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Ruth · 03-25-2020, 07:09 PM

Just speculating but with the plastic fan they flatten out at higher speed so it does not take a much HP to turn but I don't see it increasing HP 10%. Also as the fan flattens out it allows for better air flow thru the radiator.

03-25-2020, 07:09 PM	#4
Ruth Senior Member Join Date: May 2016 Location: Glide, Oregon Posts: 1,339	Re: Serpentine belts Just speculating but with the plastic fan they flatten out at higher speed so it does not take a much HP to turn but I don't see it increasing HP 10%. Also as the fan flattens out it allows for better air flow thru the radiator.