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Pumps don't deliver "pressure", they deliver "flow". A restriction in the line after the pump (like the fuel pressure regulator) is what makes "pressure". The pump merely has to be able to pump fuel against that pressure to operate. Increasing the flow w/o touching the FPR will increase line pressure. Twisting the adjustment bolt on the FPR will alter line pressure w/o altering pump flow. So, the two are related, but can be adjusted independently, so you can't really get pump flow from the pressure w/o knowing the restrictions. SOME pumps are internally regulated to a certain outlet pressure, but I don't believe this is true of the Bosch rotary pump. --- "Iturzaeta , Joseph " <JIturzaeta@kbhome.com> wrote: > I have been following the conversation about the > fuel pump. I had a > question of my own. In my hanes manual it says that > the fuel lines are > pressurized at 28 P.S.I. Does the pump itself put > out 28 PSI? and how > much of a flow is that (ex: 50 GPH)? > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > List info at http://www.vwtype3.org/list | > mailto:gregm@vwtype3.org > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > __________________________________ Do you Yahoo!? Yahoo! Mail - Easier than ever with enhanced search. Learn more. http://info.mail.yahoo.com/mail_250