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Engine hours

Discussion in 'Carver Yacht' started by Good Spirit, Jul 20, 2014.

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  1. Good Spirit, Jul 20, 2014
    #1
    Good Spirit

    Good Spirit Member

    Joined:
    Nov 4, 2012
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    Location:
    Northern harbour lake of the woods Ontario Canada
    My 3608 has twin crusaders with just over 1000 hours. The compression is still very good , they run well no issues. My question is wha t is realistic for these gas engines before I need to be thinking of major repairs or rebuilds?
  2. Capt J, Jul 21, 2014
    #2
    Capt J

    Capt J Senior Member

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    Jul 11, 2005
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    Location:
    Fort Lauderdale
    It just depends......1000 hours is the rule of thumb on them, but I have seen several sets that were maintained and in lighter boats that cruised north of 20 knots and went several thousand hours.....Good compression is a good rule of thumb.....remember,all it takes is a leaking exhaust manifold/riser to kill a gas engine whether it's got 300 or 3000 hours.....

    I'd run them till they stop running good......personally.
  3. carguy, Sep 20, 2014
    #3
    carguy

    carguy New Member

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    May 18, 2014
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    Location:
    Hastings, MN
    It also depends on useage. A big difference between low rpm useage and really pushing it. Interestingly enough, I bought a Chrysler mini van 1 1/2 years ago. One of the things it tracks is engine hours. I know that marine and auto use is completely different but it was interesting to find that I'd put on nearly 900 hours in 30,000 miles.
  4. K1W1, Sep 20, 2014
    #4
    K1W1

    K1W1 Senior Member

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    From what I recall that's about right you have average 33 mph, we used to do 1st Service at 1500 miles or 50 hrs