[pyr0b0y]

So I was having my car dyno tuned yesterday, and was running into a couple issues with the fuel system. I'm NOT running the electronic controller that Aeromotive sells, so it is at 100% duty cycle all the time. At idle I have 60psi fuel pressure, and it goes up to about 65psi up to 5k rpms. Past 5k rpms, it drops down to 38-40psi.

The tuner said that it could be that the fuel pump can not handle the pressure, but Aeromotive says their system handles up to 1100hp on a FI car. We followed all their directions, and are using 1/2" -8 line, and an inline fuel filter, as well as return system with a regulator.

Right now, I'm not sure how to troubleshoot the problem. I don't want to drop the fuel tank. Is there any easy way to test the voltage to the tank? There's a possibility that there is just not enough voltage going to the pump. I'll also be checking the fuel filter to see if there's anything caught in there. I wouldn't think the -8 line is restricting any pressure? This is my 2nd pump for Aeromotive, my first one burned out after ~2.5k miles, so I hope it's not an issue like that.

Any recommendations?