Quote:
Originally Posted by IMOA
You can be more aggressive with the tune when you're only running direct injection as it's fundamentally more detonation resistant. My read is that the combination of the intake and the cams have been designed to give a big hump in torque low down for daily driving and a hump up top for when you're driving hard. This leaves a hole in the middle which they have been really aggressive in the tune in an attempt to minimise as much as possible.
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It still makes no sense that they would have left the gap. The only thing that makes sense is emissions at say 50% of the max rpm which is 3,700rpm and they turned off the port injection to keep it super clean at the expense of some torque.