fuel pressure

I'm having a problem with too much fuel pressure. I changed out the pump to a walbro 430. My pressure at idle is 48 with the vacuum line on. I have multiple options, 1. Replace the lines with performance lines, 2. Use the vent line, 3. Cut off about 1 inch of the return line at the pump and...

Hey guys, my car is falling on its face whenever I give it any real throttle. I checked my fuel pressure and I am getting ~20 psi, which sucks. I have changed the fuel filter, and that didn't change anything. After some reading, I heard some things about checking the fuel pump and making sure...