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Thread: car running too cold what the hell

  1. #31
    Senior Member wntdae86's Avatar
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    the temp sender should be on the flow side so on the hot side .....
    2 in the pink 1 in the stink

  2. #32
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    well guys i tryed the genuine thermostate it made no diffrence so i can cross that off.

  3. #33
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    and that im aware of this is how my cooling system works thanks to sam q website

    The cold water leaves the radiator and enters the back of the water pump, it is pushed through the block, through the center and exhaust side of the head, is bypassed at the back of the head to divert the flow down the inlet port coolant channel and out to the radiator.

    So in summary for the modified cooling path:

    - Bottom of radiator cold water out
    - Water pump
    - Engine block
    - exhaust side of head
    - Head inlet ports channel (passage above inlet ports)
    - Top radiator hose and radiator

  4. #34
    Senior Member H8CHIR6KU's Avatar
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    so from that summary i would try having the temp sender for the guage in the top hose outlet as that would be reading the hotest part of the system

  5. #35
    Senior Member dtour's Avatar
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    i have the same issue, i used the rschita kit so my 20v is setup like a bigport, ie sensor for ecu in back of head and dash sensor in top radiator pipe, i also have a fat alloy rad.
    When sitting in traffic temps climb to 85 thermos turn on temps go back down, start driving temps fall to roughly 65 all these reading come from the back of the head. so... I dunooo...
    So what is the stock temp the thermostat opens?
    Last edited by dtour; 16th June 2010 at 11:01 PM.

  6. #36
    Senior Member H8CHIR6KU's Avatar
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    from memory is 82 degrees. i would say with your car your cooling it too early. most thermo fans on street cars come on around the 96 degree mark, some a bit more. if its too cold your just going to play havoc with your thermostat opening and closing all the time

  7. #37
    Veteran R&D Mechanical's Avatar
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    +1 to what ken said, i had the same thing, 80 degree on the standed water outlet sender for the gauge next to the top hose and, about 60 degrees at the back of the head for the coolant temp sensor (getting the readings from the ECU). I would say its always the best way to have the gauge on the hottest side to be safe. when my guage (speco) goes to 100 i know its still safe, even 120 is good but i would stop as its the end of the gauge and you dont know what it could be after that.
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  8. #38
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    so assuming you have a standard cooling system.

    where is the sender for the guage on a standard 20V?
    In faith there is enough light for those who want to believe and enough shadows to blind those who don't.
    - Blaise Pascal

  9. #39
    Senior Member H8CHIR6KU's Avatar
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    by ken do you mean me? cause im aaron. like the 3rd person called me ken in 2 days, or was it kent????

  10. #40
    Senior Member H8CHIR6KU's Avatar
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    thats like comparing a fwd bigport motor and a rwd bigport motor. fwd setup is near the thermostat while rwd is in the top hose outlet.

    but the fwd motor isnt running in fwd configuration and the cooling system isnt standard anymore so is kind of irrelevent how it was

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