Wow, yeah lean is mean but not at the cost of burning thing up, haha. Hopefully the tuned AFR's looked better? I mean 15:1 under full boost (even if stock 7-8psi) just doesn't seem right.
The tune dyno still shows that sag in the 3-4k range... Now is this engine the Valvetronic engine? (No throttle body) Perhaps that will need a bit of tuning to allow it to deviate from stock logic, which is generally based on emissions and fuel economy.
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