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Stand alone fuel system problem.PLEASE HELP !!!

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Old Mar 29, 2007 | 10:53 PM
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trigrip's Avatar
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Default Stand alone fuel system problem.PLEASE HELP !!!

I have an NX direct port set up by nitro Dave. The problem is when I spray it the fuel preasure drops to O for at least a second and a half Here is what I've done so far.

New walbro 255 in line pump
6 AN supply line from tank to pump no obstructions(checked many times)
6 AN line that Y's to solinoids ( no 90's)
solinoids discharge direct to hex distibution bars
purge ports from solinoids tee together to preasure regulator set @ 57 psi

Has anyone had this problem, PLEASE HELP
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Old Mar 30, 2007 | 07:15 AM
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You need to install one more Walbro fuel pump in your tank and you should be able to spray up to 200 shot ok.
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Old Mar 30, 2007 | 11:33 AM
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Wish I could help but I have a low pressure set up and it stays solid. A pump at 57 psi should not drop to 0. Have you checked the pressure with a mechanical gauge with the n20 off and blip the fuel.
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Old Mar 31, 2007 | 09:18 AM
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Thats how I test it. I turn the pump on, jump the solinoids and watch the gauge. It is a stand alone system. Anybody else?
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Old Apr 3, 2007 | 04:47 PM
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I would check your wiring/grounds for your stand alone Fuel pump power.
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