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Originally Posted by cdoxp800
I have found that the N/a's make more power with a 13.2 AFR through the power band.
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Yes, it seems these engines like running on the lean side.
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I think you are right in line with what you should be seeing for your mods and locale.
Take that car somewhere at around the same altitude with temps 30 degrees f cooler, you'll pick up 5-10 easily. Correction factors don't correct 100% accurately.
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Based on different Dynos I've seen, weather really varies performance numbers. Hot + Humid = Much Lower performance
Here's a graph comparing Full boltons untuned Vs Tuned (Thanks Jordo)