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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
I had direct port before and my pressure would drop like that- I had a FPSS that would go nuts- I guess it's just alot of fuel line to fill- with just the nozzles(2) it would do fine- there isn;t much you can do about it- just going to run lean for that split second