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Discussion Starter · #1 ·
While doing this conversion I have run into some people that use a rising rate fule pressure regulator and some that use a simple ajdustable fpr (no port for intake manifold pressure line). The non-rising rate fpr's are cheaper. Will they work ok for 8-10 psi of boost on my 5m?

Also, I have not seen exactly how they hook up to the fuel rail. Is the regulator on the fuel rail removed or do you just run a line from the aftermarket fpr to the fuel rail regulator?

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