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*MonteSS454* · 06-20-2009, 06:15 PM

Yes the regulator regulates the pressure down for the CSFI, where it only shoots gas on the particular injector to which cylinder hits on the rotor, like when cylinder 1 hits, that injector squirts.

The regulator isn't in the fuel rail, it's in the spider injectors.

06-20-2009, 06:15 PM	#6
MonteSS454 Account Suspended Join Date: Jun 2007 Location: Claremore, Oklahoma Posts: 821	Re: Help picking Fuel Pump 4 Vortec Conversion Yes the regulator regulates the pressure down for the CSFI, where it only shoots gas on the particular injector to which cylinder hits on the rotor, like when cylinder 1 hits, that injector squirts. The regulator isn't in the fuel rail, it's in the spider injectors. Last edited by MonteSS454; 06-20-2009 at 06:16 PM.