GM B-Body Forum, 77-79 Caprice/Impala Forum

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GM B-Body Forum, 77-79 Caprice/Impala Forum

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GM B-Body Forum, 77-79 Caprice/Impala Forum

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GM B-Body Forum, 77-79 Caprice/Impala Forum

A forum for the owners and enthusiasts of General Motors B-Bodies from 1977-1990, but dedicated to the owners of 1977-1979 Impalas and Caprices. Join up now!


2 posters

    30hp loss from fan on new Engine Masters!

    Myloth
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    • Post n°1

    30hp loss from fan on new Engine Masters! Empty 30hp loss from fan on new Engine Masters!

    Post  Myloth Mon Apr 03, 2017 2:58 am

    Just watched the Engine Masters they tested bunch of belt driven fans for parasitic loss.

    A factory GM fan without a clutch sucked 30hp from a 350 ! I suspected something like that

    after I tried few belt driven fans then went to an electric setup last year but wow even the clutch

    fan in a cold room took 15hp.
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    terry cronk
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    • Post n°2

    30hp loss from fan on new Engine Masters! Empty fan

    Post  terry cronk Mon Apr 03, 2017 5:56 pm

    All things being driven take HP!

    That's why a Powerglide transmission takes less horse power than a turbo 400 or even a turbo 350.

    Electric radiator fans are the way to go.
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