Quote:
Originally Posted by jamesm
The scaling doesn't matter in terms of when it's maxed. 5v is 5v regardless of how much air the ecu thinks that correlates to. If you were hitting 4.8v at those boost/power levels, it has to be stock or smaller or maybe that particular car's sensor was an oddball. I ran 14psi and moved a lot more air before I saw that voltage.
The fact that targets were hit with the scaling near stock would suggest its around the same size as stock, but that's assuming the other fueling related calibrations are dead on true.
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This was on a stock fuel system and I tested E85 and 91. AFR targets were pretty spot on. No matter what it is further than I am comfortable with. Unless you are bone stock I would recommend as SD tune on that setup.