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Recent content by cgentile

  1. C

    Miss firing at higher RPM

    4.3L vortec engine starts to 4.3L vortec engine starts to miss fire on cylinders when opened up.. or running over 3800 rpm . idles fine and then starts loosing power under load.. no rea Back firing just loss of power... more of a not running on all cylinders and never does this on lower...
  2. C

    43 merc Barnacle cook out

    "Okay so after some good discu "Okay so after some good discussion from the board things have proceeded nicely in the Donzi over heating problem. When I last left, i was off to pull the risers and check the manifolds. Well sure enough after thermostat housing was a nest of sea crusties as we...
  3. C

    Water temp amp Cause

    Okay Im back ... have located Okay Im back ... have located the problem with overheating in my 4.3lx on the Donzi.... restricted water ways... pulled the thermostat housing ...yikes crusty barnacle growth ... all hard and scaling off now...Boat had seen a bit of salt water running in its first...
  4. C

    Scalling and water temperture V6

    "Earlier I posted a question r "Earlier I posted a question regarding water temperture V6 merc. I was having a slighte over heating issue after long runs. After coming to a idle engine would heat up, or after running hard. New impeller was installed , still same issue. Pulled the thermostat...
  5. C

    Water temperture V6

    Okay running silent choice o Okay running silent choice on my Donzi. 1994 V6. Always runs 150 for temp. Now the Temperture rises when running above 3800rpm and water stops pumping out headers by 80%. Had to shut it down to let it cool. No weeds impellar new and just checked. Just...
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