:shocked:
I would love to see where you got this info from.
I'm one of those people who ditched the stock mechanical fan in favor of a second OEM straight blade electric. To this day, I still haven't seen any airflow ratings comparing the OEM straight blade fan to the OEM curved blade fan, so I stuck with the straight blades.
I also have a CSF 3-core radiator and at this time I'm borderline on cooling temps in the middle of summer. This is mostly at highway speeds too, where I'm around 2,500 RPM with my 4.10 gears.
The biggest reason for that is not the lack of mechanical fan but more with the massive coolers I'm running in FRONT of my AC condenser. I didn't have any cooling issues until I installed them, and I knew it might be an issue when I put them in.
My next upgrade is going to be a triple Perma-Cool 10" fan setup.
P/N
19120 is the highest flowing 10" fan I could find on the market.
4.7 amps ea x3 = 14.1 amps total draw
2,350 CFM. ea x3 = 7,050 CFM total
But since I'm not having any major issues, it's not going to be at the top of my list.