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I for one am happy with what you left. I'm currently testing other tables one at a time. I'm currently working on timing tables.

I'm on stock internals and externals, I've learned enough from this site to make my HHR SS run well, I guess it depends on what is considered a "high performance tune".
I have several hot rods that...

There is enough information on this site to make a good "baseline" high performance tune.
Read whats available and learn to do it yourself, or leave it stock.
What works for me most likely won't...