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Cooling issues? Not anymore

Discussion in '3rd Gen. Tacomas (2016-2023)' started by Deo taco, Aug 25, 2020.

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  1. Aug 25, 2020 at 1:48 PM
    #61
    MESO

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    MESO Major Modder Vendor

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    OP where did you find an 18"? I've only seen 16" from SPAL.
    Also.. I know removing the clutch fan to free up horsepower is great, but is there any trade off now the alternator has to work harder to run the increased amperage of the fan. Thus negating the power gains?
     
    MESO, Aug 25, 2020
    #61
  2. Aug 25, 2020 at 1:51 PM
    #62
    Deo taco

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    Deo taco [OP] Well-Known Member

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    there will be more load, but since the fan system is direct wired to the battery and controlled by pulse width modulation the extra drag on the motor under full 100% fan load is around 1hp. and that when the fan is drawing 100%. the the power of this fan i might only ever need 40% command unless under extreme conditions. remember this fan is being sourced from a OEM application and isnt readily available to the aftermarket yet. but is used in cars making 650hp+
     
    Deo taco, Aug 25, 2020
    #62
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  3. Aug 25, 2020 at 1:53 PM
    #63
    Deo taco

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    Deo taco [OP] Well-Known Member

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    Using Ohms Law: The formula to find power (watts) using Ohms Law is P = I X E or Power = Current X Voltage I = 50 amps (alternator rating) E = 14.9 volts (set voltage of alternator when engine is running) 50 amps X 14.9 volts = 745 watts

    Assuming 1 horsepower is equal to 746 watts, we can calculate lost horsepower as follows: HP=745 watts / 746 watts HP=1.0 (approx.)
     
    Deo taco, Aug 25, 2020
    #63
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  4. Aug 25, 2020 at 1:56 PM
    #64
    RX1cobra

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    RX1cobra Well-Known Member

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    Toyota has a TSB for inadequate airflow at idle and shockingly their fix is an E fan. Another data point to drive those home further (previous was a clutch fan but not locked)... when that fan is fully locked its taking 30+ HP to turn. I'd like 30 extra HP and almost 20 ft pounds and better cooling.

    If you've never watch Engine Masters you should. It's a great show and they're really good at showing what does and doesn't make power. Worth the Motor Trend subscription for that alone.

    Fan 1.jpg Fan 2.jpg
     
    RX1cobra, Aug 25, 2020
    #64
    D.A.S. Taco, ovrlndkull, Gunshot-6A and 2 others like this.
  5. Aug 25, 2020 at 2:02 PM
    #65
    dirty deeds

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    dirty deeds Big Blue Nation!

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    Did you follow the link? And read?
    Not to bust your balls, but they state the fan pushing/pulling 3,000 at 0.
     
    dirty deeds, Aug 25, 2020
    #65
  6. Aug 25, 2020 at 2:06 PM
    #66
    theick

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    theick Well-Known Member

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    IF you are using the OEM gauge to to determine if you are overheating you should know that the gauge sucks. Mine sits dead in the center for everything from 165-210.
     
    theick, Aug 25, 2020
    #66
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  7. Aug 25, 2020 at 2:14 PM
    #67
    Lucario Runner

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    Lucario Runner Resident Truck/SUV racer

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    Correct. I could take a tape measure later when I get home later today to confirm.
     
    Lucario Runner, Aug 25, 2020
    #67
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  8. Aug 25, 2020 at 2:15 PM
    #68
    Lucario Runner

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    Lucario Runner Resident Truck/SUV racer

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    As an m.e. that has worked with Toyota i can confirm that is false.
     
    Lucario Runner, Aug 25, 2020
    #68
    D.A.S. Taco, not_nick, Taconator_ and 11 others like this.
  9. Aug 25, 2020 at 2:15 PM
    #69
    Skydvrr

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    Skydvrr IG: @kalopsianick

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    Yeah the Guage doesn’t work well. But live data seems accurate
     
    Skydvrr, Aug 25, 2020
    #69
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  10. Aug 25, 2020 at 2:19 PM
    #70
    BearWithMe

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    BearWithMe Well-Known Member

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    What price point are you targeting? I’m definitely interested as a way to free up some power. Need everything I can get at 6500 feet.
     
    BearWithMe, Aug 25, 2020
    #70
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  11. Aug 25, 2020 at 2:23 PM
    #71
    TireFire

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    TireFire Superunknown Member

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    Yeah it’s not Really a gauge, you’re better served thinking of it as an idiot light. Because people are idiots and want to see a happy gauge sit smack in the middle because normal temperature fluctuations with changing operating conditions freak them out. The gauge will only move when you get close to warping the heads.
     
    TireFire, Aug 25, 2020
    #71
    D.A.S. Taco, ovrlndkull and tonered like this.
  12. Aug 25, 2020 at 2:26 PM
    #72
    MESO

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    Gotcha, I knew it would be more drag.. nothing is free. But that is minimal, which is reassuring. 16-up Camaro?;)
     
    MESO, Aug 25, 2020
    #72
  13. Aug 25, 2020 at 2:27 PM
    #73
    Deo taco

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    Deo taco [OP] Well-Known Member

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    that is TBA. but its going to be around 800 to 1000 for the complete setup. thats all based on the fact we are using top notch products
     
    Deo taco, Aug 25, 2020
    #73
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  14. Aug 25, 2020 at 2:28 PM
    #74
    Skydvrr

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    Agreed.
     
    Skydvrr, Aug 25, 2020
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  15. Aug 25, 2020 at 2:29 PM
    #75
    Skydvrr

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    Annnnnnd I'm out



    Probably
     
    Skydvrr, Aug 25, 2020
    #75
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  16. Aug 25, 2020 at 2:29 PM
    #76
    tonered

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    tonered bartheloni

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    Well. I'm un-:popcorn: this thread.

    :hattip:
     
    tonered, Aug 25, 2020
    #76
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  17. Aug 25, 2020 at 2:30 PM
    #77
    Itchyfeet

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    Itchyfeet Well-Known Member

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    How many people here are driving with this engine at high rpm?

    I'm not adding an electric fan. I would be interested in a Koyo all alloy rad if they ever made one and my truck was out of warranty
     
    Itchyfeet, Aug 25, 2020
    #77
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  18. Aug 25, 2020 at 2:31 PM
    #78
    Deo taco

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    Deo taco [OP] Well-Known Member

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    sorry man that might change and come down depending on my buying power with more but the fan alone is expensive and so is the controller
     
    Deo taco, Aug 25, 2020
    #78
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  19. Aug 25, 2020 at 2:31 PM
    #79
    Deo taco

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    Deo taco [OP] Well-Known Member

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    if you notice it is a drag regardless of the the RPM. RPM just makes it worse
     
    Deo taco, Aug 25, 2020
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  20. Aug 25, 2020 at 2:34 PM
    #80
    Deo taco

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    Deo taco [OP] Well-Known Member

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    what would you like to see it near. i can only do so much
     
    Deo taco, Aug 25, 2020
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