I have heard that Porsche is trying to milk these engines in small incriments due to the logical ceiling with the 997's 3.8L mill. They will spread out the h.p. and displacement to allow small steps just as with the original 986 the cap being 225 on my 04 2.7 (series 1 let's call it). Now with the 2nd gen motors they have upped the hp a bit. Like you said moving the obvious graph up a few hundred rpm and thus power and a bity of torque. My motors redline is 7200 and yet max power is at 6450 I think (but it really goes flat above 6k).
Ultimately if I could move that graph up to say max power at 7000 while adding headers, intake etc should get me close to 250. It would be more enjoyable to drive (pulling to redline) as apposed to falling flat at 6k. If all goes well it will be fun trying anyway.
I love tuning chat
P.S. I found out that contrary to what I thought before, Remounting the first o2 sensor to the cat (in the case of a high flow system, the one that WAS at the pre-cat) is not good. You have to extend the harness leads to the o2, that's bad. And by leaving it very close to it's original position but now on the headers (just past the collector) is the best shot and for no cel. Header wrap/jethot coating would probably help in this regard as well keeping the inside HOT for proper o2 reading. Neil @ Orton said he does this all the time with no cel's.
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