Quote:
Originally Posted by turbotalon1g
True. Make sure you learn something when you dyno, that way if something happens on the street you can adjust your tune and save your car.
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Or just get the wideband working and wired correctly and have the AEM do it on it's own.
If fuel pressure drops bad though, then no amount of adding fuel to the maps will make a difference. You could wire a fuel pressure sensor into the AEM also and have it adjust the fuel for small fuel pressure drops. Some factory ECUs actually do this. Some cars with factory fuel tanks and poor venting can go lean in the higher gears on a long run due to the fuel pressure dropping because vacuum builds up in the fuel tank and then the often already close to maxed fuel pump has to work a lot harder.
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