Regan, you are so kind to mention me and my setup and I'll continue to give you PWR temps as long as you want/need them.
For some clarity, I won't go into the sorted history of my temp issues (i'm on my 4th radiator) unless someone asks. I now have:
PWR Radiator with integrated oil cooler
Dual 1300cfm fans
Still have the OEM ducting for the rad
The top coolant shield which is also supposed to force air through the rad
Dali's hood duct to force air out of the:
VIS type-R (not deep dish unfortunately) hood.
Front undertray is not yet sealed (should be in a month or so)
Difflow difuser (with other underbody stuff) only exposes oil pan, tranny, and headers
Dali's oversized, baffled oil pan
Dash12 lines up the tunnel to the oil cooler
I run a water/coolant mixture w/water wetter that has a freezing point of 20 degrees
Oil temps are measured on the hose leaving the cooler.
Water temps are on one (sorry I forget exactly which) of the large return hoses next to the overflow tank.
My temps reported to Regan (and Nick) have been from the Max recorded on the SPA gauges. I would safely say that sustained temps are lower.
Compared to what I was dealing with before I'm so far very happy with this system, though had the Masiv been available I'm sure I would have tried it.