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  1. alldodge

    Merc. MPI 300 Water Leak-Water Distribution Housing? & Winterization Question

    Flush hoses on seawater pump and the crossover, remove thermostat. You should be good
  2. alldodge

    Impeller housing overheating

    Meter connects to Negative side of coil and ground to measure dwell After timing is set and dwell correct, adjust carb if need be to meet spec
  3. alldodge

    Merc. MPI 300 Water Leak-Water Distribution Housing? & Winterization Question

    You have closed cooling I take it??? What is your serial number?
  4. alldodge

    Need More Bling

    Ahh no
  5. alldodge

    Mercruiser 3.0 blowed a spark plug

    Gray comes from Neg side of coil and goes to the Tach thru the 10 pin motor connector. In most cases, just disconnect from the Tach to verify its not the problem
  6. alldodge

    Merc. MPI 300 Water Leak-Water Distribution Housing? & Winterization Question

    When pieces are found its best to back flush everything If the impeller is not moving water then it needs to be looked at and determine if it needs replacing Was the thermostat installed correctly?
  7. alldodge

    Mercruiser 3.0 blowed a spark plug

    Then you have a spark issue, or your flooded really bad Run through this
  8. alldodge

    Chris Craft Volvo Penta 4.3 Ignition does not turn engine over

    Yes gauges I have no idea what you have or don't have If gauges turn on, have 12V on coil but the issue is it won't crank then
  9. alldodge

    Mercruiser 3.0 blowed a spark plug

    Don't see how that would happen Maybe the rotor didn't go all the way on. If it was just a tad to high, the distributor would turn, but the rotor may not, get hung up inside the cap. Check the rotor closer to see if something looks wrong
  10. alldodge

    Carb or worse?

    Bit late, but push rods and lifters should be kept in original position. Probably still be ok, but always best to keep them in order When installing rocker arms, the valve must be fully closed. Once closed zero lash is determined and then 3/4 of a turn more Zero lash is found by holding the...
  11. alldodge

    Mercruiser 5.0 MPI Bravo 3 overheat 5 minutes after starting it up.

    Yes, post 9
  12. alldodge

    Chris Craft Volvo Penta 4.3 Ignition does not turn engine over

    Power comes from motor to ignition 20 amp fuse Fuse to key switch red/purple Key purple to kill switch Kill switch to gouges and back to the motor Having 12v on both sides of kill switch and no gouges means broken wire between the two. Hand trace the purple
  13. alldodge

    Need More Bling

    Ahhh no to both
  14. alldodge

    Carb or worse?

    Get a straight edge and check flatness. If both are flat then all it will cost ya if it fails is another head gasket
  15. alldodge

    5.0 TBI low fuel pressure after running for 10 to 15 minutes

    The coolers are to help prevent vapor lock. That's not your issue and the motor would overheat if there wasn't enough flow. Only way I know to measure pressure on TBI is with the Merc tee fitting
  16. alldodge

    5.0 TBI low fuel pressure after running for 10 to 15 minutes

    Your hand pump might be masking the real issue. It might be a collapsed fuel line, but then again it may be the regulator (item 15). Need to check fuel pressure 30 psi. Could be its low to begin with and just gets to low to run later https://www.mercruiserparts.com/bam/subassembly/31846/4856/90
  17. alldodge

    Mercruiser 3.0 blowed a spark plug

    Need a carb rebuild
  18. alldodge

    Carb or worse?

    Have a valve job done on the head. The machine shop will check for flatness and cracks. Check the block for flatness using a metal straight edge, like a framing square or other. If the head or block isn't cranked, then water came in through the head gasket
  19. alldodge

    Changed Bellows still have water

    Place the boat in the water and use the camera it and around to see where water comes in at
  20. alldodge

    Changed Bellows still have water

    I'm sure you don't want to hear this, but it comes down to figuring out where the water is coming in. Don't know how fast its coming in, but use your phone camera and get it where your head doesn't fit and see if you can find out
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