I went down for some dyno time in cleveland. They had a dynojet inertia dyno, so I didn't really bother with tuning, but at least got a power status:

12psi (blue), 13psi (red):
dyno.jpg?t=1244333187

The numbers are so-so, but the car doesn't really feel that quick.

This is the spark map I used for the above numbers. Any comments/suggestions?

dyno_spark.jpg?t=1244333684

 

Looks good to me, you can probably try more timing up top as long as you don't knock.
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The timing on the top end looks good enough, I would smooth out a couple cells that jump 3deg but other than that it looks ok.

The bottom end is all over the place though.

My map transitions a lot smoother but I don't know how/ if yours affects drivability or not. IMO I'd smooth it out alittle