I could undersand a "post tune" if a part needed to be broken in (like getting another alignment after springs settle). But assuming there's no new turbo, would a "post tune" really be beneficial in any way? I mean I could understand letting the car cool down between pulls, but coming back a whole other day? I guess I always assumed a tune would be just as good as when it was new indefinently. Am I wrong?
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Slow and low, that is the tempo.
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