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Originally Posted by mbss_guy  Im trying to find out what the gph is on the stock fuel pump in my 1987 Camaro IROC-Z 305 TPI. Im installing a fuel pressure regulator and im having a few leak issues. I have an installation chart refrencing the gallons per hour flow from my stock pump to what I will require for size in my return line. any help identifying what the flow rate of my fuel pump would be??? |
TPI 5.0L and 5.7L fuel pumps need 37 psi to 43 psi. A 5/16" return line would work fine for your IROC. I used a 5/16" when I did the 1989 IROC 5.7L 350 swap in a 1985 c-10. No problems on rerturn line.
