Quote:
Originally Posted by njbrain  Yeah, that is all it does. Fool your IAT into thinking the air is colder than it actually is, thus making the car run richer. I can't see for the life of me how that would give you anything but fowled spark plugs and poor fuel economy. |
ECT is the only thing that can alter the afr ratio or fueling of your car. And that is correct,The IAT does not add timing but it does start to pull timing at 104*F.