I just installed a new electric fuel pump and it is not keeping up really good. It flows at 15 psi so i had to get a regulator set at 6 psi. I mounted it near the bottom of the fuel tank but its not gravity feed(factory tank). If i turn the motor off and turn the pump off and on I can eventually get it up to about 13 psi. Does the regulator not work when fuel is not flowing? Soon as i start the motor it drops down to about 3 psi, and just stays there. Do I need a new tank that will gravity feed this pump? Or if I can get it to prime up all the way will it suck fuel from that short distance? sorry so long thanks for the help

Try another gauge first. With eng off, pump on, you should be able to hear the pump load up when it starts pumping.

Hey everett I did try another gauge and that was the problem. It was weird because it will build up with the engine off, and it would drop down to 3 psi everytime i had the motor running. Its weird how a it would do the same thing over and over. Ha Ha i had a consitant bad gauge. Thanks for the respond!

Was it a fluid filled gauge? Just curious sense I've ran accross a few FF gauges that would misread - I suspect because they'd get warm.

Na, it was an inline mr.gasket gauge from auto zone. Most of these little gauges i have tried dont seem to be very dependable, but just give me an ideal of the fuel pressure. I have a cheap one on there now and dont even know what kind it is, but it is holding steady on six lbs, and thats were my regulater is set. Was thinking about getting a nos, or holley gauge if this gives me fits. What have you found to work the best?

www.mcmaster.com p/n 3846K2, $10.20 each. Multipurpose gauge, Bourdon-tube, 1.5 inch diameter gauge, 1/8 MPT center back connection.

For this price, you can buy two and keep one as a spare. The best route would be to remote mount a bigger gauge and run a 1/8 inch metal tube. Mount the gauge away from the vibration.

thanks!