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  1. alldodge

    Volvo 5.0 gxi Stalls at idle. Hard start.

    The Gxi-D shows 2 vacuum hoses 1 goes the the fuel rail damper, small hose The other I think would go to the valve cover PVC. If either are leaking it can cause issues with idle
  2. alldodge

    Volvo 5.0 gxi Stalls at idle. Hard start.

    Yes, single bolt under the dizzy
  3. alldodge

    Merc cruiser 5 0 backfire

    Don't see popping/backfire when rev limiter is reached. It kills spark a bit TBV limiter is in the 5K rpm range
  4. alldodge

    Merc cruiser 5 0 backfire

    snake oil
  5. alldodge

    Fuel Injector Question

    Should have the injectors flow tested from idle to at least 5000 rpm. If they do not balance then need to be replaced if cleaning doesn't fix. If the O ring was not sealing very well there would be a vacuum leak which would impact idle and performance.
  6. alldodge

    Mercruiser qsd 2,8 Tuning box connections

    Good deal thanks for updating
  7. alldodge

    Mercruiser Oil Pressure Alarm switch troubleshooting

    Both have purple, that's new As you can see in Manual 24 page 4E-10 it should be a Yellow and a Black. Check to see if your purple goes to ground. Guessing but it may have a bad connection
  8. alldodge

    FIP 3/4x3/4 Brass Butterfly valve

    The cost is 1/2 of what hydrohoist wants for same valve
  9. alldodge

    FIP 3/4x3/4 Brass Butterfly valve

    Thanks Scott that's it. If MMC has it, there should be others Note MMC is 1/2 of HH
  10. alldodge

    Quicksilver 3000 throttle control button install

    Put handle in full WOT position and then install
  11. alldodge

    Volvo 5.0 gxi Stalls at idle. Hard start.

    Best to grab the serpentine belt and move that way. Can apply pressure to pulleys as needed to give it a bit more grip if needed Can use anything for stop bolt so long as it can be adjusted inside the cylinder Again you can remove the valve cover This is a amazon, but a local auto parts store...
  12. alldodge

    Best way to learn a language? (Spanish)

    Didn't know we had so many out of work comedians here
  13. alldodge

    Volvo 5.0 gxi Stalls at idle. Hard start.

    Could also say this could be done by removing the port valve cover and watching the rockers
  14. alldodge

    Volvo 5.0 gxi Stalls at idle. Hard start.

    Does the 50 psi stay there while running? From this post your mechanics most likely know how to remove/replace a motor, but don't know how to setup a modern motor. If it was mine I would disconnect spark and fuel to the motor. Do this by pulling fuel pump and coil connectors. Remove the...
  15. alldodge

    Volvo 5.0 gxi Stalls at idle. Hard start.

    Yes the caps have been a problem so its good to rule it out. It didn't change anything so keep it as a spare because they can go out without warning Read thru the post a couple times and I'm always missing something so bare with me. I'm figuring this is a "new to you" boat. Being a new to...
  16. alldodge

    FIP 3/4x3/4 Brass Butterfly valve

    No, it is used for air in this case but will work with water It looks the same as a ball valve on the outside, but inside it has a disc with a O ring around the outside of it https://totalmarina.com/shop-all/valve-butterfly-3-4-in-bronze-w-o-handle-for-use-in-deck-control/
  17. alldodge

    Volvo 5.0 gxi Stalls at idle. Hard start.

    I need motor serial number or something like Gxi-270-G, Gxi-J to narrow it down If it does have the flat dizzy cap, then verify it is positioned correctly. The motor is not timed used base timing mode unless it has the EST dizzy To check timing, motor needs to be at TDC on number 1 cylinder...
  18. alldodge

    Volvo 5.0 gxi Stalls at idle. Hard start.

    Which Gxi is the motor? A, C, D, 270 ...etc
  19. alldodge

    MAG 350 loses power after 20 minutes, need help

    The K&N isn't going to be an issue with SBC. A boat really doesn't need any filter with it being on the water, just something to keep big things from going in. Fella (Smitty - articfriends) on OSO did a dyno test with a (if memory serves) 600+ BBC and tried different filters, Flame arrestors...
  20. alldodge

    I'm just about ready to sink it.

    Post some pics, it might give some insight As a non-expert With shift handle in neutral, disconnect the throttle cable off the carb. Can the carb be opened to WOT by hand? Thinking there is a piece that keeps the carb from opening much at all when in neutral.
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