Radiator question

I just looked online some water pumps have 5 blades some have 8 is there a difference for that car, I'm wondering. Maybe I installed a 5 blade water pump when an eight blade water pump should have been used.

8 blade is generally for AC cars but I still used one in mine even though I don't have AC.
If you need/want a new one anyway you might as well go for it.
I didn't notice any major differences, but my car wasn't overheating in the first place.
The 26 inch radiator sure did the trick though, and was under 200.