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  1. alldodge

    Engine dies going into reverse

    Better guess is boat is suffering from neglect
  2. alldodge

    Thunderbolt 5.0 keeps dying

    Merc Tech support 920-929-5040
  3. alldodge

    Engine dies going into reverse

    Its on the shift plate
  4. alldodge

    Engine dies going into reverse

    Guess, Shift interrupter switch, is out of adjustment or needs replaced Disconnect the switch, but note you will have to kill the motor to get it back into neutral
  5. alldodge

    Thunderbolt 5.0 keeps dying

    The ebay link isn't working but did look on ebay for 3302-9407 and several showed up shows pics of all 3 parts, where others that didn't show any parts Merc part shows same but cost more. https://www.mercruiserparts.com/9407-fix-kit Might contact Mike's carbs and I'm sure they have what you...
  6. alldodge

    305 V8 - Rusty spot on intake manifold, with ports that nothing is connected to

    It use to have a heat pot type choke for the carb. It was changed over to the electric choke so its no longer used Edit: BT has better explanation
  7. alldodge

    New Merc 5.7 EFI - Surging at 3,000rpm

    Guessing your saying its a MPI, could use a serial number Attach a fuel pressure gauge to the rail and watch what it does, it should stay steady around 43 psi
  8. alldodge

    350 mag mpi manifold/elbow temp

    There is, Merc is not divulging
  9. alldodge

    350 mag mpi manifold/elbow temp

    That would be good news if it wasn't so sad
  10. alldodge

    Paragon to Velvet drive swap

    72 series can run in reverse as direct by moving pump 180 degrees
  11. alldodge

    350 mag mpi manifold/elbow temp

    Just guessing, but I think by removing the CAT it changed how the water flows. The 150* while hot and can burn its not that bad. So one is at 150 and other at 190, so the 190 is not getting enough flow. The port side drain fixture if not clean may also cause some issue. I just don't know enough
  12. alldodge

    350 mag mpi manifold/elbow temp

    This is simplistic and showing a V6 but its basically the same With that in mind, the issue doing it this way with your Mans might be the Man to elbow gasket. Don't know if the 2 holes are enough to pass all, probably will but have not been tested If I knew you were going to use O2 bypass I...
  13. alldodge

    350 mag mpi manifold/elbow temp

    While 150 is very hot and 190 will give instant 3rd degree burns, so we might want to do something. These temps will not hurt the motor With removing the CAT and bypassing sensors, you could reroute the hoses so all water goes thru the Mans and out. Loose the 3 point and install a 7 point
  14. alldodge

    350 mag mpi manifold/elbow temp

    Still have the same water flow W or W/O
  15. alldodge

    350 mag mpi manifold/elbow temp

    The serial number helps a bunch, you have CAT's When I mentioned 4 port Stat, I was thinking this With CAT you have a different 4 port, and should have a 160* thermostat Also having CAT's the mans should get hotter then others, how hot I don't know because don't have the manual, but @muc...
  16. alldodge

    350 mag mpi manifold/elbow temp

    Does the motor have a 3 point or 7 point drain system?
  17. alldodge

    350 mag mpi manifold/elbow temp

    Things don't add up If 150 is correct then 190 isn't If 150 is not correct, (take reading at sendor not on top of housing) then maybe bravoits or air leak
  18. alldodge

    350 mag mpi manifold/elbow temp

    The temp variations between the elbows does not concern me, only the actual temps, that is if the temps are correct. Don't see how the gauge can show 150 and the housing show 120 where the sender is located (assuming 4 port housing). Maybe a serial number might help to know what your housing...
  19. alldodge

    350 mag mpi manifold/elbow temp

    I don't see a problem with your temps
  20. alldodge

    Mercruiser 3.0 to Mercruiser 4.3 swap

    Replacing a old seal with a new seal will further guarantee no leaks, so long as the transom is not compromised
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