Which one flows better, factory 6 blade water pump or 8 blade

kursplat said

i've seen stuff both ways, the fan comapnies say 1/2 & 1/2, so who knows...

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Yeah, I am certainly not an expert. That is the trouble with the internet, it is hard to tell facts from opinions. Back in the day, my dad used to refer to some things as “old wives tales”.....