Camhar@aol.com wrote: > Ok everyone This peoblem has me stumped. I have a 1998 sentra Gl3 > with a bluebird swap. The problem I am having is When the car > goes into boost it hits 12psi then backs down to 7 psi at WOT. So it spikes to 12psi then goes down to 7psi and stays there until a shift? And then spikes again? More info please. RK