I've got Type R dual valve springs and titanium valve retainers...I was just curious if anyone knew anything about the Skunk2 ECU's and how they differ from the regular GSR ECU? Cause the Skunk2 was already in the car when I bought it. I don't know how much this helps with figuring out what the computer is doing exactly, but right now my car is running really rich since I had to go from the ITR cams that were in there when i bought it to the b16's that i have in there for the time being...