True story, my ST is currently in for rear camera blue screen (which the said is a software update, yeah ok! lol), a broken puddle light and an oil change/tire rotation. I specifically told the dealership NOT to perform the computer update recall for the parking brake and it is noted on my work order. We'll see if they listened when I pick it up this afternoon.
This aged well.
... Also, did anyone notice the dyno graph compares "Base tune on 87 oct" vs "Performance tune on 93 oct"? Yeah, double no thanks.
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View attachment 14525
I can tell you right now that "graph" was created by someone plotting numbers in Excel and was not from a real dyno. 400hp rating is crank HP on a dyno test stand.
Going by the graph then, you get 400 hp with 87 octane and probaly 415-420 hp with premium, so the tune is only worth 10-15 hp. Very confusing ...
Based on the information that was provided you are better off just filling your tank with 93 octane and saving the $700.