Quote:
Originally Posted by Clap135
When you request enough fuel you get a point where the fuel pump can't keep up with the request. So if it can't keep up and the injectors are spraying wide open, you drop pressure. If you see pressure drops, chances are you maxed out the fuel pump. In some di cars (not sure about this one) this results in a false rich condition as fuel is simply spraying past combustion.
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I understand everything you are saying and your logic makes sense. Still what you saying is that me must monitor both AFR and FP to determine the max limit of the fuel system. I am saying the exact same thing. I am simply looking to push the car until we see anomolies.
Second, the fueling resistors are also limiting mid range fueling right now to 14.0:1 and in my opinion that is not good enough for aggressive setups. You need to bias the O2 sensors more than the ~5k ohm resistors allow. I know I don't feel good triggering nitrous on an AFR of 14.0:1 in peak torque.