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

I went with an 8 blade mopar pump in my 360. May try a 6 blade at some point. I have an 8 blade clutch fan. I wonder if a five blade mopar performance version is as good or cools less?
5 blade clutch, Tried it, for me it sucked.
I'll never run that heavy pos again Jkn.
It didn't move enough air.
But I really have no desire to fund out because i have what works already.

The right capacity and adequate low speed cooling fan, winner every time.