Recent content by cappie

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    Chasing a gremlin 350mpi

    I have been trying to figure out this problem for a while. Its my starboard motor 300hp mpi OLO676540. the boat is a 2002 28 albemarle with straight inboards. Bought the boat 2 years ago. Put a new long block in due to oil pressure loss. However the old motor had the same problem. Problem...
  2. C

    350MPI to fog or not to fog

    In the past I only fog carb motors. Will the fog-out damage the injectors?
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    flo scan on a 350 mpi

    Does installing a flo scan on a 350 mpi restrict the fuel flow?? Erik
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    350 mag mpi back to running rich on cold start

    Changed IAC and coolant temp sensor. Cleaned throttle body, quickleen in fuel. did a complete tune up and it worked for a few start ups. Now it is back to running very rich on start ups. Once it warms up it clears up. Any ideas would be great
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    350mpi black smoke rough idle

    I have twin 5.7 350mpi's. Changed starboard long block last march and noticed by the end of the season that during cold starts, black smoke coming out of the exhaust. Yesterday I started for the first time this year and it looks like it got worse. It also is running a little rougher than usual...
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    fuel sep restriction??

    350 MPI mercruiser Is having 2 fuel filters on each engine going to restrict fuel flow? Erik
  7. C

    350mpi trouble

    I have a 2002 350mpi inboard. Started it up and it pops out the intake. I believe its a lean pop. Checked fuel pressure and it is at only 22psi. Changed the fuel pump and cooler, still does the same thing and has the same pressure. Could the regulator be bad??? Or is there something else going...
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