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    1. #1
      Join Date
      Apr 2001
      Location
      The City of Fountains
      Posts
      16,126
      Country Flag: United States
      Quote Originally Posted by eville View Post
      ...

      I'm running the dual SPAL fans, my calc shows about 20 Amps max per fan, So I think I'm fine on one pwm. Andrew, do you concur?
      Hard to say! The stock C6 fan is 400watt...so 32 amps at 12v. Two at 20amps might be pushing it, but I have no direct experience with dual fans. I just know you can split the PWM signal from the Holley.

      I did run across this the other day:
      https://www.rockauto.com/en/moreinfo...434490&jsn=447



      Made for Ford Edge with dual fans. Don't know much about it, but I suspect it works just like the C6 fan controller.

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
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      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her


    2. #2
      Join Date
      Dec 2005
      Location
      TuoCo, CA
      Posts
      992
      Country Flag: United States
      Quote Originally Posted by andrewb70 View Post
      Hard to say! The stock C6 fan is 400watt...so 32 amps at 12v. Two at 20amps might be pushing it, but I have no direct experience with dual fans. I just know you can split the pwm signal from the Holley.

      I did run across this the other day:
      https://www.rockauto.com/en/moreinfo...434490&jsn=447

      Made for Ford Edge with dual fans. Don't know much about it, but I suspect it works just like the C6 fan controller.

      Andrew
      I might just run one fan on the PWM and see how the car does. Then use the second fan as and all or nothing on a hard relay.
      Steve
      '68 Camaro - SBC, TKO600, 3.73 Moser 12-bolt, Speedtech, ATS-AFX, Hotchkis, Forgeline, Ron Davis and C5 brakes (Kore3), Holley Terminator TBI.
      Check it Out Here




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