Oil cooler water control valve
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Oil cooler water control valve

  1. #1
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    Default Oil cooler water control valve

    I am going to be rigging up my jetboat here soon. I am using a large Eddie marine oil cooler, my only concern is that the oil will not get hot enough to flash out the moisture in the system. I am running an oil temp guage to monitor, I was wondering if I could run a manual control valve by the drivers seat to regulate water flow out of the oil cooler. I am running a bypass regulator for the inlet water so pressure in the cooling system wouldn't be an issue. Would this work or am I over thinking this?
    thanks

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    I've thought about doing this several times. Just have a manual valve that you can turn on and off with a pull/push cable. Just need the right kind of valve.

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    Quote Originally Posted by bbfsouthwind View Post
    I am running a bypass regulator for the inlet water so pressure in the cooling system wouldn't be an issue. Would this work or am I over thinking this?
    thanks
    I'd make sure it won't get hot enough first before getting complicated.

    That being said, have you though about using your bypassed water to cool the oil? That way at idle and low speeds the oil can warm up. When you floor it the cooler will have cooling water.

    Just a thought.

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    Senior Member $uperJoe's Avatar
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    im running all my water through the cooler. i thought about the same thing you did and wondered if i would be over doing it. with all the water running through a large cooler my oil peaks at 210 but not higher. it will hold 210 for 7 minutes at 4900Rs. then i run out of lake. i would just install it and worry later if you feel adjustments are needed

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    Ok guys, thanks for the input! I will just leave well enough alone an set it up without a valve and watch the oil temp.

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    gn7
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    Any of you ever consider running the dump water thru you oil coolers? 250* oil against 140* water is still a cooler. There is still and exchange happening, and it might even help heat the oil faster. Ford GT 40s used the leaving water from the radiator to "cool" the oil. I assure you, it was not 75* lake water, and those things ran flat out for 24 hrs.
    I don't run lake water straight into my cooler, and it has a thermostat.



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  9. #7
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    thats a good idea. i may look into that on the replumb once my pressure bypass comes in. idling around in the no wake zone for a while will drop my temp to less than measurable, as my gauge starts at 100*. this would keep me in a narrower usable range opposed to swinging back and forth so far

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    Quote Originally Posted by gn7 View Post
    Any of you ever consider running the dump water thru you oil coolers? 250* oil against 140* water is still a cooler. There is still and exchange happening, and it might even help heat the oil faster. Ford GT 40s used the leaving water from the radiator to "cool" the oil. I assure you, it was not 75* lake water, and those things ran flat out for 24 hrs.
    I don't run lake water straight into my cooler, and it has a thermostat.
    I've thought about it....just haven't done it yet. Something to do in the off-season with a few other things.


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    Quote Originally Posted by gn7 View Post
    Any of you ever consider running the dump water thru you oil coolers? 250* oil against 140* water is still a cooler. There is still and exchange happening, and it might even help heat the oil faster. Ford GT 40s used the leaving water from the radiator to "cool" the oil. I assure you, it was not 75* lake water, and those things ran flat out for 24 hrs.
    I don't run lake water straight into my cooler, and it has a thermostat.
    This is how I plumbed mine, and for those very reasons. The exit water will help heat the oil quicker and then will cool the oil when oil temp exceeds the water temp. Kind of a funky thermostat idea.

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    Quote Originally Posted by ICECREAMAN:1728081
    Quote Originally Posted by gn7 View Post
    Any of you ever consider running the dump water thru you oil coolers? 250* oil against 140* water is still a cooler. There is still and exchange happening, and it might even help heat the oil faster. Ford GT 40s used the leaving water from the radiator to "cool" the oil. I assure you, it was not 75* lake water, and those things ran flat out for 24 hrs.
    I don't run lake water straight into my cooler, and it has a thermostat.
    This is how I plumbed mine, and for those very reasons. The exit water will help heat the oil quicker and then will cool the oil when oil temp exceeds the water temp. Kind of a funky thermostat idea.
    X2

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    still need to do this.... maybe after this weekend.

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    Senior Member ICECREAMAN's Avatar
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    I actually added a ball valve in the water line feeding the oil cooler. Even running the engine exit water to the cooler (2nd dump line) I wasn't getting any oil temp to speak of. Now, I closed the ball valve down about 1/2 way and I'm running 140*- 150* at cruise and have seen 180* after a few hard passes. I figure as the summer, and water get warmer I can open the valve if I start seeing to much heat in the oil. I like seeing 150* on the oil temp a whole lot more than the needle not even moving on the gauge.
    Last edited by ICECREAMAN; 07-05-2013 at 09:01 AM.

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