It's not as pronounced on the particular dyno graph of this car due to the scaling of the graph. Much easier to see on numerous other graphs such as this one. La-Z-Link If you' notice at the 2600-2700 RPM there is a noticeable drop in HP and TQ. This is due to a retard in timing which rh_344 is referring to... Makes for better spool and numbers on the dyno but not so great on the street between shifts, not to mention improving before and after comparisons.
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