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  1. alldodge

    Mercrusier 350 MAG MPI - RPM issue under a load

    ok, then change up A 4x4 prop set of 18 = a 3x3 prop set of 20 So if you had 3x3 20Pitch you have about the same with 4x4 18Pitch Go with a 3x3 18P
  2. alldodge

    Mercruiser 233 Overheating--Out of Ideas

    Yes you can, get a short piece of clear hose, a double male barbd fitting and couple hose clamps. Remove the hose going into the thermostat housing from the drive and install short hose.
  3. alldodge

    Mercrusier 350 MAG MPI - RPM issue under a load

    Is this a Bravo 1, 2 or 3 drive?
  4. alldodge

    Mercrusier 350 MAG MPI - RPM issue under a load

    Yes 3B 18 but 3B props normally come in odd numbers. If that's the case get 3B 17. If rpms get to high and your on plane go with 3B 19, but start lower first
  5. alldodge

    Mercruiser 233 Overheating--Out of Ideas

    Guess your not moving enough water Have you tried clear hose from drive to see if its drawing air (bubbles)
  6. alldodge

    Mercrusier 350 MAG MPI - RPM issue under a load

    Post 1 list Post 91 now So if you originally had a 3 blade 20 and changed to a 4 blade 18, for the most part you didn't change anything
  7. alldodge

    Starting outside of boat, on stand

    Depends on which manual, some 3/4 some 1
  8. alldodge

    Mercruiser 233 Overheating--Out of Ideas

    Thanks, inboard 351 Are the hoses routed as in the pic? Note the ports on top, front of motor go to elbows Next is there 2 gaskets and 1 plate separating the elbow from the manifold
  9. alldodge

    Starting outside of boat, on stand

    Have seen but I wouldn't do it that way I like using a grease pencil Remove all the plugs. Back all rocker nuts out so their either nuts are loose, or the rocker nut is at the top of the stud. Rotate motor 1/2 turn. Look for any rocker which is down opening a valve. Go to valve next to it...
  10. alldodge

    IAC problems

    Weird issue for sure. No start and after IAC replaced it does start but idles at 1200 Agree with your test procedure, should blink with each connection as manual shows One test is turn engine OFF, unplug IAC for 10 seconds. When restarted does it idle 200 rpm higher?
  11. alldodge

    IAC problems

    I don't have the E version but this is what I have for C/D for IAC
  12. alldodge

    Mercruiser 233 Overheating--Out of Ideas

    More info about the motor Your postings show and 5.7 and a 233 (not counting 302). Unable to find a 233 but can find a 230. What year and serial number is the motor?
  13. alldodge

    Starting outside of boat, on stand

    You know about how to get zero lash and one turn?
  14. alldodge

    Starting outside of boat, on stand

    Bummer, but its fixable
  15. alldodge

    IAC problems

    So when you said Means it does same as before IAC was replaced. You have to keep the idle up around 1200 to keep motor running
  16. alldodge

    IAC problems

    If I understand correctly It was running fine until it wouldn't idle and would die. Could get it started with fast idle. After replacing the IAC it now will start but idles at 1200 RPM? If this is true, I would suspect the IAC was not installed correctly, or the wrong part was installed What...
  17. alldodge

    Mercruiser 260 weird misfire

    Maybe antisiphon valve on top the tank but usually if they clog they don't free up. Same goes with collapsing fuel line, tank pickup and fuel pump
  18. alldodge

    Carburetor Issues, Dripping Carbs...

    You can check fuel pump pressure by making one with a plastic or brass barbed Tee and so rubber fuel line, and carb fitting from auto parts store. Disconnect from carb, and connect Tee, the use other fitting at carb. Can buy a vacuum fuel pump gauge for $20 or so, or rent from same auto parts...
  19. alldodge

    Mercruiser 260 weird misfire

    Sounds like a fuel issue. Gas is going bad or its getting water in it. Maybe where you buy gas at end of season. Does it sit outside where rain can get to fill port? To late this season maybe, but try dumping filter contents into clear container to see if there is something except clean gas...
  20. alldodge

    Mercruiser 260 weird misfire

    Carb is gunked up and it takes some running to clear it up. If your running Stabil year round I would stop, only use it during winterization. The misfire at high rpm is lean condition so carb is not supplying enough fuel until things free up and flow better
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