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I noticed a pattern of one bank running different than another when I started tuning my car. I think it has something to do with the stock non-parallel fuel rails.
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07-29-2016, 11:07 AM
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Join Date: Aug 2014
Location: Los Angeles, CA.
Posts: 193
Drives: 08 G37S S/C
Rep Power: 41   |
I noticed a pattern of one bank running different than another when I started tuning my car. I think it has something to do with the stock non-parallel fuel rails. Never really figured out the cause. But over a pull there are variations in the two banks' AFRs. Sometimes as much as a full point. In UpRev, there is a table where you can adjust fuel trims per cylinder. I went through and added 1% to all the cylinders on that bank, I think I added to cyl 1, 3, and 5, and then dialed in the correct AFR from there. If you're on ECUtek, I'm not sure what they have in terms of adjustment, but if UpRev has it, I'd imagine ECUtek would have something similar.
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