Thread: Radiator Fans

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  1. #1 Radiator Fans 
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    Hey Guys,
    I have 1997 GP se AC not working (not planning on fixing). Car will go to 212 before fan comes on slow. I would like to have fan come on slow speed when I start car. The plug on the fans has 4 pins can I cross some to make fan run or is there another way
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    MDCruzer
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  2. #2 Re: Radiator Fans 
    Killa Bee Scottydoggs's Avatar
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    thats when they come on for a stock settings in the pcm. the only way is to have your pcm tuned to turn the fans on sooner.

    or run a new relay and switch to them, and run it manually.

    truth is, your car want to run at 200 deg's. and will fight to get there no matter what you do to it. making it run to cold can also kill you mpg come winter time.

    best to just leave it as is really.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: Radiator Fans 
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    Quote Originally Posted by Scottydoggs View Post
    thats when they come on for a stock settings in the pcm. the only way is to have your pcm tuned to turn the fans on sooner.

    or run a new relay and switch to them, and run it manually.

    truth is, your car want to run at 200 deg's. and will fight to get there no matter what you do to it. making it run to cold can also kill you mpg come winter time.

    best to just leave it as is really.
    Thanks Dog, Probaly should just leave it alone. Most likley I get the cold thing from my Turbo Buick days.
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  4. #4 Re: Radiator Fans 
    I Write E85 Stickies Frosty's Avatar
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    Eh. I have been running a 180* tstat and a 185* fan turn on for 3 years now. Minimal if any effect on mpg. I still can get 27 mpg with my GT gears, and all the mods in my sig..... when I run gas that is. On e85 its alot less.
    "Lets just throw more boost at it and see what happens" -Frosty
    The Defacto Guide to tuning your car for E85. Read it and learn.



    I love Decker<3
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