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  1. alldodge

    2009 Tahoe Q5i , prop questions

    Welcome Your max RPM should be 4400-4800, if your seeing 5K then could be the Tach is a bit off or you over reving it You could go to a 21 pitch which would drop you WOT rpm about 200 and may be able to pick up a tad bit of speed. Not saying it will because once the motor starts getting above...
  2. alldodge

    Mercury 25 EL 0D073154 Operator/Service Manual?

    Never mind, I should have just selected your link
  3. alldodge

    Battery disconnect while running engine

    Your serial number (0W363410) shows 555 ECM 48 pin connector so you need adapter 94006 Diacom 94106 Kit TechMate Pro (94706) https://www.rinda.com/rindashop/?sfid=154&_sft_manufacturer=mercruiser&_sft_engine_type=sterndrive&_sft_engine_model=3-0l-4-3l-5-0l-5-7l-efi-models
  4. alldodge

    2004 3.0 Exhaust flapper question

    Most likely Merc only makes the oval, but just guessing right now. The shutters don't need to block 100% of the water flowing backwards, just needs to slow most of it so it doesn't make it back up to far
  5. alldodge

    Mercury 25 EL 0D073154 Operator/Service Manual?

    The $116 must be the service manual Owners manual is about $30 using 90-11044940
  6. alldodge

    2004 3.0 Exhaust flapper question

    serial number?
  7. alldodge

    2004 3.0 Exhaust flapper question

    Welcome Most likely it should be 60930 but give us the motor serial number so it can be verified
  8. alldodge

    Battery disconnect while running engine

    The motor is controlled by the ECM which is a computer. When controls tell the motor to change (increase/decrease speed and such) the ECM goes into open loop control until things reach what is needed. Then ECM goes back to close loop. Turning the motor off and restarting reboots the ECM Easy...
  9. alldodge

    Troubleshooting Ignition Wiring Short

    Don't think it's a direct short to ground, just something slowly starts drawing more current until fuse blows. This could be many things With the Tach showing weird signs I would disconnect the 12V lead to gauge and put a amp meter inline between wire and gauge.
  10. alldodge

    2013 Mercruiser 4.3 MPI Bogs on Acceleration

    Those flat caps (crap caps) are notorious at failing, and without warning. They normally look great but are bad. Haven't heard where a brand new one went bad, but the check engine light right after replacement I would lean that way 10 months is not that long for gas, but you pumped it out. Did...
  11. alldodge

    350 Mag MPI Thermostat Replacement ?

    Agree, and we're only talking 8* New Stat may start to open at slight different temp
  12. alldodge

    350 Mag MPI Thermostat Replacement ?

    If your motors are raw water cooled (no heat exchanger) it would have 160* Stats. Those with heat exchangers would use a 180* The boat gauge is not 100% accurate
  13. alldodge

    2002 seadoo gtx limited no crank

    Found a list of codes Codes
  14. alldodge

    Battery disconnect while running engine

    Maybe @dingbat can provide some input Sounds like your MPI has DTS because you mentioned would throttle up and fuel usage went up but rpms did not. Electronics don't start, stop, start, stop working normally. There can always be bad connections now and can develop later. The new motors have a...
  15. alldodge

    Pretty sure I was sent Gen VI, not Gen V 454

    yes
  16. alldodge

    Pretty sure I was sent Gen VI, not Gen V 454

    Hey @Scott Danforth ???
  17. alldodge

    Pretty sure I was sent Gen VI, not Gen V 454

    The cover should be no issue from my perspective. Seems to be same plane
  18. alldodge

    Pretty sure I was sent Gen VI, not Gen V 454

    pics old New
  19. alldodge

    Pretty sure I was sent Gen VI, not Gen V 454

    They have the same heads so you have a Gen VI block but original oval heads Should be same HP, only issue is attaching hardware holes. For the most part your good EDIT: wait scratch that you don't have water/exhaust flow thru port in center
  20. alldodge

    Pretty sure I was sent Gen VI, not Gen V 454

    Just for visual only, this is oval port top, rectangular port on bottom
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