Fuel pressure running off at the worst time

[Paul Merolla]

Originally Posted by Bob Gullett

After installing my Magnafuel system I was having a problem with the large port regulator as well. Out of the blue the pressure would spike pegging my guage and of course blowing the needle and seat off the q-jet. I contacted magnafuel and they suggested along with the rear fuel filter to add an inline filter just before the regulator. Since I have done that never an issue again. They claim that the regulators are very sensative and the smallest particle of anything can cause the regulator not to work properly.

Bob - I'm having the same problem and will be adding a filter before the regulator. It happened when I was trying to start the car Thursday night to load up for Cedar Falls...filled # 7 cylinder with fuel, along with the crankcase. What filter did you use? Is it a finer mesh than the one at the rear of the car? Thanks.