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Help please

  1. #1
    Junior Member NotCal's Avatar
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    Unhappy Help please

    Im new to the jet boat life style so i dont know too much so forgive my ignorance if anything. I bought this boat about 3mo ago, and today i started my 455 Olds after a mild tune up i did about a month ago (plugs, valve covers, valve cover gaskets, new air cleaner, and wires) , reason why I waited a month is due to being in the military i can only come work on it every now and again in my home state. Anyway I started my engine up and it was at its normal smooth loud as hell idle and notice white steam coming out of the exhaust pipes and the ports right above the valve covers. The engine temp was normal, oil pressure was at 50 and my oil looked clean??? So i dont know if this engine is special but i have never seen an engine act that way in any of my cars or trucks. Can anyone please tell me if that's normal or what?????
    Thanks
    Respectfully
    -H-
    1972 SKV Boat 455 Olds Jacuzzi Jet

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  3. #2
    Senior Member
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    Default Water??

    Quote Originally Posted by NotCal View Post
    Im new to the jet boat life style so i dont know too much so forgive my ignorance if anything. I bought this boat about 3mo ago, and today i started my 455 Olds after a mild tune up i did about a month ago (plugs, valve covers, valve cover gaskets, new air cleaner, and wires) , reason why I waited a month is due to being in the military i can only come work on it every now and again in my home state. Anyway I started my engine up and it was at its normal smooth loud as hell idle and notice white steam coming out of the exhaust pipes and the ports(breathers???) right above the valve covers. The engine temp was normal, oil pressure was at 50 and my oil looked clean??? So i dont know if this engine is special but i have never seen an engine act that way in any of my cars or trucks. Can anyone please tell me if that's normal or what?????
    Thanks
    Respectfully
    -H-
    Did you have water going to the engine from a garden hose? If so, and it has wet log exhaust, that is normal. The water leaves the engine via the exhaust...Now the smoke out the breathers is a sign of "blow by".. Meaning pressure is "blowing by" the rings creating pressure in the pan/crankcase... Is there a PCV valve in one valve cover, and a breather on the other?... After sitting for a while it would not be too unusual to see some blow by. SOME being the key word there, some... IF you didn't have water running to the engine, then you might be seeing oil smoke from worn, or "lazy" rings..... It might go away. It might not... You really need to get someone that knows about jetboats involved... Where are you, or where is the boat???....
    Ray
    LOUD BOATS SAVE LIVES

  4. #3
    Junior Member NotCal's Avatar
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    Default

    Quote Originally Posted by Moneypit View Post
    Did you have water going to the engine from a garden hose? If so, and it has wet log exhaust, that is normal. The water leaves the engine via the exhaust...Now the smoke out the breathers is a sign of "blow by".. Meaning pressure is "blowing by" the rings creating pressure in the pan/crankcase... Is there a PCV valve in one valve cover, and a breather on the other?... After sitting for a while it would not be too unusual to see some blow by. SOME being the key word there, some... IF you didn't have water running to the engine, then you might be seeing oil smoke from worn, or "lazy" rings..... It might go away. It might not... You really need to get someone that knows about jetboats involved... Where are you, or where is the boat???....
    Ray
    WOW right on the money! if i had a million dollars I would give them to you right now for getting this doubt off my shoulders! You called it, YES on the water hose, Yes on the breathers so is that set up on the breathers ok?? and thank you for answering the steam question
    1972 SKV Boat 455 Olds Jacuzzi Jet

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  6. #4
    Junior Member NotCal's Avatar
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    Default

    Quote Originally Posted by moneypit View Post
    did you have water going to the engine from a garden hose? If so, and it has wet log exhaust, that is normal. The water leaves the engine via the exhaust...now the smoke out the breathers is a sign of "blow by".. Meaning pressure is "blowing by" the rings creating pressure in the pan/crankcase... Is there a pcv valve in one valve cover, and a breather on the other?... After sitting for a while it would not be too unusual to see some blow by. Some being the key word there, some... If you didn't have water running to the engine, then you might be seeing oil smoke from worn, or "lazy" rings..... It might go away. It might not... You really need to get someone that knows about jetboats involved... Where are you, or where is the boat???....
    Ray
    the boat is in glendale az
    1972 SKV Boat 455 Olds Jacuzzi Jet

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