Results 1 to 6 of 6
  1. #1
    Join Date
    Jun 2007
    Posts
    286

    Default recommendations please 4 or 6 blade fan

    Im looking at switching my motor over to gas would you guys recommend a 4 or 6 blade fan to keep it cool thanks for the opinions

  2. #2
    Join Date
    May 2007
    Posts
    2,814

    Default

    Four blade 19 in

  3. #3
    Join Date
    May 2015
    Posts
    856

    Default

    Add to above post.....GM 36 deg pitch. Normally its a little overkill, but I'd rather be a little cool than hot, esp. with a new setup.

  4. #4
    Join Date
    Jul 2007
    Posts
    3,223

    Default

    I run gas in a mod with a 18" 2 blade and run right on my stat all the time, 406 or crate motor. I do have a shroud.

  5. #5

    Default

    If a two blade works on gas i should not have trouble on alcky.
    Currentley running about 180 to 185 ?? No shroud. FOUR BLADE ????

  6. #6
    Join Date
    Jul 2007
    Posts
    3,223

    Default

    Quote Originally Posted by wallbangerII View Post
    If a two blade works on gas i should not have trouble on alcky.
    Currentley running about 180 to 185 ?? No shroud. FOUR BLADE ????
    that's too cold for alky. I run a plastic fan when I run alky about half inch from the radiator and tape up the bottom half of the radiator so temps run about 200 to evaporate the alky from the oil.

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