I can't remember if we linked this Engine Masters cooling fan HP dyno session before. It's great to watch. Unfortunately, the factory fan robs about 30hp as shown at this point:
https://youtu.be/ZXdLgaFXZzs?t=12m23s
And then they get back 8hp by ditching the shroud (which is how my setup is now since it runs cool without a shroud):
https://youtu.be/ZXdLgaFXZzs?t=14m23s
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Adam
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1964 LeGTO
469, M21, 3.42
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Sold:
1968 Pontiac LeMans Convertible
See it go
HERE