Cooling questions/suggestions

Currently I cant replace the fans without replacing the radiator because there would be no clearance for it, but that's not in the budget since I just upgraded all this less then a year ago lol.

I cant agree with the fan statement though. The fans pull a strong amount of air through the radiator when on so not sure how changing to a clutched fan would make any improvements. Can you explain how it would improve it?

You need about 4000 CFM of air flow for a mild to moderate HP build. Sounds like you got it figured out. Have fun with it.