Quote:
Originally Posted by Tcoat
Ummm from 6000 up is the very definition of a "dip" the difference is that it doesn't recover from it. Like you said it can be fixed by a tune but so can just about every other dip on all the cars. Stock tunes are a compromise of efficiency, emission controls and power and sometimes result in some undesired results in one area or the other.
|
I suspect this and chasing mileage ratings are probably the biggest reasons for torque dips in any engine. The dip is probably the range at which the car is being tested for emissions and mileage certifications. Which is why it usually disappears with a few mods like headers and such.