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Thread: Water temps

  1. #1
    Big Inch
    What water temps are you guys seeing in your boats? Mine is running at about 95 under load and it concerns me.
    Please accept my apologies for asking a boating question here

  2. #2
    Magic34
    150-170 in all of my boats. Merc 575s to 496 HOs.

  3. #3
    dunaholic
    What water temps are you guys seeing in your boats? Mine is running at about 95 under load and it concerns me.
    Please accept my apologies for asking a boating question here
    It concerns you that it is Only 95 or that it is getting as high as 95?

  4. #4
    Magic34
    It concerns you that it is Only 95 or that it is getting as high as 95?
    His gauge is broken or he boats in Alaskan waters.

  5. #5
    dunaholic
    His gauge is broken or he boats in Alaskan waters.
    That's what I was thinking. Also could be a jet boat that may not have a thermostat in it.

  6. #6
    River Lynchmob
    Neither of my boats even register temp on the guage. I boat in Parker and do not run thermostats but the water intake runs through the exhaust mainfolds before it runs into the engine to preheat it a bit.

  7. #7
    Big Inch
    95 degrees is what it is heating up to while boating out in Havasu. My gauge or sending unit is not broken. I took a pyrometer with me last time and took readings off the motor and my highest reading was 99 degrees. It is plumbed to preheat the water prior to entering the block. It goes thru the steering and oil cooler then thru the exhaust manifold before entering the motor then goes out thru the risers. I have put a 160 thermostat in it but would really rather not run the thermostat if the motor will function properly at these temps. The motor runs stone cold for some reason. If you open the hatch immediately after a hard run across Havasu you can literally chip the ice off the intake manifold.

  8. #8
    40FlatDeck
    I wouldn't worry so much. I run right at 110, my engine builder says the cooler the better. I have a big blower motor if it makes any difference.....

  9. #9
    40FlatDeck
    150-170 in all of my boats. Merc 575s to 496 HOs.
    I'm not sure how you can call yourself a man with that 496!!

  10. #10
    Magic34
    I'm not sure how you can call yourself a man with that 496!!
    Whatever... Your sticks never even pass the first notch.
    I'll remember that when we are floating under the bridge and I have the BBQ fired up.

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