a referenced regulator will alter fuel pressure with a 1:1 ratio. 10psi:10psi. That is, if the reference hose is hooked up to it. Otherwise it will just run at a static pressure.
As mentioned, the purpose of the referenced regulator is to keep effective fuel pressure the same. So 10psi:10psi, 40psi:40psi, etc.
So your answer is yes:
Rail Pressure 62psi & Intake manifold pressure 10psi = effective fuel pressure 52psi.
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