Well I just finished putter together my long block, and put the lower manifold back on, put the injectors on, along with a new AFPR. When you turn the key on the pump primes the pressure raises to 42 Psi, and as soon as the pump stops priming the pressure drops right down to 10! There is no leaks. I brought the car last year and the seller told me that there was a 255 lph pump in there. Is it possible that the pump is bad? Please help!