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Got it in today and loaded the "87 Octane" tune since I had 87 in the truck. I felt zero zero improvement in performance or transmission firmness. I cant even muster an imaginary SOTP gain.
I didn't buy it for the increased octane tunes because I dont plan on buying 91 or 93 octane fuel. As far as trans adjustments, this is simply supposed to firm up the shifts from what I read................and it's pathetic. I think I'm just gonna sell it.
You know that the mpg and power gains even out the extra money, which is about the same amount as a happy meal at mcdonald's, right? Put it on 91 and fill her up with premium, you won't be disappointed.
You know that the mpg and power gains even out the extra money, which is about the same amount as a happy meal at mcdonald's, right? Put it on 91 octane, buy the tranny tune package and fill her up with premium, you won't be disappointed.