Quick Googled this last night out of curiousity. Found an Acura forum that seemed like a bunch of not-afraid wrenchers. They were talking down on the F1 and up on the Exedy.

I have a CenterForce DF in the SWB and Mitsu OEM in the LWB. I love the CF, though it can wear you down if your are heel-and-tow for long. They say the CF II is the best choice for wheeling as you can slip it more smoothly. When I was finally out last fall, it wasn't rock crawling, just big ruts and steeps. I had the 2.85s engaged and never had to feather the clutch. A bit more money for CF line. But for something that lasts as long as it should, it's cheap in the long haul.