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Boost referenced Fuel pressure regulator idea
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Post Boost referenced Fuel pressure regulator idea 
So I have been thinking about swapping my return less fuel system for a return style with a boost referenced regulator. and I got to thinking the regulator on my fuel pump module looks pretty similar to the ones that are on the fuel rail of the return style that it has a hose nipple. So I got to thinking, why would it not be possible to run a vacuum line to it. I wonder if its sealed, if it is would it be possible to do? I added some pics, in the fuel pump pictures you can see the regulator with a nipple on it, similar to the one on the intake.

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you could but it's not adjustable or rising rate fpr

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The oe regulator on the rail rises under pressure I do believe.

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Every vac referenced FPR should be rising rate, or rise 1 pound of fuel pressure for every pound of boost. It would be like driving your truck N/A down in an underground tunnel.

peace
Hog

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