Please help! I am running out of fuel with the Ford Racing Dual Pump system. My car is a single turbo car. At 7 psi, all is well, pressure is 38-40, AF steady 11.4-11.5, MAF at 3.4 volts or so, pump duty cycle is a little over 80%. At 11psi I start to loose it. pressure is around 36, AF OK, but...