Auto vs. Marine - SBC Vortec

Discussion in 'Sterndrives' started by Beech2000, Feb 18, 2007.

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  1. RMSOSF
    Joined: Mar 2007
    Posts: 55
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    Location: Florida

    RMSOSF Junior Member

    Generally, it is not needed in cars because car engines run hotter than a marine engine. Mercruiser and Volvo Penta use the heat pipes because the engine runs cooler in a boat and the heat at the intake is not sufficient to completely atomize the fuel. Without the heat pipe, you will likely suffer some on fuel economy and performance. How much? I couldn't tell you, just keep an eye on your spark plugs.... if they run rich, lean out the carb some..... keep playing with it.
     
    RMSOSF, Mar 31, 2007
    #31

  3. Beech2000
    Joined: Jul 2006
    Posts: 122
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    Location: Atlanta, GA (USA)

    Beech2000 Senior Member


    I hate pulling spark plugs out of my boat. Takes all day. What a pain. Still need to though as is is the best indication of whats going on in there.

    Was wondering what the heck that tube was for.

    Anyway now have 4 hours on engine and anxiously await 16 more hours breakin to enjoy results.

    I did throttle up to 5000 for a second or two. Any problems?
     
    Beech2000, Apr 1, 2007
    #32
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