What’s better, the Hayden 2747 or 2797 fan clutch?

Greetings again Moparians!

Now that I've got my shiny new Cold Case radiator, the NEXT item to upgrade is my fan. I bought and ran a Hayden 2707 last spring, but removed it just over a month ago and returned for the time being to my 6 blade straight steel fan to insure that plenty air is being pulled past that radiator.

I've seen some anecdotes on the merits of the 2797 extreme duty clutch, and also some on the more modest and slim 2747 heavy duty model. Given how I had to shim BACK my...

What's better, the Hayden 2747 or 2797 fan clutch?