As previously stated, you WANT to run rich. As rich as possible within reasonable limits. Running stoichiometric in general is never wanted, that's just the chemistry talking, and doesn't actually apply all that well in a motor vehicle. I'm sure a race engine (where blowing up is typically expected) could run stoich, but only with some pretty good engine reinforcement.
That said, nothing is more reliable than an NA car at similar build levels. NA-T cars are never a better choice than staying NA. Less parts to break, no possibility of boost leak or surge, less chance of blown gaskets, etc. etc.
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-Phil
"Since one of my brake light bulbs just went out, the forum told me that my piston rings are about to blow."
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