Originally Posted by 1hotfocus
This actually gives me a little anxiety. I've been around hundreds of tuning shops and been around some of the best tuners and honestly no car runs the same with the same mods. No matter how many they have done, all cars run differently. Shift point tunes don't need data logging but tunes for a/f ratio changes (intake/header/exhaust) all require specific tuning if your want your car running 100% . I bet if you data logged and had a tuner check it over there's room for improvement.
Forgot to add, when most tunes are sent out, the tune that comes preloaded is usually just a test tune before datalogging, and probably shouldn't be used in the long run, without precision tweaking for your specific car and the way it runs specifically. just an FYI
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this ^^ you want the most out of your car, you get it tuned personally.
2011 Blue Flame Focus SES #011
December 2011 ROTM Winner! :)
I always take a poo before driving to reduce weight and increase performance
you tell me your auto is fun to drive, I laugh in your face.