Quote:
Originally Posted by mlomker
He has a controller box that runs off of boost. It controls a special 270lph Walbro that is designed to run progressive. Normally it'd turn on at 5psi or so and then it'll progressively ramp up to a cut-off psi, normally 15 (they are adjustable). They also do a simpler Hobbs kit with two GSS342's in it, which is what you mentioned.
I don't know what I'll try next if it wasn't the primary pump. Try to find a stock FPR to borrow from someone and swap it in, I suppose. After that I have to consider pulling your hanger and having BlaqOPs do their normal setup in a stock hanger. They said they'd help me with that for free and I've already got too much money into this fueling setup. <sigh>
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Gotcha, another thing is that I highly doubt the suction assembly has anything to do with the erratic pressure. The suction assembly works off the return line and I see no way of getting backed up. The gss342 is a normally closed pump. If the second pump is not on, then it would just act as a check valve.
The first thing i would do since you have a progressive controller on there, is to bypass that controller by running straight 12 volts to the both pumps. Seems as though the progressive controller is pulsating the second pump. In all honesty, I would ditch the progressive controller. There is no need to progressively control intank fuel pumps. Progressively controlling pumps will help keep them cool. If you had a big external pump that whines like hell and heats up on the street, then I would install the progressive controller. Hope that helps a bit. LJ
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