Quote:
Originally Posted by semtex
Hmm...what ramifications might his have on dyno tuning? Like will the difference in airflow with the car on a dyno vs. real-world driving be enough to invalidate or compromise the ECU map loaded in from a dyno tune?
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On a MAF equiped car, it should compensate for small relativly small differences in air desisty without going to far over in the load, also I am not 100% sure but I think newer Nissans use IAT as a correction. Older Nissans like when I used to work for Nissan didnt but with things getting tight, it would not suprise me if it now was part of the fuel calculation algoritum.
What I think we should do is to put a thermocouple in the area of the air fliters and see whats actualy going in when the car is being driven.
Another thing I was thinking of is perhaps there is radiant heat transfer from the radiator.