wont go in gear enough
  11. Scott06

    new engine overheats

    Do some testing first - if you have the volume at the thermostat and there are no bubbles then there is no reason to split the drive again. You can also put a short section of clear hose in (home depot) to see if you are getting bubbles
  12. Scott06

    new engine overheats

    Before taking it apart while its on the lake and temp is getting up in the 190 range- take the hose off the thermostat housing where water comes up from the drive. There is a merc procedure with more detail but basically should get 3-4 qts in 15 seconds. Would also look for bubbles indicating...
  13. Scott06

    What is the all time record for lower shift cable life?

    Mine is original to a 2004 boat also fresh water use Primary issue I have seen is hard to shift/ dragging
  14. Scott06

    Should new gimble bearging gimbal? allow shaft to roll, pitch and yaw?

    just stick it partway in and you can smack it up down left and right. if it slides right in to coupler no need to center it.
  15. Scott06

    Should new gimble bearging gimbal? allow shaft to roll, pitch and yaw?

    with a bar like that in there it should swivel/gimbal. Just notice he has it in a vise and that is a long bar so it takes some force especially to get it moving
  16. Scott06

    Hole shot

    See post 26
  17. Scott06

    Flushing out cooling system after sucking in mud

    if you cant find them locally McMaster Carr is a good industrial supplier that is a quick ship.
  18. Scott06

    Hole shot

    No you down in pitch to get on plane faster This will sacrifice some top end speed and if you go too low the engine will hit the rev limiter or go beyond the recommended max wot rpm
  19. Scott06

    What prop? I'm lost

    Check stringers and transom for rot By drilling holes. I believe keyhole is same as merc and could swap drivetrain out of a merc 4.3 pretty easily Of you are handy. problem is interior work isn’t cheap unless you can do it yourself
  20. Scott06

    Hole shot

    Lets back up a second ,in an earlier post you mentioned current 18”is only getting 3800 rpm at WOT? If that is accurate something is wrong as, while I wouldn’t expect a 4.3 to be a speed demon, in that boat wot if running correctly should be getting more rpm. so either tach is off or engine is...
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