Oil temp sender
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Oil temp sender

  1. #1
    Senior Member Skydog's Avatar
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    Default Oil temp sender

    Where are u guys putting it to get oil temps? B.B.C. Mine is in the oil pan so temps are reading real low.

    Thank you

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  3. #2
    Senior Member H20MOFO's Avatar
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    Quote Originally Posted by Skydog View Post
    Where are u guys putting it to get oil temps? B.B.C. Mine is in the oil pan so temps are reading real low.

    Thank you
    Thats where mine is...it takes a while for me to get all 10 qts warmed up.
    Another Hot Boat refugee

  4. #3
    Senior Member Skydog's Avatar
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    What kind of temps do u see there? I am low like 150 desg or so. Would like to get a reading of the oil going back in to block. Would that be back by the head in the block where my oil PSI sender is?

    Thank you

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    21 Daytona Outlaw's Avatar
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    mine is in the pan also, basically reading the oil temp after it has gone thru the engine where it should show the highest temps, I'm not concerned how hot it is after the filter and cooler
    #55

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    21 Daytona Outlaw's Avatar
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    are you running an oil cooler? you need at least 200 degree oil to burn off
    the condensation and contaminates from the oil
    #55

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    Senior Member lbhsbz's Avatar
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    The oil pan is about the most accurate place to measure oil temp if you're not running an oil cooler. I ran a 5/8-14 tap through my drain plug hole and found a brass adapter to bring it down to 1/8NPT.

    If you are running an oil cooler, I've put a AN TEE in line and cap the 3rd leg of the TEE with a solid AN cap....then drill and cut 1/8NPT threads in the cap so the tip of the sender sits in the oil flow. That worked well, but the solid caps are hard to find...seems most out there are the 2 piece caps.
    Last edited by lbhsbz; 09-16-2010 at 08:12 AM.

  9. #7
    Senior Member Skydog's Avatar
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    Well that is my problem, i have a big cooler and a Hardin Marine thermostst 212F. I am seeing condensation in my valve covers. All the puming is right to the cooler,t-stat and oil filter. Dont get the low oil temps??

    THANK YOU
    Last edited by Skydog; 09-16-2010 at 08:19 AM.

  10. #8
    Senior Member Skydog's Avatar
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    Man guys i am getting info all over the place, one big shop told me oil should be like 160DEG and water about 100Deg. They all so told me get my oil temp at my oil filter block adapter. And not to run a T-stat in my oil?? haha WOW

    My water temp is like 160DEGs sender are on both side of the intake on the back.
    My oil is like 150DEGs sender in the Pan.

  11. #9
    Senior Member lbhsbz's Avatar
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    Quote Originally Posted by Skydog View Post
    Man guys i am getting info all over the place, one big shop told me oil should be like 160DEG and water about 100Deg. They all so told me get my oil temp at my oil filter block adapter. And not to run a T-stat in my oil?? haha WOW

    My water temp is like 160DEGs sender are on both side of the intake on the back.
    My oil is like 150DEGs sender in the Pan.
    The reason you run a T-stat for the cooler is so your cooler doesn't work at low temps....Oil should be at the very least 220° or so. My temps are regularly 250°+ and I've got no condensation at all in the valve covers. I'm also using a high HTHS oil so it likes higher temps.

  12. #10
    Senior Member Skydog's Avatar
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    Yea buddy for sure i understand the t-stat in the oil for sure. I was blowen away when he told me not too!! If im temps are low now!! WOW I just dont understand why oil so cold with a 212F t-stat in the oil. Man i should just put a closed setup on her and be done!!

  13. #11
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    I have the t-stat controlled cooler from Hardin and read the oil temps in the pan. Once warm the oil stays between 200 - 215 depending on how hard I'm pushing it. Test your T-stat to assure its working properly. Put it in a pot of water on the stove and slowly heat the water while watching the t stat. As it warms the t stat extends outward blocking off the cooler bypass tube forcing more oil through the cooler. If for some reason the t-stat is extended out and stuck you will be cooling most or all of the oil causing your low oil temps. Also is there teflon tape on the sender in the pan? I have seen this cause grounding issues with the sender which could make the temp read low, but if you are seeing moisture in the oil its probably reading correctly and too cool.

  14. #12
    Senior Member lbhsbz's Avatar
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    Quote Originally Posted by Skydog View Post
    Yea buddy for sure i understand the t-stat in the oil for sure. I was blowen away when he told me not too!! If im temps are low now!! WOW I just dont understand why oil so cold with a 212F t-stat in the oil. Man i should just put a closed setup on her and be done!!
    Wanna get the oil temps up?....put your foot in it. Cruising around nice and easy doesn't put any temperature in the oil...flat foot it for a few miles straight and your temps will come up.

  15. #13
    Senior Member Skydog's Avatar
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    Quote Originally Posted by WETTE VETTE View Post
    I have the t-stat controlled cooler from Hardin and read the oil temps in the pan. Once warm the oil stays between 200 - 215 depending on how hard I'm pushing it. Test your T-stat to assure its working properly. Put it in a pot of water on the stove and slowly heat the water while watching the t stat. As it warms the t stat extends outward blocking off the cooler bypass tube forcing more oil through the cooler. If for some reason the t-stat is extended out and stuck you will be cooling most or all of the oil causing your low oil temps. Also is there teflon tape on the sender in the pan? I have seen this cause grounding issues with the sender which could make the temp read low, but if you are seeing moisture in the oil its probably reading correctly and too cool.
    THank you!!!

  16. #14
    Senior Member Skydog's Avatar
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    Quote Originally Posted by lbhsbz View Post
    Wanna get the oil temps up?....put your foot in it. Cruising around nice and easy doesn't put any temperature in the oil...flat foot it for a few miles straight and your temps will come up.
    HAHA Thank you guys so much! Just got so much in her dont want to hurt her if i can help it!!

    Matt

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